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rocrand.hpp

1 // Copyright (c) 2017-2024 Advanced Micro Devices, Inc. All rights reserved.

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20 

21 #ifndef ROCRAND_HPP_

22 #define ROCRAND_HPP_

23 

24 // At least C++11 required

25 #if defined(__cplusplus) && __cplusplus >= 201103L

26 

27  #include "rocrand/rocrand.h"

28  #include "rocrand/rocrand_kernel.h"

29 

30  #include <exception>

31  #include <limits>

32  #include <random>

33  #include <sstream>

34  #include <string>

35  #include <type_traits>

36 

37  #include <cassert>

38 

39 namespace rocrand_cpp {

40 

43 

49 class error : public std::exception

50 {

51 public:

53  typedef rocrand_status error_type;

54 

58  explicit error(error_type error) noexcept

59  : m_error(error),

60  m_error_string(to_string(error))

61  {

62  }

63 

65  error_type error_code() const noexcept

66  {

67  return m_error;

68  }

69 

71  std::string error_string() const noexcept

72  {

73  return m_error_string;

74  }

75 

77  const char* what() const noexcept override

78  {

79  return m_error_string.c_str();

80  }

81 

88  static std::string to_string(error_type error)

89  {

90  switch(error)

91  {

92  case ROCRAND_STATUS_SUCCESS:

93  return "Success";

94  case ROCRAND_STATUS_VERSION_MISMATCH:

95  return "Header file and linked library version do not match";

96  case ROCRAND_STATUS_NOT_CREATED:

97  return "Generator was not created using rocrand_create_generator";

98  case ROCRAND_STATUS_ALLOCATION_FAILED:

99  return "Memory allocation failed during execution";

100  case ROCRAND_STATUS_TYPE_ERROR:

101  return "Generator type is wrong";

102  case ROCRAND_STATUS_OUT_OF_RANGE:

103  return "Argument out of range";

104  case ROCRAND_STATUS_LENGTH_NOT_MULTIPLE:

105  return "Length requested is not a multiple of dimension";

106  case ROCRAND_STATUS_DOUBLE_PRECISION_REQUIRED:

107  return "GPU does not have double precision";

108  case ROCRAND_STATUS_LAUNCH_FAILURE:

109  return "Kernel launch failure";

110  case ROCRAND_STATUS_INTERNAL_ERROR:

111  return "Internal library error";

112  default: {

113  std::stringstream s;

114  s << "Unknown rocRAND error (" << error << ")";

115  return s.str();

116  }

117  }

118  }

119 

121  friend

122  bool operator==(const error& l, const error& r)

123  {

124  return l.error_code() == r.error_code();

125  }

126 

128  friend

129  bool operator!=(const error& l, const error& r)

130  {

131  return !(l == r);

132  }

133 

134 private:

135  error_type m_error;

136  std::string m_error_string;

137 };

138 

144 template<class IntType = unsigned int>

145 class uniform_int_distribution

146 {

147  static_assert(std::is_same<unsigned char, IntType>::value

148  || std::is_same<unsigned short, IntType>::value

149  || std::is_same<unsigned long long int, IntType>::value

150  || std::is_same<unsigned int, IntType>::value,

151  "Only unsigned char, unsigned short, unsigned int and unsigned long long int "

152  "types are supported in uniform_int_distribution");

153 

154 public:

156  typedef IntType result_type;

157 

159  uniform_int_distribution()

160  {

161  }

162 

164  static void reset()

165  {

166  }

167 

169  static constexpr IntType min()

170  {

171  return 0;

172  }

173 

175  static constexpr IntType max()

176  {

177  return std::numeric_limits<IntType>::max();

178  }

179 

197  template<class Generator>

198  void operator()(Generator& g, IntType * output, size_t size)

199  {

200  rocrand_status status;

201  status = this->generate(g, output, size);

202  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

203  }

204 

206  bool operator==(const uniform_int_distribution<IntType>& other) const

207  {

208  (void) other;

209  return true;

210  }

211 

213  bool operator!=(const uniform_int_distribution<IntType>& other) const

214  {

215  return !(*this == other);

216  }

217 

218 private:

219  template<class Generator>

220  static rocrand_status generate(Generator& g, unsigned char * output, size_t size)

221  {

222  return rocrand_generate_char(g.m_generator, output, size);

223  }

224 

225  template<class Generator>

226  static rocrand_status generate(Generator& g, unsigned short * output, size_t size)

227  {

228  return rocrand_generate_short(g.m_generator, output, size);

229  }

230 

231  template<class Generator>

232  static rocrand_status generate(Generator& g, unsigned int * output, size_t size)

233  {

234  return rocrand_generate(g.m_generator, output, size);

235  }

236 

237  template<class Generator>

238  static rocrand_status generate(Generator& g, unsigned long long int* output, size_t size)

239  {

240  return rocrand_generate_long_long(g.m_generator, output, size);

241  }

242 };

243 

249 

250 template<class RealType = float>

251 class uniform_real_distribution

252 {

253  static_assert(

254  std::is_same<float, RealType>::value

255  || std::is_same<double, RealType>::value

256  || std::is_same<half, RealType>::value,

257  "Only float, double, and half types are supported in uniform_real_distribution"

258  );

259 

260 public:

262  typedef RealType result_type;

263 

265  uniform_real_distribution()

266  {

267  }

268 

270  static void reset()

271  {

272  }

273 

275  static constexpr RealType min()

276  {

277  return static_cast<RealType>(ROCRAND_2POW32_INV_DOUBLE);

278  }

279 

281  static constexpr RealType max()

282  {

283  return 1.0;

284  }

285 

303  template<class Generator>

304  void operator()(Generator& g, RealType * output, size_t size)

305  {

306  rocrand_status status;

307  status = this->generate(g, output, size);

308  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

309  }

310 

312  bool operator==(const uniform_real_distribution<RealType>& other) const

313  {

314  (void) other;

315  return true;

316  }

317 

319  bool operator!=(const uniform_real_distribution<RealType>& other) const

320  {

321  return !(*this == other);

322  }

323 

324 private:

325  template<class Generator>

326  static rocrand_status generate(Generator& g, float * output, size_t size)

327  {

328  return rocrand_generate_uniform(g.m_generator, output, size);

329  }

330 

331  template<class Generator>

332  static rocrand_status generate(Generator& g, double * output, size_t size)

333  {

334  return rocrand_generate_uniform_double(g.m_generator, output, size);

335  }

336 

337  template<class Generator>

338  static rocrand_status generate(Generator& g, half * output, size_t size)

339  {

340  return rocrand_generate_uniform_half(g.m_generator, output, size);

341  }

342 };

343 

349 template<class RealType = float>

350 class normal_distribution

351 {

352  static_assert(

353  std::is_same<float, RealType>::value

354  || std::is_same<double, RealType>::value

355  || std::is_same<half, RealType>::value,

356  "Only float, double and half types are supported in normal_distribution"

357  );

358 

359 public:

361  typedef RealType result_type;

362 

365  class param_type

366  {

367  public:

369  using distribution_type = normal_distribution<RealType>;

370 

375  param_type(RealType mean = 0.0, RealType stddev = 1.0)

376  : m_mean(mean), m_stddev(stddev)

377  {

378  }

379 

381  param_type(const param_type& params) = default;

382 

384  param_type& operator=(const param_type& params) = default;

385 

389  RealType mean() const

390  {

391  return m_mean;

392  }

393 

397  RealType stddev() const

398  {

399  return m_stddev;

400  }

401 

403  bool operator==(const param_type& other) const

404  {

405  return m_mean == other.m_mean && m_stddev == other.m_stddev;

406  }

407 

409  bool operator!=(const param_type& other) const

410  {

411  return !(*this == other);

412  }

413  private:

414  RealType m_mean;

415  RealType m_stddev;

416  };

417 

421  normal_distribution(RealType mean = 0.0, RealType stddev = 1.0)

422  : m_params(mean, stddev)

423  {

424  }

425 

428  explicit normal_distribution(const param_type& params)

429  : m_params(params)

430  {

431  }

432 

434  static void reset()

435  {

436  }

437 

441  RealType mean() const

442  {

443  return m_params.mean();

444  }

445 

449  RealType stddev() const

450  {

451  return m_params.stddev();

452  }

453 

455  static constexpr RealType min()

456  {

457  return std::numeric_limits<RealType>::lowest();

458  }

459 

461  static constexpr RealType max()

462  {

463  return std::numeric_limits<RealType>::max();

464  }

465 

467  param_type param() const

468  {

469  return m_params;

470  }

471 

473  void param(const param_type& params)

474  {

475  m_params = params;

476  }

477 

496  template<class Generator>

497  void operator()(Generator& g, RealType * output, size_t size)

498  {

499  rocrand_status status;

500  status = this->generate(g, output, size);

501  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

502  }

503 

507  bool operator==(const normal_distribution<RealType>& other) const

508  {

509  return this->m_params == other.m_params;

510  }

511 

515  bool operator!=(const normal_distribution<RealType>& other) const

516  {

517  return !(*this == other);

518  }

519 

520 private:

521  template<class Generator>

522  rocrand_status generate(Generator& g, float * output, size_t size)

523  {

524  return rocrand_generate_normal(

525  g.m_generator, output, size, this->mean(), this->stddev()

526  );

527  }

528 

529  template<class Generator>

530  rocrand_status generate(Generator& g, double * output, size_t size)

531  {

532  return rocrand_generate_normal_double(

533  g.m_generator, output, size, this->mean(), this->stddev()

534  );

535  }

536 

537  template<class Generator>

538  rocrand_status generate(Generator& g, half * output, size_t size)

539  {

540  return rocrand_generate_normal_half(

541  g.m_generator, output, size, this->mean(), this->stddev()

542  );

543  }

544 

545  param_type m_params;

546 };

547 

553 template<class RealType = float>

554 class lognormal_distribution

555 {

556  static_assert(

557  std::is_same<float, RealType>::value

558  || std::is_same<double, RealType>::value

559  || std::is_same<half, RealType>::value,

560  "Only float, double and half types are supported in lognormal_distribution"

561  );

562 

563 public:

565  typedef RealType result_type;

566 

569  class param_type

570  {

571  public:

573  using distribution_type = lognormal_distribution<RealType>;

574 

579  param_type(RealType m = 0.0, RealType s = 1.0)

580  : m_mean(m), m_stddev(s)

581  {

582  }

583 

585  param_type(const param_type& params) = default;

586 

588  param_type& operator=(const param_type& params) = default;

589 

593  RealType m() const

594  {

595  return m_mean;

596  }

597 

601  RealType s() const

602  {

603  return m_stddev;

604  }

605 

607  bool operator==(const param_type& other) const

608  {

609  return m_mean == other.m_mean && m_stddev == other.m_stddev;

610  }

611 

613  bool operator!=(const param_type& other) const

614  {

615  return !(*this == other);

616  }

617  private:

618  RealType m_mean;

619  RealType m_stddev;

620  };

621 

625  lognormal_distribution(RealType m = 0.0, RealType s = 1.0)

626  : m_params(m, s)

627  {

628  }

629 

632  explicit lognormal_distribution(const param_type& params)

633  : m_params(params)

634  {

635  }

636 

638  static void reset()

639  {

640  }

641 

645  RealType m() const

646  {

647  return m_params.m();

648  }

649 

653  RealType s() const

654  {

655  return m_params.s();

656  }

657 

659  param_type param() const

660  {

661  return m_params;

662  }

663 

665  void param(const param_type& params)

666  {

667  m_params = params;

668  }

669 

671  static constexpr RealType min()

672  {

673  return 0;

674  }

675 

677  static RealType max()

678  {

679  return std::numeric_limits<RealType>::max();

680  }

681 

701  template<class Generator>

702  void operator()(Generator& g, RealType * output, size_t size)

703  {

704  rocrand_status status;

705  status = this->generate(g, output, size);

706  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

707  }

708 

712  bool operator==(const lognormal_distribution<RealType>& other) const

713  {

714  return this->m_params == other.m_params;

715  }

716 

720  bool operator!=(const lognormal_distribution<RealType>& other) const

721  {

722  return !(*this == other);

723  }

724 

725 private:

726  template<class Generator>

727  rocrand_status generate(Generator& g, float * output, size_t size)

728  {

729  return rocrand_generate_log_normal(

730  g.m_generator, output, size, this->m(), this->s()

731  );

732  }

733 

734  template<class Generator>

735  rocrand_status generate(Generator& g, double * output, size_t size)

736  {

737  return rocrand_generate_log_normal_double(

738  g.m_generator, output, size, this->m(), this->s()

739  );

740  }

741 

742  template<class Generator>

743  rocrand_status generate(Generator& g, half * output, size_t size)

744  {

745  return rocrand_generate_log_normal_half(

746  g.m_generator, output, size, this->m(), this->s()

747  );

748  }

749 

750  param_type m_params;

751 };

752 

758 template<class IntType = unsigned int>

759 class poisson_distribution

760 {

761  static_assert(

762  std::is_same<unsigned int, IntType>::value,

763  "Only unsigned int type is supported in poisson_distribution"

764  );

765 

766 public:

768  typedef IntType result_type;

769 

772  class param_type

773  {

774  public:

776  using distribution_type = poisson_distribution<IntType>;

777 

781  param_type(double mean = 1.0)

782  : m_mean(mean)

783  {

784  }

785 

787  param_type(const param_type& params) = default;

788 

790  param_type& operator=(const param_type& params) = default;

791 

796  double mean() const

797  {

798  return m_mean;

799  }

800 

802  bool operator==(const param_type& other) const

803  {

804  return m_mean == other.m_mean;

805  }

806 

808  bool operator!=(const param_type& other) const

809  {

810  return !(*this == other);

811  }

812 

813  private:

814  double m_mean;

815  };

816 

819  poisson_distribution(double mean = 1.0)

820  : m_params(mean)

821  {

822  }

823 

826  explicit poisson_distribution(const param_type& params)

827  : m_params(params)

828  {

829  }

830 

832  static void reset()

833  {

834  }

835 

840  double mean() const

841  {

842  return m_params.mean();

843  }

844 

846  static constexpr IntType min()

847  {

848  return 0;

849  }

850 

852  static constexpr IntType max()

853  {

854  return std::numeric_limits<IntType>::max();

855  }

856 

858  param_type param()

859  {

860  return m_params;

861  }

862 

864  void param(const param_type& params)

865  {

866  m_params = params;

867  }

868 

887  template<class Generator>

888  void operator()(Generator& g, IntType * output, size_t size)

889  {

890  rocrand_status status;

891  status = rocrand_generate_poisson(g.m_generator, output, size, this->mean());

892  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

893  }

894 

898  bool operator==(const poisson_distribution<IntType>& other) const

899  {

900  return this->m_params == other.m_params;

901  }

902 

906  bool operator!=(const poisson_distribution<IntType>& other) const

907  {

908  return !(*this == other);

909  }

910 

911 private:

912  param_type m_params;

913 };

914 

919 template<unsigned long long DefaultSeed = ROCRAND_PHILOX4x32_DEFAULT_SEED>

920 class philox4x32_10_engine

921 {

922 public:

925  typedef unsigned int result_type;

926  // \typedef order_type

931  typedef rocrand_ordering order_type;

938  typedef unsigned long long offset_type;

943  typedef unsigned long long seed_type;

945  static constexpr seed_type default_seed = DefaultSeed;

946 

954  philox4x32_10_engine(seed_type seed_value = DefaultSeed,

955  offset_type offset_value = 0,

956  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

957  {

958  rocrand_status status;

959  status = rocrand_create_generator(&m_generator, this->type());

960  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

961  try

962  {

963  if(offset_value > 0)

964  {

965  this->offset(offset_value);

966  }

967  this->order(order_value);

968  this->seed(seed_value);

969  }

970  catch(...)

971  {

972  (void)rocrand_destroy_generator(m_generator);

973  throw;

974  }

975  }

976 

985  explicit philox4x32_10_engine(rocrand_generator& generator)

986  : m_generator(generator)

987  {

988  if(generator == NULL)

989  {

990  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

991  }

992  generator = NULL;

993  }

994 

995  philox4x32_10_engine(const philox4x32_10_engine&) = delete;

996 

997  philox4x32_10_engine& operator=(const philox4x32_10_engine&) = delete;

998 

1005  philox4x32_10_engine(philox4x32_10_engine&& rhs) noexcept : m_generator(rhs.m_generator)

1006  {

1007  rhs.m_generator = nullptr;

1008  }

1009 

1016  philox4x32_10_engine& operator=(philox4x32_10_engine&& rhs) noexcept

1017  {

1018  rocrand_status status = rocrand_destroy_generator(m_generator);

1019  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

1020  (void)status;

1021 

1022  m_generator = rhs.m_generator;

1023  rhs.m_generator = nullptr;

1024  return *this;

1025  }

1026 

1030  ~philox4x32_10_engine() noexcept(false)

1031  {

1032  rocrand_status status = rocrand_destroy_generator(m_generator);

1033  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

1034  throw rocrand_cpp::error(status);

1035  }

1036 

1039  void stream(hipStream_t value)

1040  {

1041  rocrand_status status = rocrand_set_stream(m_generator, value);

1042  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1043  }

1044 

1056  void order(order_type value)

1057  {

1058  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

1059  if(status != ROCRAND_STATUS_SUCCESS)

1060  throw rocrand_cpp::error(status);

1061  }

1062 

1074  void offset(offset_type value)

1075  {

1076  rocrand_status status = rocrand_set_offset(this->m_generator, value);

1077  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1078  }

1079 

1090  void seed(seed_type value)

1091  {

1092  rocrand_status status = rocrand_set_seed(this->m_generator, value);

1093  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1094  }

1095 

1109  template<class Generator>

1110  void operator()(result_type * output, size_t size)

1111  {

1112  rocrand_status status;

1113  status = rocrand_generate(m_generator, output, size);

1114  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1115  }

1116 

1118  static constexpr result_type min()

1119  {

1120  return 0;

1121  }

1122 

1124  static constexpr result_type max()

1125  {

1126  return std::numeric_limits<unsigned int>::max();

1127  }

1128 

1130  static constexpr rocrand_rng_type type()

1131  {

1132  return ROCRAND_RNG_PSEUDO_PHILOX4_32_10;

1133  }

1134 

1135 private:

1136  rocrand_generator m_generator;

1137 

1139  template<class T>

1140  friend class ::rocrand_cpp::uniform_int_distribution;

1141 

1142  template<class T>

1143  friend class ::rocrand_cpp::uniform_real_distribution;

1144 

1145  template<class T>

1146  friend class ::rocrand_cpp::normal_distribution;

1147 

1148  template<class T>

1149  friend class ::rocrand_cpp::lognormal_distribution;

1150 

1151  template<class T>

1152  friend class ::rocrand_cpp::poisson_distribution;

1154 };

1155 

1157 template<unsigned long long DefaultSeed>

1158 constexpr typename philox4x32_10_engine<DefaultSeed>::seed_type philox4x32_10_engine<DefaultSeed>::default_seed;

1160 

1166 template<unsigned long long DefaultSeed = ROCRAND_XORWOW_DEFAULT_SEED>

1167 class xorwow_engine

1168 {

1169 public:

1171  typedef unsigned int result_type;

1173  typedef rocrand_ordering order_type;

1175  typedef unsigned long long offset_type;

1177  typedef unsigned long long seed_type;

1179  static constexpr seed_type default_seed = DefaultSeed;

1180 

1182  xorwow_engine(seed_type seed_value = DefaultSeed,

1183  offset_type offset_value = 0,

1184  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

1185  {

1186  rocrand_status status;

1187  status = rocrand_create_generator(&m_generator, this->type());

1188  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1189  try

1190  {

1191  this->order(order_value);

1192  if(offset_value > 0)

1193  {

1194  this->offset(offset_value);

1195  }

1196  this->seed(seed_value);

1197  }

1198  catch(...)

1199  {

1200  (void)rocrand_destroy_generator(m_generator);

1201  throw;

1202  }

1203  }

1204 

1206  explicit xorwow_engine(rocrand_generator& generator)

1207  : m_generator(generator)

1208  {

1209  if(generator == NULL)

1210  {

1211  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

1212  }

1213  generator = NULL;

1214  }

1215 

1216  xorwow_engine(const xorwow_engine&) = delete;

1217 

1218  xorwow_engine& operator=(const xorwow_engine&) = delete;

1219 

1221  xorwow_engine(xorwow_engine&& rhs) noexcept : m_generator(rhs.m_generator)

1222  {

1223  rhs.m_generator = nullptr;

1224  }

1225 

1227  xorwow_engine& operator=(xorwow_engine&& rhs) noexcept

1228  {

1229  rocrand_status status = rocrand_destroy_generator(m_generator);

1230  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

1231  (void)status;

1232 

1233  m_generator = rhs.m_generator;

1234  rhs.m_generator = nullptr;

1235  return *this;

1236  }

1237 

1239  ~xorwow_engine() noexcept(false)

1240  {

1241  rocrand_status status = rocrand_destroy_generator(m_generator);

1242  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

1243  throw rocrand_cpp::error(status);

1244  }

1245 

1247  void stream(hipStream_t value)

1248  {

1249  rocrand_status status = rocrand_set_stream(m_generator, value);

1250  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1251  }

1252 

1254  void order(order_type value)

1255  {

1256  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

1257  if(status != ROCRAND_STATUS_SUCCESS)

1258  throw rocrand_cpp::error(status);

1259  }

1260 

1262  void offset(offset_type value)

1263  {

1264  rocrand_status status = rocrand_set_offset(this->m_generator, value);

1265  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1266  }

1267 

1269  void seed(seed_type value)

1270  {

1271  rocrand_status status = rocrand_set_seed(this->m_generator, value);

1272  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1273  }

1274 

1276  template<class Generator>

1277  void operator()(result_type * output, size_t size)

1278  {

1279  rocrand_status status;

1280  status = rocrand_generate(m_generator, output, size);

1281  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1282  }

1283 

1285  static constexpr result_type min()

1286  {

1287  return 0;

1288  }

1289 

1291  static constexpr result_type max()

1292  {

1293  return std::numeric_limits<unsigned int>::max();

1294  }

1295 

1297  static constexpr rocrand_rng_type type()

1298  {

1299  return ROCRAND_RNG_PSEUDO_XORWOW;

1300  }

1301 

1302 private:

1303  rocrand_generator m_generator;

1304 

1306  template<class T>

1307  friend class ::rocrand_cpp::uniform_int_distribution;

1308 

1309  template<class T>

1310  friend class ::rocrand_cpp::uniform_real_distribution;

1311 

1312  template<class T>

1313  friend class ::rocrand_cpp::normal_distribution;

1314 

1315  template<class T>

1316  friend class ::rocrand_cpp::lognormal_distribution;

1317 

1318  template<class T>

1319  friend class ::rocrand_cpp::poisson_distribution;

1321 };

1322 

1324 template<unsigned long long DefaultSeed>

1325 constexpr typename xorwow_engine<DefaultSeed>::seed_type xorwow_engine<DefaultSeed>::default_seed;

1327 

1333 template<unsigned long long DefaultSeed = ROCRAND_MRG31K3P_DEFAULT_SEED>

1334 class mrg31k3p_engine

1335 {

1336 public:

1338  typedef unsigned int result_type;

1340  typedef rocrand_ordering order_type;

1342  typedef unsigned long long offset_type;

1344  typedef unsigned long long seed_type;

1346  static constexpr seed_type default_seed = DefaultSeed;

1347 

1349  mrg31k3p_engine(seed_type seed_value = DefaultSeed,

1350  offset_type offset_value = 0,

1351  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

1352  {

1353  rocrand_status status;

1354  status = rocrand_create_generator(&m_generator, this->type());

1355  if(status != ROCRAND_STATUS_SUCCESS)

1356  throw rocrand_cpp::error(status);

1357  try

1358  {

1359  this->order(order_value);

1360  if(offset_value > 0)

1361  {

1362  this->offset(offset_value);

1363  }

1364  this->seed(seed_value);

1365  }

1366  catch(...)

1367  {

1368  (void)rocrand_destroy_generator(m_generator);

1369  throw;

1370  }

1371  }

1372 

1374  explicit mrg31k3p_engine(rocrand_generator& generator) : m_generator(generator)

1375  {

1376  if(generator == NULL)

1377  {

1378  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

1379  }

1380  generator = NULL;

1381  }

1382 

1383  mrg31k3p_engine(const mrg31k3p_engine&) = delete;

1384 

1385  mrg31k3p_engine& operator=(const mrg31k3p_engine&) = delete;

1386 

1388  mrg31k3p_engine(mrg31k3p_engine&& rhs) noexcept : m_generator(rhs.m_generator)

1389  {

1390  rhs.m_generator = nullptr;

1391  }

1392 

1394  mrg31k3p_engine& operator=(mrg31k3p_engine&& rhs) noexcept

1395  {

1396  rocrand_status status = rocrand_destroy_generator(m_generator);

1397  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

1398  (void)status;

1399 

1400  m_generator = rhs.m_generator;

1401  rhs.m_generator = nullptr;

1402  return *this;

1403  }

1404 

1406  ~mrg31k3p_engine() noexcept(false)

1407  {

1408  rocrand_status status = rocrand_destroy_generator(m_generator);

1409  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

1410  throw rocrand_cpp::error(status);

1411  }

1412 

1414  void stream(hipStream_t value)

1415  {

1416  rocrand_status status = rocrand_set_stream(m_generator, value);

1417  if(status != ROCRAND_STATUS_SUCCESS)

1418  throw rocrand_cpp::error(status);

1419  }

1420 

1422  void order(order_type value)

1423  {

1424  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

1425  if(status != ROCRAND_STATUS_SUCCESS)

1426  throw rocrand_cpp::error(status);

1427  }

1428 

1430  void offset(offset_type value)

1431  {

1432  rocrand_status status = rocrand_set_offset(this->m_generator, value);

1433  if(status != ROCRAND_STATUS_SUCCESS)

1434  throw rocrand_cpp::error(status);

1435  }

1436 

1438  void seed(seed_type value)

1439  {

1440  rocrand_status status = rocrand_set_seed(this->m_generator, value);

1441  if(status != ROCRAND_STATUS_SUCCESS)

1442  throw rocrand_cpp::error(status);

1443  }

1444 

1446  template<class Generator>

1447  void operator()(result_type* output, size_t size)

1448  {

1449  rocrand_status status;

1450  status = rocrand_generate(m_generator, output, size);

1451  if(status != ROCRAND_STATUS_SUCCESS)

1452  throw rocrand_cpp::error(status);

1453  }

1454 

1456  static constexpr result_type min()

1457  {

1458  return 1;

1459  }

1460 

1462  static constexpr result_type max()

1463  {

1464  return std::numeric_limits<unsigned int>::max();

1465  }

1466 

1468  static constexpr rocrand_rng_type type()

1469  {

1470  return ROCRAND_RNG_PSEUDO_MRG31K3P;

1471  }

1472 

1473 private:

1474  rocrand_generator m_generator;

1475 

1477  template<class T>

1478  friend class ::rocrand_cpp::uniform_int_distribution;

1479 

1480  template<class T>

1481  friend class ::rocrand_cpp::uniform_real_distribution;

1482 

1483  template<class T>

1484  friend class ::rocrand_cpp::normal_distribution;

1485 

1486  template<class T>

1487  friend class ::rocrand_cpp::lognormal_distribution;

1488 

1489  template<class T>

1490  friend class ::rocrand_cpp::poisson_distribution;

1492 };

1493 

1495 template<unsigned long long DefaultSeed>

1496 constexpr

1497  typename mrg31k3p_engine<DefaultSeed>::seed_type mrg31k3p_engine<DefaultSeed>::default_seed;

1499 

1505 template<unsigned long long DefaultSeed = ROCRAND_MRG32K3A_DEFAULT_SEED>

1506 class mrg32k3a_engine

1507 {

1508 public:

1510  typedef unsigned int result_type;

1512  typedef rocrand_ordering order_type;

1514  typedef unsigned long long offset_type;

1516  typedef unsigned long long seed_type;

1518  static constexpr seed_type default_seed = DefaultSeed;

1519 

1521  mrg32k3a_engine(seed_type seed_value = DefaultSeed,

1522  offset_type offset_value = 0,

1523  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

1524  {

1525  rocrand_status status;

1526  status = rocrand_create_generator(&m_generator, this->type());

1527  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1528  try

1529  {

1530  this->order(order_value);

1531  if(offset_value > 0)

1532  {

1533  this->offset(offset_value);

1534  }

1535  this->seed(seed_value);

1536  }

1537  catch(...)

1538  {

1539  (void)rocrand_destroy_generator(m_generator);

1540  throw;

1541  }

1542  }

1543 

1545  explicit mrg32k3a_engine(rocrand_generator& generator)

1546  : m_generator(generator)

1547  {

1548  if(generator == NULL)

1549  {

1550  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

1551  }

1552  generator = NULL;

1553  }

1554 

1555  mrg32k3a_engine(const mrg32k3a_engine&) = delete;

1556 

1557  mrg32k3a_engine& operator=(const mrg32k3a_engine&) = delete;

1558 

1560  mrg32k3a_engine(mrg32k3a_engine&& rhs) noexcept : m_generator(rhs.m_generator)

1561  {

1562  rhs.m_generator = nullptr;

1563  }

1564 

1566  mrg32k3a_engine& operator=(mrg32k3a_engine&& rhs) noexcept

1567  {

1568  rocrand_status status = rocrand_destroy_generator(m_generator);

1569  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

1570  (void)status;

1571 

1572  m_generator = rhs.m_generator;

1573  rhs.m_generator = nullptr;

1574  return *this;

1575  }

1576 

1578  ~mrg32k3a_engine() noexcept(false)

1579  {

1580  rocrand_status status = rocrand_destroy_generator(m_generator);

1581  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

1582  throw rocrand_cpp::error(status);

1583  }

1584 

1586  void stream(hipStream_t value)

1587  {

1588  rocrand_status status = rocrand_set_stream(m_generator, value);

1589  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1590  }

1591 

1593  void order(order_type value)

1594  {

1595  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

1596  if(status != ROCRAND_STATUS_SUCCESS)

1597  throw rocrand_cpp::error(status);

1598  }

1599 

1601  void offset(offset_type value)

1602  {

1603  rocrand_status status = rocrand_set_offset(this->m_generator, value);

1604  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1605  }

1606 

1608  void seed(seed_type value)

1609  {

1610  rocrand_status status = rocrand_set_seed(this->m_generator, value);

1611  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1612  }

1613 

1615  template<class Generator>

1616  void operator()(result_type * output, size_t size)

1617  {

1618  rocrand_status status;

1619  status = rocrand_generate(m_generator, output, size);

1620  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1621  }

1622 

1624  static constexpr result_type min()

1625  {

1626  return 1;

1627  }

1628 

1630  static constexpr result_type max()

1631  {

1632  return std::numeric_limits<unsigned int>::max();

1633  }

1634 

1636  static constexpr rocrand_rng_type type()

1637  {

1638  return ROCRAND_RNG_PSEUDO_MRG32K3A;

1639  }

1640 

1641 private:

1642  rocrand_generator m_generator;

1643 

1645  template<class T>

1646  friend class ::rocrand_cpp::uniform_int_distribution;

1647 

1648  template<class T>

1649  friend class ::rocrand_cpp::uniform_real_distribution;

1650 

1651  template<class T>

1652  friend class ::rocrand_cpp::normal_distribution;

1653 

1654  template<class T>

1655  friend class ::rocrand_cpp::lognormal_distribution;

1656 

1657  template<class T>

1658  friend class ::rocrand_cpp::poisson_distribution;

1660 };

1661 

1663 template<unsigned long long DefaultSeed>

1664 constexpr typename mrg32k3a_engine<DefaultSeed>::seed_type mrg32k3a_engine<DefaultSeed>::default_seed;

1666 

1673 template<unsigned long long DefaultSeed = 0>

1674 class mtgp32_engine

1675 {

1676 public:

1678  typedef unsigned int result_type;

1680  typedef rocrand_ordering order_type;

1682  typedef unsigned long long offset_type;

1684  typedef unsigned long long seed_type;

1686  static constexpr seed_type default_seed = DefaultSeed;

1687 

1696  mtgp32_engine(seed_type seed_value = DefaultSeed,

1697  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

1698  {

1699  rocrand_status status;

1700  status = rocrand_create_generator(&m_generator, this->type());

1701  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1702  try

1703  {

1704  this->order(order_value);

1705  this->seed(seed_value);

1706  }

1707  catch(...)

1708  {

1709  (void)rocrand_destroy_generator(m_generator);

1710  throw;

1711  }

1712  }

1713 

1715  explicit mtgp32_engine(rocrand_generator& generator)

1716  : m_generator(generator)

1717  {

1718  if(generator == NULL)

1719  {

1720  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

1721  }

1722  generator = NULL;

1723  }

1724 

1725  mtgp32_engine(const mtgp32_engine&) = delete;

1726 

1727  mtgp32_engine& operator=(const mtgp32_engine&) = delete;

1728 

1730  mtgp32_engine(mtgp32_engine&& rhs) noexcept : m_generator(rhs.m_generator)

1731  {

1732  rhs.m_generator = nullptr;

1733  }

1734 

1736  mtgp32_engine& operator=(mtgp32_engine&& rhs) noexcept

1737  {

1738  rocrand_status status = rocrand_destroy_generator(m_generator);

1739  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

1740  (void)status;

1741 

1742  m_generator = rhs.m_generator;

1743  rhs.m_generator = nullptr;

1744  return *this;

1745  }

1746 

1748  ~mtgp32_engine() noexcept(false)

1749  {

1750  rocrand_status status = rocrand_destroy_generator(m_generator);

1751  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

1752  throw rocrand_cpp::error(status);

1753  }

1754 

1756  void stream(hipStream_t value)

1757  {

1758  rocrand_status status = rocrand_set_stream(m_generator, value);

1759  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1760  }

1761 

1763  void order(order_type value)

1764  {

1765  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

1766  if(status != ROCRAND_STATUS_SUCCESS)

1767  throw rocrand_cpp::error(status);

1768  }

1769 

1771  void seed(seed_type value)

1772  {

1773  rocrand_status status = rocrand_set_seed(this->m_generator, value);

1774  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1775  }

1776 

1778  template<class Generator>

1779  void operator()(result_type * output, size_t size)

1780  {

1781  rocrand_status status;

1782  status = rocrand_generate(m_generator, output, size);

1783  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

1784  }

1785 

1787  static constexpr result_type min()

1788  {

1789  return 0;

1790  }

1791 

1793  static constexpr result_type max()

1794  {

1795  return std::numeric_limits<unsigned int>::max();

1796  }

1797 

1799  static constexpr rocrand_rng_type type()

1800  {

1801  return ROCRAND_RNG_PSEUDO_MTGP32;

1802  }

1803 

1804 private:

1805  rocrand_generator m_generator;

1806 

1808  template<class T>

1809  friend class ::rocrand_cpp::uniform_int_distribution;

1810 

1811  template<class T>

1812  friend class ::rocrand_cpp::uniform_real_distribution;

1813 

1814  template<class T>

1815  friend class ::rocrand_cpp::normal_distribution;

1816 

1817  template<class T>

1818  friend class ::rocrand_cpp::lognormal_distribution;

1819 

1820  template<class T>

1821  friend class ::rocrand_cpp::poisson_distribution;

1823 };

1824 

1826 template<unsigned long long DefaultSeed>

1827 constexpr typename mtgp32_engine<DefaultSeed>::seed_type mtgp32_engine<DefaultSeed>::default_seed;

1829 

1835 template<unsigned int DefaultSeedX = ROCRAND_LFSR113_DEFAULT_SEED_X,

1836  unsigned int DefaultSeedY = ROCRAND_LFSR113_DEFAULT_SEED_Y,

1837  unsigned int DefaultSeedZ = ROCRAND_LFSR113_DEFAULT_SEED_Z,

1838  unsigned int DefaultSeedW = ROCRAND_LFSR113_DEFAULT_SEED_W>

1839 class lfsr113_engine

1840 {

1841 public:

1843  typedef unsigned int result_type;

1845  typedef rocrand_ordering order_type;

1847  typedef uint4 seed_type;

1849  static constexpr seed_type default_seed

1850  = {DefaultSeedX, DefaultSeedY, DefaultSeedZ, DefaultSeedW};

1851 

1860  lfsr113_engine(seed_type seed_value = {DefaultSeedX, DefaultSeedY, DefaultSeedZ, DefaultSeedW},

1861  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

1862  {

1863  rocrand_status status;

1864  status = rocrand_create_generator(&m_generator, this->type());

1865  if(status != ROCRAND_STATUS_SUCCESS)

1866  throw rocrand_cpp::error(status);

1867  try

1868  {

1869  this->order(order_value);

1870  this->seed(seed_value);

1871  }

1872  catch(...)

1873  {

1874  (void)rocrand_destroy_generator(m_generator);

1875  throw;

1876  }

1877  }

1878 

1880  lfsr113_engine(unsigned long long seed_value,

1881  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

1882  {

1883  rocrand_status status;

1884  status = rocrand_create_generator(&m_generator, this->type());

1885  if(status != ROCRAND_STATUS_SUCCESS)

1886  throw rocrand_cpp::error(status);

1887  try

1888  {

1889  this->order(order_value);

1890  this->seed(seed_value);

1891  }

1892  catch(...)

1893  {

1894  (void)rocrand_destroy_generator(m_generator);

1895  throw;

1896  }

1897  }

1898 

1900  explicit lfsr113_engine(rocrand_generator& generator) : m_generator(generator)

1901  {

1902  if(generator == NULL)

1903  {

1904  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

1905  }

1906  generator = NULL;

1907  }

1908 

1909  lfsr113_engine(const lfsr113_engine&) = delete;

1910 

1911  lfsr113_engine& operator=(const lfsr113_engine&) = delete;

1912 

1914  lfsr113_engine(lfsr113_engine&& rhs) noexcept : m_generator(rhs.m_generator)

1915  {

1916  rhs.m_generator = nullptr;

1917  }

1918 

1920  lfsr113_engine& operator=(lfsr113_engine&& rhs) noexcept

1921  {

1922  rocrand_status status = rocrand_destroy_generator(m_generator);

1923  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

1924  (void)status;

1925 

1926  m_generator = rhs.m_generator;

1927  rhs.m_generator = nullptr;

1928  return *this;

1929  }

1930 

1932  ~lfsr113_engine() noexcept(false)

1933  {

1934  rocrand_status status = rocrand_destroy_generator(m_generator);

1935  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

1936  throw rocrand_cpp::error(status);

1937  }

1938 

1940  void stream(hipStream_t value)

1941  {

1942  rocrand_status status = rocrand_set_stream(m_generator, value);

1943  if(status != ROCRAND_STATUS_SUCCESS)

1944  throw rocrand_cpp::error(status);

1945  }

1946 

1948  void order(order_type value)

1949  {

1950  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

1951  if(status != ROCRAND_STATUS_SUCCESS)

1952  throw rocrand_cpp::error(status);

1953  }

1954 

1956  void seed(unsigned long long value)

1957  {

1958  rocrand_status status = rocrand_set_seed(this->m_generator, value);

1959  if(status != ROCRAND_STATUS_SUCCESS)

1960  throw rocrand_cpp::error(status);

1961  }

1962 

1964  void seed(seed_type value)

1965  {

1966  rocrand_status status = rocrand_set_seed_uint4(this->m_generator, value);

1967  if(status != ROCRAND_STATUS_SUCCESS)

1968  throw rocrand_cpp::error(status);

1969  }

1970 

1972  template<class Generator>

1973  void operator()(result_type* output, size_t size)

1974  {

1975  rocrand_status status;

1976  status = rocrand_generate(m_generator, output, size);

1977  if(status != ROCRAND_STATUS_SUCCESS)

1978  throw rocrand_cpp::error(status);

1979  }

1980 

1982  static constexpr result_type min()

1983  {

1984  return 0;

1985  }

1986 

1988  static constexpr result_type max()

1989  {

1990  return std::numeric_limits<unsigned int>::max();

1991  }

1992 

1994  static constexpr rocrand_rng_type type()

1995  {

1996  return ROCRAND_RNG_PSEUDO_LFSR113;

1997  }

1998 

1999 private:

2000  rocrand_generator m_generator;

2001 

2003  template<class T>

2004  friend class ::rocrand_cpp::uniform_int_distribution;

2005 

2006  template<class T>

2007  friend class ::rocrand_cpp::uniform_real_distribution;

2008 

2009  template<class T>

2010  friend class ::rocrand_cpp::normal_distribution;

2011 

2012  template<class T>

2013  friend class ::rocrand_cpp::lognormal_distribution;

2014 

2015  template<class T>

2016  friend class ::rocrand_cpp::poisson_distribution;

2018 };

2019 

2021 template<unsigned int DefaultSeedX,

2022  unsigned int DefaultSeedY,

2023  unsigned int DefaultSeedZ,

2024  unsigned int DefaultSeedW>

2025 constexpr typename lfsr113_engine<DefaultSeedX, DefaultSeedY, DefaultSeedZ, DefaultSeedW>::seed_type

2026  lfsr113_engine<DefaultSeedX, DefaultSeedY, DefaultSeedZ, DefaultSeedW>::default_seed;

2028 

2035 template<unsigned long long DefaultSeed = 0ULL>

2036 class mt19937_engine

2037 {

2038 public:

2040  typedef unsigned int result_type;

2042  typedef rocrand_ordering order_type;

2044  typedef unsigned long long seed_type;

2046  static constexpr seed_type default_seed = DefaultSeed;

2047 

2056  mt19937_engine(seed_type seed_value = DefaultSeed,

2057  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

2058  {

2059  rocrand_status status;

2060  status = rocrand_create_generator(&m_generator, this->type());

2061  if(status != ROCRAND_STATUS_SUCCESS)

2062  throw rocrand_cpp::error(status);

2063  try

2064  {

2065  this->order(order_value);

2066  this->seed(seed_value);

2067  }

2068  catch(...)

2069  {

2070  (void)rocrand_destroy_generator(m_generator);

2071  throw;

2072  }

2073  }

2074 

2076  explicit mt19937_engine(rocrand_generator& generator) : m_generator(generator)

2077  {

2078  if(generator == NULL)

2079  {

2080  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

2081  }

2082  generator = NULL;

2083  }

2084 

2085  mt19937_engine(const mt19937_engine&) = delete;

2086 

2087  mt19937_engine& operator=(const mt19937_engine&) = delete;

2088 

2090  mt19937_engine(mt19937_engine&& rhs) noexcept : m_generator(rhs.m_generator)

2091  {

2092  rhs.m_generator = nullptr;

2093  }

2094 

2096  mt19937_engine& operator=(mt19937_engine&& rhs) noexcept

2097  {

2098  rocrand_status status = rocrand_destroy_generator(m_generator);

2099  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

2100  (void)status;

2101 

2102  m_generator = rhs.m_generator;

2103  rhs.m_generator = nullptr;

2104  return *this;

2105  }

2106 

2108  ~mt19937_engine() noexcept(false)

2109  {

2110  rocrand_status status = rocrand_destroy_generator(m_generator);

2111  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

2112  throw rocrand_cpp::error(status);

2113  }

2114 

2116  void stream(hipStream_t value)

2117  {

2118  rocrand_status status = rocrand_set_stream(m_generator, value);

2119  if(status != ROCRAND_STATUS_SUCCESS)

2120  throw rocrand_cpp::error(status);

2121  }

2122 

2124  void order(order_type value)

2125  {

2126  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

2127  if(status != ROCRAND_STATUS_SUCCESS)

2128  throw rocrand_cpp::error(status);

2129  }

2130 

2132  void seed(seed_type value)

2133  {

2134  rocrand_status status = rocrand_set_seed(this->m_generator, value);

2135  if(status != ROCRAND_STATUS_SUCCESS)

2136  throw rocrand_cpp::error(status);

2137  }

2138 

2140  template<class Generator>

2141  void operator()(result_type* output, size_t size)

2142  {

2143  rocrand_status status;

2144  status = rocrand_generate(m_generator, output, size);

2145  if(status != ROCRAND_STATUS_SUCCESS)

2146  throw rocrand_cpp::error(status);

2147  }

2148 

2150  static constexpr result_type min()

2151  {

2152  return 0;

2153  }

2154 

2156  static constexpr result_type max()

2157  {

2158  return std::numeric_limits<unsigned int>::max();

2159  }

2160 

2162  static constexpr rocrand_rng_type type()

2163  {

2164  return ROCRAND_RNG_PSEUDO_MT19937;

2165  }

2166 

2167 private:

2168  rocrand_generator m_generator;

2169 

2171  template<class T>

2172  friend class ::rocrand_cpp::uniform_int_distribution;

2173 

2174  template<class T>

2175  friend class ::rocrand_cpp::uniform_real_distribution;

2176 

2177  template<class T>

2178  friend class ::rocrand_cpp::normal_distribution;

2179 

2180  template<class T>

2181  friend class ::rocrand_cpp::lognormal_distribution;

2182 

2183  template<class T>

2184  friend class ::rocrand_cpp::poisson_distribution;

2186 };

2187 

2189 template<unsigned long long DefaultSeed>

2190 constexpr typename mt19937_engine<DefaultSeed>::seed_type mt19937_engine<DefaultSeed>::default_seed;

2192 

2198 template<unsigned int DefaultNumDimensions = 1>

2199 class sobol32_engine

2200 {

2201 public:

2203  typedef unsigned int result_type;

2205  typedef rocrand_ordering order_type;

2207  typedef unsigned long long offset_type;

2212  typedef unsigned int dimensions_num_type;

2214  static constexpr dimensions_num_type default_num_dimensions = DefaultNumDimensions;

2215 

2223  sobol32_engine(dimensions_num_type num_of_dimensions = DefaultNumDimensions,

2224  offset_type offset_value = 0,

2225  order_type order_value = ROCRAND_ORDERING_QUASI_DEFAULT)

2226  {

2227  rocrand_status status;

2228  status = rocrand_create_generator(&m_generator, this->type());

2229  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

2230  try

2231  {

2232  this->order(order_value);

2233  if(offset_value > 0)

2234  {

2235  this->offset(offset_value);

2236  }

2237  this->dimensions(num_of_dimensions);

2238  }

2239  catch(...)

2240  {

2241  (void)rocrand_destroy_generator(m_generator);

2242  throw;

2243  }

2244  }

2245 

2247  explicit sobol32_engine(rocrand_generator& generator)

2248  : m_generator(generator)

2249  {

2250  if(generator == NULL)

2251  {

2252  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

2253  }

2254  generator = NULL;

2255  }

2256 

2257  sobol32_engine(const sobol32_engine&) = delete;

2258 

2259  sobol32_engine& operator=(const sobol32_engine&) = delete;

2260 

2262  sobol32_engine(sobol32_engine&& rhs) noexcept : m_generator(rhs.m_generator)

2263  {

2264  rhs.m_generator = nullptr;

2265  }

2266 

2268  sobol32_engine& operator=(sobol32_engine&& rhs) noexcept

2269  {

2270  rocrand_status status = rocrand_destroy_generator(m_generator);

2271  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

2272  (void)status;

2273 

2274  m_generator = rhs.m_generator;

2275  rhs.m_generator = nullptr;

2276  return *this;

2277  }

2278 

2280  ~sobol32_engine() noexcept(false)

2281  {

2282  rocrand_status status = rocrand_destroy_generator(m_generator);

2283  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

2284  throw rocrand_cpp::error(status);

2285  }

2286 

2288  void stream(hipStream_t value)

2289  {

2290  rocrand_status status = rocrand_set_stream(m_generator, value);

2291  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

2292  }

2293 

2295  void order(order_type value)

2296  {

2297  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

2298  if(status != ROCRAND_STATUS_SUCCESS)

2299  throw rocrand_cpp::error(status);

2300  }

2301 

2303  void offset(offset_type value)

2304  {

2305  rocrand_status status = rocrand_set_offset(this->m_generator, value);

2306  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

2307  }

2308 

2319  void dimensions(dimensions_num_type value)

2320  {

2321  rocrand_status status =

2322  rocrand_set_quasi_random_generator_dimensions(this->m_generator, value);

2323  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

2324  }

2325 

2341  template<class Generator>

2342  void operator()(result_type * output, size_t size)

2343  {

2344  rocrand_status status;

2345  status = rocrand_generate(m_generator, output, size);

2346  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

2347  }

2348 

2350  static constexpr result_type min()

2351  {

2352  return 0;

2353  }

2354 

2356  static constexpr result_type max()

2357  {

2358  return std::numeric_limits<unsigned int>::max();

2359  }

2360 

2362  static constexpr rocrand_rng_type type()

2363  {

2364  return ROCRAND_RNG_QUASI_SOBOL32;

2365  }

2366 

2367 private:

2368  rocrand_generator m_generator;

2369 

2371  template<class T>

2372  friend class ::rocrand_cpp::uniform_int_distribution;

2373 

2374  template<class T>

2375  friend class ::rocrand_cpp::uniform_real_distribution;

2376 

2377  template<class T>

2378  friend class ::rocrand_cpp::normal_distribution;

2379 

2380  template<class T>

2381  friend class ::rocrand_cpp::lognormal_distribution;

2382 

2383  template<class T>

2384  friend class ::rocrand_cpp::poisson_distribution;

2386 };

2387 

2389 template<unsigned int DefaultNumDimensions>

2390 constexpr typename sobol32_engine<DefaultNumDimensions>::dimensions_num_type

2391  sobol32_engine<DefaultNumDimensions>::default_num_dimensions;

2393 

2399 template<unsigned int DefaultNumDimensions = 1>

2400 class scrambled_sobol32_engine

2401 {

2402 public:

2404  typedef unsigned int result_type;

2406  typedef unsigned long long offset_type;

2408  typedef rocrand_ordering order_type;

2413  typedef unsigned int dimensions_num_type;

2415  static constexpr dimensions_num_type default_num_dimensions = DefaultNumDimensions;

2416 

2424  scrambled_sobol32_engine(dimensions_num_type num_of_dimensions = DefaultNumDimensions,

2425  offset_type offset_value = 0,

2426  order_type order_value = ROCRAND_ORDERING_QUASI_DEFAULT)

2427  {

2428  rocrand_status status;

2429  status = rocrand_create_generator(&m_generator, this->type());

2430  if(status != ROCRAND_STATUS_SUCCESS)

2431  throw rocrand_cpp::error(status);

2432  try

2433  {

2434  this->order(order_value);

2435  if(offset_value > 0)

2436  {

2437  this->offset(offset_value);

2438  }

2439  this->dimensions(num_of_dimensions);

2440  }

2441  catch(...)

2442  {

2443  (void)rocrand_destroy_generator(m_generator);

2444  throw;

2445  }

2446  }

2447 

2449  explicit scrambled_sobol32_engine(rocrand_generator& generator) : m_generator(generator)

2450  {

2451  if(generator == NULL)

2452  {

2453  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

2454  }

2455  generator = NULL;

2456  }

2457 

2458  scrambled_sobol32_engine(const scrambled_sobol32_engine&) = delete;

2459 

2460  scrambled_sobol32_engine& operator=(const scrambled_sobol32_engine&) = delete;

2461 

2463  scrambled_sobol32_engine(scrambled_sobol32_engine&& rhs) noexcept : m_generator(rhs.m_generator)

2464  {

2465  rhs.m_generator = nullptr;

2466  }

2467 

2469  scrambled_sobol32_engine& operator=(scrambled_sobol32_engine&& rhs) noexcept

2470  {

2471  rocrand_status status = rocrand_destroy_generator(m_generator);

2472  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

2473  (void)status;

2474 

2475  m_generator = rhs.m_generator;

2476  rhs.m_generator = nullptr;

2477  return *this;

2478  }

2479 

2481  ~scrambled_sobol32_engine() noexcept(false)

2482  {

2483  rocrand_status status = rocrand_destroy_generator(m_generator);

2484  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

2485  throw rocrand_cpp::error(status);

2486  }

2487 

2489  void stream(hipStream_t value)

2490  {

2491  rocrand_status status = rocrand_set_stream(m_generator, value);

2492  if(status != ROCRAND_STATUS_SUCCESS)

2493  throw rocrand_cpp::error(status);

2494  }

2495 

2497  void order(order_type value)

2498  {

2499  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

2500  if(status != ROCRAND_STATUS_SUCCESS)

2501  throw rocrand_cpp::error(status);

2502  }

2503 

2505  void offset(offset_type value)

2506  {

2507  rocrand_status status = rocrand_set_offset(this->m_generator, value);

2508  if(status != ROCRAND_STATUS_SUCCESS)

2509  throw rocrand_cpp::error(status);

2510  }

2511 

2522  void dimensions(dimensions_num_type value)

2523  {

2524  rocrand_status status

2525  = rocrand_set_quasi_random_generator_dimensions(this->m_generator, value);

2526  if(status != ROCRAND_STATUS_SUCCESS)

2527  throw rocrand_cpp::error(status);

2528  }

2529 

2545  template<class Generator>

2546  void operator()(result_type* output, size_t size)

2547  {

2548  rocrand_status status;

2549  status = rocrand_generate(m_generator, output, size);

2550  if(status != ROCRAND_STATUS_SUCCESS)

2551  throw rocrand_cpp::error(status);

2552  }

2553 

2555  static constexpr result_type min()

2556  {

2557  return 0;

2558  }

2559 

2561  static constexpr result_type max()

2562  {

2563  return std::numeric_limits<unsigned int>::max();

2564  }

2565 

2567  static constexpr rocrand_rng_type type()

2568  {

2569  return ROCRAND_RNG_QUASI_SCRAMBLED_SOBOL32;

2570  }

2571 

2572 private:

2573  rocrand_generator m_generator;

2574 

2576  template<class T>

2577  friend class ::rocrand_cpp::uniform_int_distribution;

2578 

2579  template<class T>

2580  friend class ::rocrand_cpp::uniform_real_distribution;

2581 

2582  template<class T>

2583  friend class ::rocrand_cpp::normal_distribution;

2584 

2585  template<class T>

2586  friend class ::rocrand_cpp::lognormal_distribution;

2587 

2588  template<class T>

2589  friend class ::rocrand_cpp::poisson_distribution;

2591 };

2592 

2594 template<unsigned int DefaultNumDimensions>

2595 constexpr typename scrambled_sobol32_engine<DefaultNumDimensions>::dimensions_num_type

2596  scrambled_sobol32_engine<DefaultNumDimensions>::default_num_dimensions;

2598 

2604 template<unsigned int DefaultNumDimensions = 1>

2605 class sobol64_engine

2606 {

2607 public:

2609  typedef unsigned long long int result_type;

2611  typedef unsigned long long int offset_type;

2613  typedef rocrand_ordering order_type;

2618  typedef unsigned int dimensions_num_type;

2620  static constexpr dimensions_num_type default_num_dimensions = DefaultNumDimensions;

2621 

2629  sobol64_engine(dimensions_num_type num_of_dimensions = DefaultNumDimensions,

2630  offset_type offset_value = 0,

2631  order_type order_value = ROCRAND_ORDERING_QUASI_DEFAULT)

2632  {

2633  rocrand_status status;

2634  status = rocrand_create_generator(&m_generator, this->type());

2635  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

2636  try

2637  {

2638  this->order(order_value);

2639  if(offset_value > 0)

2640  {

2641  this->offset(offset_value);

2642  }

2643  this->dimensions(num_of_dimensions);

2644  }

2645  catch(...)

2646  {

2647  (void)rocrand_destroy_generator(m_generator);

2648  throw;

2649  }

2650  }

2651 

2653  explicit sobol64_engine(rocrand_generator& generator)

2654  : m_generator(generator)

2655  {

2656  if(generator == NULL)

2657  {

2658  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

2659  }

2660  generator = NULL;

2661  }

2662 

2663  sobol64_engine(const sobol64_engine&) = delete;

2664 

2665  sobol64_engine& operator=(const sobol64_engine&) = delete;

2666 

2668  sobol64_engine(sobol64_engine&& rhs) noexcept : m_generator(rhs.m_generator)

2669  {

2670  rhs.m_generator = nullptr;

2671  }

2672 

2674  sobol64_engine& operator=(sobol64_engine&& rhs) noexcept

2675  {

2676  rocrand_status status = rocrand_destroy_generator(m_generator);

2677  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

2678  (void)status;

2679 

2680  m_generator = rhs.m_generator;

2681  rhs.m_generator = nullptr;

2682  return *this;

2683  }

2684 

2686  ~sobol64_engine() noexcept(false)

2687  {

2688  rocrand_status status = rocrand_destroy_generator(m_generator);

2689  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

2690  throw rocrand_cpp::error(status);

2691  }

2692 

2694  void stream(hipStream_t value)

2695  {

2696  rocrand_status status = rocrand_set_stream(m_generator, value);

2697  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

2698  }

2699 

2701  void order(order_type value)

2702  {

2703  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

2704  if(status != ROCRAND_STATUS_SUCCESS)

2705  throw rocrand_cpp::error(status);

2706  }

2707 

2709  void offset(offset_type value)

2710  {

2711  rocrand_status status = rocrand_set_offset(this->m_generator, value);

2712  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

2713  }

2714 

2725  void dimensions(dimensions_num_type value)

2726  {

2727  rocrand_status status =

2728  rocrand_set_quasi_random_generator_dimensions(this->m_generator, value);

2729  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

2730  }

2731 

2747  template<class Generator>

2748  void operator()(result_type * output, size_t size)

2749  {

2750  rocrand_status status;

2751  status = rocrand_generate_long_long(m_generator, output, size);

2752  if(status != ROCRAND_STATUS_SUCCESS) throw rocrand_cpp::error(status);

2753  }

2754 

2756  static constexpr result_type min()

2757  {

2758  return 0;

2759  }

2760 

2762  static constexpr result_type max()

2763  {

2764  return std::numeric_limits<result_type>::max();

2765  }

2766 

2768  static constexpr rocrand_rng_type type()

2769  {

2770  return ROCRAND_RNG_QUASI_SOBOL64;

2771  }

2772 

2773 private:

2774  rocrand_generator m_generator;

2775 

2777  template<class T>

2778  friend class ::rocrand_cpp::uniform_int_distribution;

2779 

2780  template<class T>

2781  friend class ::rocrand_cpp::uniform_real_distribution;

2782 

2783  template<class T>

2784  friend class ::rocrand_cpp::normal_distribution;

2785 

2786  template<class T>

2787  friend class ::rocrand_cpp::lognormal_distribution;

2788 

2789  template<class T>

2790  friend class ::rocrand_cpp::poisson_distribution;

2792 };

2793 

2795 template<unsigned int DefaultNumDimensions>

2796 constexpr typename sobol64_engine<DefaultNumDimensions>::dimensions_num_type

2797  sobol64_engine<DefaultNumDimensions>::default_num_dimensions;

2799 

2805 template<unsigned int DefaultNumDimensions = 1>

2806 class scrambled_sobol64_engine

2807 {

2808 public:

2810  typedef unsigned long long int result_type;

2812  typedef rocrand_ordering order_type;

2814  typedef unsigned long long int offset_type;

2819  typedef unsigned int dimensions_num_type;

2821  static constexpr dimensions_num_type default_num_dimensions = DefaultNumDimensions;

2822 

2830  scrambled_sobol64_engine(dimensions_num_type num_of_dimensions = DefaultNumDimensions,

2831  offset_type offset_value = 0,

2832  order_type order_value = ROCRAND_ORDERING_QUASI_DEFAULT)

2833  {

2834  rocrand_status status;

2835  status = rocrand_create_generator(&m_generator, this->type());

2836  if(status != ROCRAND_STATUS_SUCCESS)

2837  throw rocrand_cpp::error(status);

2838  try

2839  {

2840  this->order(order_value);

2841  if(offset_value > 0)

2842  {

2843  this->offset(offset_value);

2844  }

2845  this->dimensions(num_of_dimensions);

2846  }

2847  catch(...)

2848  {

2849  (void)rocrand_destroy_generator(m_generator);

2850  throw;

2851  }

2852  }

2853 

2855  explicit scrambled_sobol64_engine(rocrand_generator& generator) : m_generator(generator)

2856  {

2857  if(generator == NULL)

2858  {

2859  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

2860  }

2861  generator = NULL;

2862  }

2863 

2864  scrambled_sobol64_engine(const scrambled_sobol64_engine&) = delete;

2865 

2866  scrambled_sobol64_engine& operator=(const scrambled_sobol64_engine&) = delete;

2867 

2869  scrambled_sobol64_engine(scrambled_sobol64_engine&& rhs) noexcept : m_generator(rhs.m_generator)

2870  {

2871  rhs.m_generator = nullptr;

2872  }

2873 

2875  scrambled_sobol64_engine& operator=(scrambled_sobol64_engine&& rhs) noexcept

2876  {

2877  rocrand_status status = rocrand_destroy_generator(m_generator);

2878  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

2879  (void)status;

2880 

2881  m_generator = rhs.m_generator;

2882  rhs.m_generator = nullptr;

2883  return *this;

2884  }

2885 

2887  ~scrambled_sobol64_engine() noexcept(false)

2888  {

2889  rocrand_status status = rocrand_destroy_generator(m_generator);

2890  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

2891  throw rocrand_cpp::error(status);

2892  }

2893 

2895  void stream(hipStream_t value)

2896  {

2897  rocrand_status status = rocrand_set_stream(m_generator, value);

2898  if(status != ROCRAND_STATUS_SUCCESS)

2899  throw rocrand_cpp::error(status);

2900  }

2901 

2903  void order(order_type value)

2904  {

2905  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

2906  if(status != ROCRAND_STATUS_SUCCESS)

2907  throw rocrand_cpp::error(status);

2908  }

2909 

2911  void offset(offset_type value)

2912  {

2913  rocrand_status status = rocrand_set_offset(this->m_generator, value);

2914  if(status != ROCRAND_STATUS_SUCCESS)

2915  throw rocrand_cpp::error(status);

2916  }

2917 

2928  void dimensions(dimensions_num_type value)

2929  {

2930  rocrand_status status

2931  = rocrand_set_quasi_random_generator_dimensions(this->m_generator, value);

2932  if(status != ROCRAND_STATUS_SUCCESS)

2933  throw rocrand_cpp::error(status);

2934  }

2935 

2951  template<class Generator>

2952  void operator()(result_type* output, size_t size)

2953  {

2954  rocrand_status status;

2955  status = rocrand_generate_long_long(m_generator, output, size);

2956  if(status != ROCRAND_STATUS_SUCCESS)

2957  throw rocrand_cpp::error(status);

2958  }

2959 

2961  static constexpr result_type min()

2962  {

2963  return 0;

2964  }

2965 

2967  static constexpr result_type max()

2968  {

2969  return std::numeric_limits<result_type>::max();

2970  }

2971 

2973  static constexpr rocrand_rng_type type()

2974  {

2975  return ROCRAND_RNG_QUASI_SCRAMBLED_SOBOL64;

2976  }

2977 

2978 private:

2979  rocrand_generator m_generator;

2980 

2982  template<class T>

2983  friend class ::rocrand_cpp::uniform_int_distribution;

2984 

2985  template<class T>

2986  friend class ::rocrand_cpp::uniform_real_distribution;

2987 

2988  template<class T>

2989  friend class ::rocrand_cpp::normal_distribution;

2990 

2991  template<class T>

2992  friend class ::rocrand_cpp::lognormal_distribution;

2993 

2994  template<class T>

2995  friend class ::rocrand_cpp::poisson_distribution;

2997 };

2998 

3000 template<unsigned int DefaultNumDimensions>

3001 constexpr typename scrambled_sobol64_engine<DefaultNumDimensions>::dimensions_num_type

3002  scrambled_sobol64_engine<DefaultNumDimensions>::default_num_dimensions;

3004 

3009 template<unsigned long long DefaultSeed = 0>

3010 class threefry2x32_20_engine

3011 {

3012 public:

3014  typedef unsigned int result_type;

3016  typedef rocrand_ordering order_type;

3018  typedef unsigned long long offset_type;

3020  typedef unsigned long long seed_type;

3022  static constexpr seed_type default_seed = DefaultSeed;

3023 

3025  threefry2x32_20_engine(seed_type seed_value = DefaultSeed,

3026  offset_type offset_value = 0,

3027  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

3028  {

3029  rocrand_status status;

3030  status = rocrand_create_generator(&m_generator, this->type());

3031  if(status != ROCRAND_STATUS_SUCCESS)

3032  throw rocrand_cpp::error(status);

3033  try

3034  {

3035  if(offset_value > 0)

3036  {

3037  this->offset(offset_value);

3038  }

3039  this->order(order_value);

3040  this->seed(seed_value);

3041  }

3042  catch(...)

3043  {

3044  (void)rocrand_destroy_generator(m_generator);

3045  throw;

3046  }

3047  }

3048 

3050  explicit threefry2x32_20_engine(rocrand_generator& generator) : m_generator(generator)

3051  {

3052  if(generator == NULL)

3053  {

3054  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

3055  }

3056  generator = NULL;

3057  }

3058 

3059  threefry2x32_20_engine(const threefry2x32_20_engine&) = delete;

3060 

3061  threefry2x32_20_engine& operator=(const threefry2x32_20_engine&) = delete;

3062 

3064  threefry2x32_20_engine(threefry2x32_20_engine&& rhs) noexcept : m_generator(rhs.m_generator)

3065  {

3066  rhs.m_generator = nullptr;

3067  }

3068 

3070  threefry2x32_20_engine& operator=(threefry2x32_20_engine&& rhs) noexcept

3071  {

3072  rocrand_status status = rocrand_destroy_generator(m_generator);

3073  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

3074  (void)status;

3075 

3076  m_generator = rhs.m_generator;

3077  rhs.m_generator = nullptr;

3078  return *this;

3079  }

3080 

3082  ~threefry2x32_20_engine() noexcept(false)

3083  {

3084  rocrand_status status = rocrand_destroy_generator(m_generator);

3085  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

3086  throw rocrand_cpp::error(status);

3087  }

3088 

3090  void stream(hipStream_t value)

3091  {

3092  rocrand_status status = rocrand_set_stream(m_generator, value);

3093  if(status != ROCRAND_STATUS_SUCCESS)

3094  throw rocrand_cpp::error(status);

3095  }

3096 

3098  void order(order_type value)

3099  {

3100  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

3101  if(status != ROCRAND_STATUS_SUCCESS)

3102  throw rocrand_cpp::error(status);

3103  }

3104 

3106  void offset(offset_type value)

3107  {

3108  rocrand_status status = rocrand_set_offset(this->m_generator, value);

3109  if(status != ROCRAND_STATUS_SUCCESS)

3110  throw rocrand_cpp::error(status);

3111  }

3112 

3114  void seed(seed_type value)

3115  {

3116  rocrand_status status = rocrand_set_seed(this->m_generator, value);

3117  if(status != ROCRAND_STATUS_SUCCESS)

3118  throw rocrand_cpp::error(status);

3119  }

3120 

3122  template<class Generator>

3123  void operator()(result_type* output, size_t size)

3124  {

3125  rocrand_status status;

3126  status = rocrand_generate(m_generator, output, size);

3127  if(status != ROCRAND_STATUS_SUCCESS)

3128  throw rocrand_cpp::error(status);

3129  }

3130 

3132  static constexpr result_type min()

3133  {

3134  return 0;

3135  }

3136 

3138  static constexpr result_type max()

3139  {

3140  return std::numeric_limits<unsigned int>::max();

3141  }

3142 

3144  static constexpr rocrand_rng_type type()

3145  {

3146  return ROCRAND_RNG_PSEUDO_THREEFRY2_32_20;

3147  }

3148 

3149 private:

3150  rocrand_generator m_generator;

3151 

3153  template<class T>

3154  friend class ::rocrand_cpp::uniform_int_distribution;

3155 

3156  template<class T>

3157  friend class ::rocrand_cpp::uniform_real_distribution;

3158 

3159  template<class T>

3160  friend class ::rocrand_cpp::normal_distribution;

3161 

3162  template<class T>

3163  friend class ::rocrand_cpp::lognormal_distribution;

3164 

3165  template<class T>

3166  friend class ::rocrand_cpp::poisson_distribution;

3168 };

3169 

3171 template<unsigned long long DefaultSeed>

3172 constexpr typename threefry2x32_20_engine<DefaultSeed>::seed_type

3173  threefry2x32_20_engine<DefaultSeed>::default_seed;

3175 

3180 template<unsigned long long DefaultSeed = 0>

3181 class threefry2x64_20_engine

3182 {

3183 public:

3185  typedef unsigned long long result_type;

3187  typedef rocrand_ordering order_type;

3189  typedef unsigned long long offset_type;

3191  typedef unsigned long long seed_type;

3193  static constexpr seed_type default_seed = DefaultSeed;

3194 

3196  threefry2x64_20_engine(seed_type seed_value = DefaultSeed,

3197  offset_type offset_value = 0,

3198  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

3199  {

3200  rocrand_status status;

3201  status = rocrand_create_generator(&m_generator, this->type());

3202  if(status != ROCRAND_STATUS_SUCCESS)

3203  throw rocrand_cpp::error(status);

3204  try

3205  {

3206  if(offset_value > 0)

3207  {

3208  this->offset(offset_value);

3209  }

3210  this->order(order_value);

3211  this->seed(seed_value);

3212  }

3213  catch(...)

3214  {

3215  (void)rocrand_destroy_generator(m_generator);

3216  throw;

3217  }

3218  }

3219 

3221  explicit threefry2x64_20_engine(rocrand_generator& generator) : m_generator(generator)

3222  {

3223  if(generator == NULL)

3224  {

3225  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

3226  }

3227  generator = NULL;

3228  }

3229 

3230  threefry2x64_20_engine(const threefry2x64_20_engine&) = delete;

3231 

3232  threefry2x64_20_engine& operator=(const threefry2x64_20_engine&) = delete;

3233 

3235  threefry2x64_20_engine(threefry2x64_20_engine&& rhs) noexcept : m_generator(rhs.m_generator)

3236  {

3237  rhs.m_generator = nullptr;

3238  }

3239 

3241  threefry2x64_20_engine& operator=(threefry2x64_20_engine&& rhs) noexcept

3242  {

3243  rocrand_status status = rocrand_destroy_generator(m_generator);

3244  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

3245  (void)status;

3246 

3247  m_generator = rhs.m_generator;

3248  rhs.m_generator = nullptr;

3249  return *this;

3250  }

3251 

3253  ~threefry2x64_20_engine() noexcept(false)

3254  {

3255  rocrand_status status = rocrand_destroy_generator(m_generator);

3256  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

3257  throw rocrand_cpp::error(status);

3258  }

3259 

3261  void stream(hipStream_t value)

3262  {

3263  rocrand_status status = rocrand_set_stream(m_generator, value);

3264  if(status != ROCRAND_STATUS_SUCCESS)

3265  throw rocrand_cpp::error(status);

3266  }

3267 

3269  void order(order_type value)

3270  {

3271  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

3272  if(status != ROCRAND_STATUS_SUCCESS)

3273  throw rocrand_cpp::error(status);

3274  }

3275 

3277  void offset(offset_type value)

3278  {

3279  rocrand_status status = rocrand_set_offset(this->m_generator, value);

3280  if(status != ROCRAND_STATUS_SUCCESS)

3281  throw rocrand_cpp::error(status);

3282  }

3283 

3285  void seed(seed_type value)

3286  {

3287  rocrand_status status = rocrand_set_seed(this->m_generator, value);

3288  if(status != ROCRAND_STATUS_SUCCESS)

3289  throw rocrand_cpp::error(status);

3290  }

3291 

3293  template<class Generator>

3294  void operator()(result_type* output, size_t size)

3295  {

3296  rocrand_status status;

3297  status = rocrand_generate_long_long(m_generator, output, size);

3298  if(status != ROCRAND_STATUS_SUCCESS)

3299  throw rocrand_cpp::error(status);

3300  }

3301 

3303  static constexpr result_type min()

3304  {

3305  return 0;

3306  }

3307 

3309  static constexpr result_type max()

3310  {

3311  return std::numeric_limits<unsigned int>::max();

3312  }

3313 

3315  static constexpr rocrand_rng_type type()

3316  {

3317  return ROCRAND_RNG_PSEUDO_THREEFRY2_64_20;

3318  }

3319 

3320 private:

3321  rocrand_generator m_generator;

3322 

3324  template<class T>

3325  friend class ::rocrand_cpp::uniform_int_distribution;

3326 

3327  template<class T>

3328  friend class ::rocrand_cpp::uniform_real_distribution;

3329 

3330  template<class T>

3331  friend class ::rocrand_cpp::normal_distribution;

3332 

3333  template<class T>

3334  friend class ::rocrand_cpp::lognormal_distribution;

3335 

3336  template<class T>

3337  friend class ::rocrand_cpp::poisson_distribution;

3339 };

3340 

3342 template<unsigned long long DefaultSeed>

3343 constexpr typename threefry2x64_20_engine<DefaultSeed>::seed_type

3344  threefry2x64_20_engine<DefaultSeed>::default_seed;

3346 

3351 template<unsigned long long DefaultSeed = 0>

3352 class threefry4x32_20_engine

3353 {

3354 public:

3356  typedef unsigned int result_type;

3358  typedef rocrand_ordering order_type;

3360  typedef unsigned long long offset_type;

3362  typedef unsigned long long seed_type;

3364  static constexpr seed_type default_seed = DefaultSeed;

3365 

3367  threefry4x32_20_engine(seed_type seed_value = DefaultSeed,

3368  offset_type offset_value = 0,

3369  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

3370  {

3371  rocrand_status status;

3372  status = rocrand_create_generator(&m_generator, this->type());

3373  if(status != ROCRAND_STATUS_SUCCESS)

3374  throw rocrand_cpp::error(status);

3375  try

3376  {

3377  if(offset_value > 0)

3378  {

3379  this->offset(offset_value);

3380  }

3381  this->order(order_value);

3382  this->seed(seed_value);

3383  }

3384  catch(...)

3385  {

3386  (void)rocrand_destroy_generator(m_generator);

3387  throw;

3388  }

3389  }

3390 

3392  explicit threefry4x32_20_engine(rocrand_generator& generator) : m_generator(generator)

3393  {

3394  if(generator == NULL)

3395  {

3396  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

3397  }

3398  generator = NULL;

3399  }

3400 

3401  threefry4x32_20_engine(const threefry4x32_20_engine&) = delete;

3402 

3403  threefry4x32_20_engine& operator=(const threefry4x32_20_engine&) = delete;

3404 

3406  threefry4x32_20_engine(threefry4x32_20_engine&& rhs) noexcept : m_generator(rhs.m_generator)

3407  {

3408  rhs.m_generator = nullptr;

3409  }

3410 

3412  threefry4x32_20_engine& operator=(threefry4x32_20_engine&& rhs) noexcept

3413  {

3414  rocrand_status status = rocrand_destroy_generator(m_generator);

3415  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

3416  (void)status;

3417 

3418  m_generator = rhs.m_generator;

3419  rhs.m_generator = nullptr;

3420  return *this;

3421  }

3422 

3424  ~threefry4x32_20_engine() noexcept(false)

3425  {

3426  rocrand_status status = rocrand_destroy_generator(m_generator);

3427  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

3428  throw rocrand_cpp::error(status);

3429  }

3430 

3432  void stream(hipStream_t value)

3433  {

3434  rocrand_status status = rocrand_set_stream(m_generator, value);

3435  if(status != ROCRAND_STATUS_SUCCESS)

3436  throw rocrand_cpp::error(status);

3437  }

3438 

3440  void order(order_type value)

3441  {

3442  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

3443  if(status != ROCRAND_STATUS_SUCCESS)

3444  throw rocrand_cpp::error(status);

3445  }

3446 

3448  void offset(offset_type value)

3449  {

3450  rocrand_status status = rocrand_set_offset(this->m_generator, value);

3451  if(status != ROCRAND_STATUS_SUCCESS)

3452  throw rocrand_cpp::error(status);

3453  }

3454 

3456  void seed(seed_type value)

3457  {

3458  rocrand_status status = rocrand_set_seed(this->m_generator, value);

3459  if(status != ROCRAND_STATUS_SUCCESS)

3460  throw rocrand_cpp::error(status);

3461  }

3462 

3464  template<class Generator>

3465  void operator()(result_type* output, size_t size)

3466  {

3467  rocrand_status status;

3468  status = rocrand_generate(m_generator, output, size);

3469  if(status != ROCRAND_STATUS_SUCCESS)

3470  throw rocrand_cpp::error(status);

3471  }

3472 

3474  static constexpr result_type min()

3475  {

3476  return 0;

3477  }

3478 

3480  static constexpr result_type max()

3481  {

3482  return std::numeric_limits<unsigned int>::max();

3483  }

3484 

3486  static constexpr rocrand_rng_type type()

3487  {

3488  return ROCRAND_RNG_PSEUDO_THREEFRY4_32_20;

3489  }

3490 

3491 private:

3492  rocrand_generator m_generator;

3493 

3495  template<class T>

3496  friend class ::rocrand_cpp::uniform_int_distribution;

3497 

3498  template<class T>

3499  friend class ::rocrand_cpp::uniform_real_distribution;

3500 

3501  template<class T>

3502  friend class ::rocrand_cpp::normal_distribution;

3503 

3504  template<class T>

3505  friend class ::rocrand_cpp::lognormal_distribution;

3506 

3507  template<class T>

3508  friend class ::rocrand_cpp::poisson_distribution;

3510 };

3511 

3513 template<unsigned long long DefaultSeed>

3514 constexpr typename threefry4x32_20_engine<DefaultSeed>::seed_type

3515  threefry4x32_20_engine<DefaultSeed>::default_seed;

3517 

3522 template<unsigned long long DefaultSeed = 0>

3523 class threefry4x64_20_engine

3524 {

3525 public:

3527  typedef unsigned long long result_type;

3529  typedef rocrand_ordering order_type;

3531  typedef unsigned long long offset_type;

3533  typedef unsigned long long seed_type;

3535  static constexpr seed_type default_seed = DefaultSeed;

3536 

3538  threefry4x64_20_engine(seed_type seed_value = DefaultSeed,

3539  offset_type offset_value = 0,

3540  order_type order_value = ROCRAND_ORDERING_PSEUDO_DEFAULT)

3541  {

3542  rocrand_status status;

3543  status = rocrand_create_generator(&m_generator, this->type());

3544  if(status != ROCRAND_STATUS_SUCCESS)

3545  throw rocrand_cpp::error(status);

3546  try

3547  {

3548  if(offset_value > 0)

3549  {

3550  this->offset(offset_value);

3551  }

3552  this->order(order_value);

3553  this->seed(seed_value);

3554  }

3555  catch(...)

3556  {

3557  (void)rocrand_destroy_generator(m_generator);

3558  throw;

3559  }

3560  }

3561 

3563  explicit threefry4x64_20_engine(rocrand_generator& generator) : m_generator(generator)

3564  {

3565  if(generator == NULL)

3566  {

3567  throw rocrand_cpp::error(ROCRAND_STATUS_NOT_CREATED);

3568  }

3569  generator = NULL;

3570  }

3571 

3572  threefry4x64_20_engine(const threefry4x64_20_engine&) = delete;

3573 

3574  threefry4x64_20_engine& operator=(const threefry4x64_20_engine&) = delete;

3575 

3577  threefry4x64_20_engine(threefry4x64_20_engine&& rhs) noexcept : m_generator(rhs.m_generator)

3578  {

3579  rhs.m_generator = nullptr;

3580  }

3581 

3583  threefry4x64_20_engine& operator=(threefry4x64_20_engine&& rhs) noexcept

3584  {

3585  rocrand_status status = rocrand_destroy_generator(m_generator);

3586  assert(status == ROCRAND_STATUS_SUCCESS || status == ROCRAND_STATUS_NOT_CREATED);

3587  (void)status;

3588 

3589  m_generator = rhs.m_generator;

3590  rhs.m_generator = nullptr;

3591  return *this;

3592  }

3593 

3595  ~threefry4x64_20_engine() noexcept(false)

3596  {

3597  rocrand_status status = rocrand_destroy_generator(m_generator);

3598  if(status != ROCRAND_STATUS_SUCCESS && status != ROCRAND_STATUS_NOT_CREATED)

3599  throw rocrand_cpp::error(status);

3600  }

3601 

3603  void stream(hipStream_t value)

3604  {

3605  rocrand_status status = rocrand_set_stream(m_generator, value);

3606  if(status != ROCRAND_STATUS_SUCCESS)

3607  throw rocrand_cpp::error(status);

3608  }

3609 

3611  void order(order_type value)

3612  {

3613  rocrand_status status = rocrand_set_ordering(this->m_generator, value);

3614  if(status != ROCRAND_STATUS_SUCCESS)

3615  throw rocrand_cpp::error(status);

3616  }

3617 

3619  void offset(offset_type value)

3620  {

3621  rocrand_status status = rocrand_set_offset(this->m_generator, value);

3622  if(status != ROCRAND_STATUS_SUCCESS)

3623  throw rocrand_cpp::error(status);

3624  }

3625 

3627  void seed(seed_type value)

3628  {

3629  rocrand_status status = rocrand_set_seed(this->m_generator, value);

3630  if(status != ROCRAND_STATUS_SUCCESS)

3631  throw rocrand_cpp::error(status);

3632  }

3633 

3635  template<class Generator>

3636  void operator()(result_type* output, size_t size)

3637  {

3638  rocrand_status status;

3639  status = rocrand_generate_long_long(m_generator, output, size);

3640  if(status != ROCRAND_STATUS_SUCCESS)

3641  throw rocrand_cpp::error(status);

3642  }

3643 

3645  static constexpr result_type min()

3646  {

3647  return 0;

3648  }

3649 

3651  static constexpr result_type max()

3652  {

3653  return std::numeric_limits<unsigned int>::max();

3654  }

3655 

3657  static constexpr rocrand_rng_type type()

3658  {

3659  return ROCRAND_RNG_PSEUDO_THREEFRY4_64_20;

3660  }

3661 

3662 private:

3663  rocrand_generator m_generator;

3664 

3666  template<class T>

3667  friend class ::rocrand_cpp::uniform_int_distribution;

3668 

3669  template<class T>

3670  friend class ::rocrand_cpp::uniform_real_distribution;

3671 

3672  template<class T>

3673  friend class ::rocrand_cpp::normal_distribution;

3674 

3675  template<class T>

3676  friend class ::rocrand_cpp::lognormal_distribution;

3677 

3678  template<class T>

3679  friend class ::rocrand_cpp::poisson_distribution;

3681 };

3682 

3684 template<unsigned long long DefaultSeed>

3685 constexpr typename threefry4x64_20_engine<DefaultSeed>::seed_type

3686  threefry4x64_20_engine<DefaultSeed>::default_seed;

3688 

3691 typedef philox4x32_10_engine<> philox4x32_10;

3694 typedef xorwow_engine<> xorwow;

3697 typedef mrg31k3p_engine<> mrg31k3p;

3700 typedef mrg32k3a_engine<> mrg32k3a;

3703 typedef mtgp32_engine<> mtgp32;

3707 typedef lfsr113_engine<> lfsr113;

3710 typedef mt19937_engine<> mt19937;

3713 typedef threefry2x32_20_engine<> threefry2x32;

3716 typedef threefry2x64_20_engine<> threefry2x64;

3719 typedef threefry4x32_20_engine<> threefry4x32;

3722 typedef threefry4x64_20_engine<> threefry4x64;

3725 typedef sobol32_engine<> sobol32;

3728 typedef scrambled_sobol32_engine<> scrambled_sobol32;

3731 typedef sobol64_engine<> sobol64;

3734 typedef scrambled_sobol64_engine<> scrambled_sobol64;

3735 

3738 typedef xorwow default_random_engine;

3739 

3767 typedef std::random_device random_device;

3768 

3771 inline int version()

3772 {

3773  int x;

3774  rocrand_status status = rocrand_get_version(&x);

3775  if(status != ROCRAND_STATUS_SUCCESS)

3776  {

3777  throw rocrand_cpp::error(status);

3778  }

3779  return x;

3780 }

3781 

3783 

3784 } // end namespace rocrand_cpp

3785 

3786 #endif // #if __cplusplus >= 201103L

3787 #endif // ROCRAND_HPP_

rocrand_cpp::error

A run-time rocRAND error.

Definition: rocrand.hpp:50

rocrand_cpp::error::error_code

error_type error_code() const noexcept

Returns the numeric error code.

Definition: rocrand.hpp:65

rocrand_cpp::error::error_string

std::string error_string() const noexcept

Returns a string description of the error.

Definition: rocrand.hpp:71

rocrand_cpp::error::operator!=

friend bool operator!=(const error &l, const error &r)

Compares two error objects for inequality.

Definition: rocrand.hpp:129

rocrand_cpp::error::to_string

static std::string to_string(error_type error)

Definition: rocrand.hpp:88

rocrand_cpp::error::what

const char * what() const noexcept override

Returns a C-string description of the error.

Definition: rocrand.hpp:77

rocrand_cpp::error::error

error(error_type error) noexcept

Definition: rocrand.hpp:58

rocrand_cpp::error::error_type

rocrand_status error_type

rocRAND error code type

Definition: rocrand.hpp:53

rocrand_cpp::error::operator==

friend bool operator==(const error &l, const error &r)

Compares two error objects for equality.

Definition: rocrand.hpp:122

rocrand_cpp::lfsr113_engine

Random number engine based on the LFSR113 algorithm.

Definition: rocrand.hpp:1840

rocrand_cpp::lfsr113_engine::operator=

lfsr113_engine & operator=(lfsr113_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:1920

rocrand_cpp::lfsr113_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:1973

rocrand_cpp::lfsr113_engine::lfsr113_engine

lfsr113_engine(lfsr113_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:1914

rocrand_cpp::lfsr113_engine::seed_type

uint4 seed_type

Definition: rocrand.hpp:1847

rocrand_cpp::lfsr113_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:1994

rocrand_cpp::lfsr113_engine::seed

void seed(unsigned long long value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:1956

rocrand_cpp::lfsr113_engine::seed

void seed(seed_type value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:1964

rocrand_cpp::lfsr113_engine::lfsr113_engine

lfsr113_engine(unsigned long long seed_value, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:1880

rocrand_cpp::lfsr113_engine::default_seed

static constexpr seed_type default_seed

The default seed equal to DefaultSeed.

Definition: rocrand.hpp:1850

rocrand_cpp::lfsr113_engine::result_type

unsigned int result_type

Definition: rocrand.hpp:1843

rocrand_cpp::lfsr113_engine::lfsr113_engine

lfsr113_engine(seed_type seed_value={DefaultSeedX, DefaultSeedY, DefaultSeedZ, DefaultSeedW}, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:1860

rocrand_cpp::lfsr113_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:1988

rocrand_cpp::lfsr113_engine::lfsr113_engine

lfsr113_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:1900

rocrand_cpp::lfsr113_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:1940

rocrand_cpp::lfsr113_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:1948

rocrand_cpp::lfsr113_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:1982

rocrand_cpp::lfsr113_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:1845

rocrand_cpp::lfsr113_engine::~lfsr113_engine

~lfsr113_engine() noexcept(false)

Definition: rocrand.hpp:1932

rocrand_cpp::lognormal_distribution::param_type

The type of the distribution parameter set.

Definition: rocrand.hpp:570

rocrand_cpp::lognormal_distribution::param_type::m

RealType m() const

Returns the deviation distribution parameter.

Definition: rocrand.hpp:593

rocrand_cpp::lognormal_distribution::param_type::param_type

param_type(RealType m=0.0, RealType s=1.0)

Constructs a param_type object with the given distribution parameters.

Definition: rocrand.hpp:579

rocrand_cpp::lognormal_distribution::param_type::operator!=

bool operator!=(const param_type &other) const

Returns true if the param_type is different from other.

Definition: rocrand.hpp:613

rocrand_cpp::lognormal_distribution::param_type::s

RealType s() const

Returns the deviation distribution parameter.

Definition: rocrand.hpp:601

rocrand_cpp::lognormal_distribution::param_type::param_type

param_type(const param_type &params)=default

Copy constructor.

rocrand_cpp::lognormal_distribution::param_type::operator==

bool operator==(const param_type &other) const

Returns true if the param_type is the same as other.

Definition: rocrand.hpp:607

rocrand_cpp::lognormal_distribution::param_type::operator=

param_type & operator=(const param_type &params)=default

Copy assignment operator.

rocrand_cpp::lognormal_distribution

Produces positive random numbers according to a log-normal distribution.

Definition: rocrand.hpp:555

rocrand_cpp::lognormal_distribution::param

void param(const param_type &params)

Sets the distribution parameter object.

Definition: rocrand.hpp:665

rocrand_cpp::lognormal_distribution::result_type

RealType result_type

See description for RealType template parameter.

Definition: rocrand.hpp:561

rocrand_cpp::lognormal_distribution::operator==

bool operator==(const lognormal_distribution< RealType > &other) const

Returns true if the distribution is the same as other.

Definition: rocrand.hpp:712

rocrand_cpp::lognormal_distribution::reset

static void reset()

Resets distribution's internal state if there is any.

Definition: rocrand.hpp:638

rocrand_cpp::lognormal_distribution::min

static constexpr RealType min()

Returns the smallest possible value that can be generated.

Definition: rocrand.hpp:671

rocrand_cpp::lognormal_distribution::m

RealType m() const

Returns the mean distribution parameter.

Definition: rocrand.hpp:645

rocrand_cpp::lognormal_distribution::operator()

void operator()(Generator &g, RealType *output, size_t size)

Fills output with log-normally distributed random floating-point values.

Definition: rocrand.hpp:702

rocrand_cpp::lognormal_distribution::lognormal_distribution

lognormal_distribution(RealType m=0.0, RealType s=1.0)

Constructs a new distribution object.

Definition: rocrand.hpp:625

rocrand_cpp::lognormal_distribution::max

static RealType max()

Returns the largest possible value that can be generated.

Definition: rocrand.hpp:677

rocrand_cpp::lognormal_distribution::s

RealType s() const

Returns the standard deviation distribution parameter.

Definition: rocrand.hpp:653

rocrand_cpp::lognormal_distribution::operator!=

bool operator!=(const lognormal_distribution< RealType > &other) const

Returns true if the distribution is different from other.

Definition: rocrand.hpp:720

rocrand_cpp::lognormal_distribution::lognormal_distribution

lognormal_distribution(const param_type &params)

Constructs a new distribution object.

Definition: rocrand.hpp:632

rocrand_cpp::lognormal_distribution::param

param_type param() const

Returns the distribution parameter object.

Definition: rocrand.hpp:659

rocrand_cpp::mrg31k3p_engine

Pseudorandom number engine based MRG31k3p CMRG.

Definition: rocrand.hpp:1335

rocrand_cpp::mrg31k3p_engine::mrg31k3p_engine

mrg31k3p_engine(mrg31k3p_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:1388

rocrand_cpp::mrg31k3p_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:1447

rocrand_cpp::mrg31k3p_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:1430

rocrand_cpp::mrg31k3p_engine::operator=

mrg31k3p_engine & operator=(mrg31k3p_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:1394

rocrand_cpp::mrg31k3p_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:1340

rocrand_cpp::mrg31k3p_engine::mrg31k3p_engine

mrg31k3p_engine(seed_type seed_value=DefaultSeed, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:1349

rocrand_cpp::mrg31k3p_engine::seed_type

unsigned long long seed_type

Definition: rocrand.hpp:1344

rocrand_cpp::mrg31k3p_engine::offset_type

unsigned long long offset_type

Definition: rocrand.hpp:1342

rocrand_cpp::mrg31k3p_engine::result_type

unsigned int result_type

Definition: rocrand.hpp:1338

rocrand_cpp::mrg31k3p_engine::~mrg31k3p_engine

~mrg31k3p_engine() noexcept(false)

Definition: rocrand.hpp:1406

rocrand_cpp::mrg31k3p_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:1456

rocrand_cpp::mrg31k3p_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:1422

rocrand_cpp::mrg31k3p_engine::default_seed

static constexpr seed_type default_seed

The default seed equal to DefaultSeed.

Definition: rocrand.hpp:1346

rocrand_cpp::mrg31k3p_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:1414

rocrand_cpp::mrg31k3p_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:1462

rocrand_cpp::mrg31k3p_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:1468

rocrand_cpp::mrg31k3p_engine::seed

void seed(seed_type value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:1438

rocrand_cpp::mrg31k3p_engine::mrg31k3p_engine

mrg31k3p_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:1374

rocrand_cpp::mrg32k3a_engine

Pseudorandom number engine based MRG32k3a CMRG.

Definition: rocrand.hpp:1507

rocrand_cpp::mrg32k3a_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:1624

rocrand_cpp::mrg32k3a_engine::mrg32k3a_engine

mrg32k3a_engine(mrg32k3a_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:1560

rocrand_cpp::mrg32k3a_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:1636

rocrand_cpp::mrg32k3a_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:1601

rocrand_cpp::mrg32k3a_engine::seed_type

unsigned long long seed_type

Definition: rocrand.hpp:1516

rocrand_cpp::mrg32k3a_engine::offset_type

unsigned long long offset_type

Definition: rocrand.hpp:1514

rocrand_cpp::mrg32k3a_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:1512

rocrand_cpp::mrg32k3a_engine::result_type

unsigned int result_type

Definition: rocrand.hpp:1510

rocrand_cpp::mrg32k3a_engine::seed

void seed(seed_type value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:1608

rocrand_cpp::mrg32k3a_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:1593

rocrand_cpp::mrg32k3a_engine::default_seed

static constexpr seed_type default_seed

The default seed equal to DefaultSeed.

Definition: rocrand.hpp:1518

rocrand_cpp::mrg32k3a_engine::~mrg32k3a_engine

~mrg32k3a_engine() noexcept(false)

Definition: rocrand.hpp:1578

rocrand_cpp::mrg32k3a_engine::mrg32k3a_engine

mrg32k3a_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:1545

rocrand_cpp::mrg32k3a_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:1630

rocrand_cpp::mrg32k3a_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:1586

rocrand_cpp::mrg32k3a_engine::operator=

mrg32k3a_engine & operator=(mrg32k3a_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:1566

rocrand_cpp::mrg32k3a_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:1616

rocrand_cpp::mrg32k3a_engine::mrg32k3a_engine

mrg32k3a_engine(seed_type seed_value=DefaultSeed, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:1521

rocrand_cpp::mt19937_engine

Random number engine based on the Mersenne Twister algorithm.

Definition: rocrand.hpp:2037

rocrand_cpp::mt19937_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:2124

rocrand_cpp::mt19937_engine::operator=

mt19937_engine & operator=(mt19937_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:2096

rocrand_cpp::mt19937_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:2042

rocrand_cpp::mt19937_engine::seed

void seed(seed_type value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:2132

rocrand_cpp::mt19937_engine::~mt19937_engine

~mt19937_engine() noexcept(false)

Definition: rocrand.hpp:2108

rocrand_cpp::mt19937_engine::seed_type

unsigned long long seed_type

Definition: rocrand.hpp:2044

rocrand_cpp::mt19937_engine::mt19937_engine

mt19937_engine(seed_type seed_value=DefaultSeed, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:2056

rocrand_cpp::mt19937_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:2150

rocrand_cpp::mt19937_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:2141

rocrand_cpp::mt19937_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:2116

rocrand_cpp::mt19937_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:2156

rocrand_cpp::mt19937_engine::mt19937_engine

mt19937_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:2076

rocrand_cpp::mt19937_engine::mt19937_engine

mt19937_engine(mt19937_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:2090

rocrand_cpp::mt19937_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:2162

rocrand_cpp::mt19937_engine::default_seed

static constexpr seed_type default_seed

The default seed equal to DefaultSeed.

Definition: rocrand.hpp:2046

rocrand_cpp::mt19937_engine::result_type

unsigned int result_type

Definition: rocrand.hpp:2040

rocrand_cpp::mtgp32_engine

Random number engine based on the Mersenne Twister for Graphic Processors algorithm.

Definition: rocrand.hpp:1675

rocrand_cpp::mtgp32_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:1793

rocrand_cpp::mtgp32_engine::~mtgp32_engine

~mtgp32_engine() noexcept(false)

Definition: rocrand.hpp:1748

rocrand_cpp::mtgp32_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:1787

rocrand_cpp::mtgp32_engine::seed

void seed(seed_type value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:1771

rocrand_cpp::mtgp32_engine::operator=

mtgp32_engine & operator=(mtgp32_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:1736

rocrand_cpp::mtgp32_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:1799

rocrand_cpp::mtgp32_engine::seed_type

unsigned long long seed_type

Definition: rocrand.hpp:1684

rocrand_cpp::mtgp32_engine::mtgp32_engine

mtgp32_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:1715

rocrand_cpp::mtgp32_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:1756

rocrand_cpp::mtgp32_engine::mtgp32_engine

mtgp32_engine(seed_type seed_value=DefaultSeed, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:1696

rocrand_cpp::mtgp32_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:1763

rocrand_cpp::mtgp32_engine::offset_type

unsigned long long offset_type

Definition: rocrand.hpp:1682

rocrand_cpp::mtgp32_engine::default_seed

static constexpr seed_type default_seed

The default seed equal to DefaultSeed.

Definition: rocrand.hpp:1686

rocrand_cpp::mtgp32_engine::result_type

unsigned int result_type

Definition: rocrand.hpp:1678

rocrand_cpp::mtgp32_engine::mtgp32_engine

mtgp32_engine(mtgp32_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:1730

rocrand_cpp::mtgp32_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:1779

rocrand_cpp::mtgp32_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:1680

rocrand_cpp::normal_distribution::param_type

The type of the distribution parameter set.

Definition: rocrand.hpp:366

rocrand_cpp::normal_distribution::param_type::param_type

param_type(const param_type &params)=default

Copy constructor.

rocrand_cpp::normal_distribution::param_type::operator=

param_type & operator=(const param_type &params)=default

Copy assignment operator.

rocrand_cpp::normal_distribution::param_type::mean

RealType mean() const

Returns the deviation distribution parameter.

Definition: rocrand.hpp:389

rocrand_cpp::normal_distribution::param_type::param_type

param_type(RealType mean=0.0, RealType stddev=1.0)

Constructs a param_type object with the given distribution parameters.

Definition: rocrand.hpp:375

rocrand_cpp::normal_distribution::param_type::operator==

bool operator==(const param_type &other) const

Returns true if the param_type is the same as other.

Definition: rocrand.hpp:403

rocrand_cpp::normal_distribution::param_type::stddev

RealType stddev() const

Returns the standard deviation distribution parameter.

Definition: rocrand.hpp:397

rocrand_cpp::normal_distribution::param_type::operator!=

bool operator!=(const param_type &other) const

Returns true if the param_type is different from other.

Definition: rocrand.hpp:409

rocrand_cpp::normal_distribution

Produces random numbers according to a normal distribution.

Definition: rocrand.hpp:351

rocrand_cpp::normal_distribution::max

static constexpr RealType max()

Returns the largest possible value that can be generated.

Definition: rocrand.hpp:461

rocrand_cpp::normal_distribution::normal_distribution

normal_distribution(const param_type &params)

Constructs a new distribution object.

Definition: rocrand.hpp:428

rocrand_cpp::normal_distribution::min

static constexpr RealType min()

Returns the smallest possible value that can be generated.

Definition: rocrand.hpp:455

rocrand_cpp::normal_distribution::param

void param(const param_type &params)

Sets the distribution parameter object.

Definition: rocrand.hpp:473

rocrand_cpp::normal_distribution::reset

static void reset()

Resets distribution's internal state if there is any.

Definition: rocrand.hpp:434

rocrand_cpp::normal_distribution::param

param_type param() const

Returns the distribution parameter object.

Definition: rocrand.hpp:467

rocrand_cpp::normal_distribution::mean

RealType mean() const

Returns the mean distribution parameter.

Definition: rocrand.hpp:441

rocrand_cpp::normal_distribution::operator()

void operator()(Generator &g, RealType *output, size_t size)

Fills output with normally distributed random floating-point values.

Definition: rocrand.hpp:497

rocrand_cpp::normal_distribution::operator==

bool operator==(const normal_distribution< RealType > &other) const

Returns true if the distribution is the same as other.

Definition: rocrand.hpp:507

rocrand_cpp::normal_distribution::result_type

RealType result_type

See description for RealType template parameter.

Definition: rocrand.hpp:357

rocrand_cpp::normal_distribution::normal_distribution

normal_distribution(RealType mean=0.0, RealType stddev=1.0)

Constructs a new distribution object.

Definition: rocrand.hpp:421

rocrand_cpp::normal_distribution::stddev

RealType stddev() const

Returns the standard deviation distribution parameter.

Definition: rocrand.hpp:449

rocrand_cpp::normal_distribution::operator!=

bool operator!=(const normal_distribution< RealType > &other) const

Returns true if the distribution is different from other.

Definition: rocrand.hpp:515

rocrand_cpp::philox4x32_10_engine

Pseudorandom number engine based Philox algorithm.

Definition: rocrand.hpp:921

rocrand_cpp::philox4x32_10_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:1130

rocrand_cpp::philox4x32_10_engine::default_seed

static constexpr seed_type default_seed

The default seed equal to DefaultSeed.

Definition: rocrand.hpp:945

rocrand_cpp::philox4x32_10_engine::philox4x32_10_engine

philox4x32_10_engine(philox4x32_10_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:1005

rocrand_cpp::philox4x32_10_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:1074

rocrand_cpp::philox4x32_10_engine::operator=

philox4x32_10_engine & operator=(philox4x32_10_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:1016

rocrand_cpp::philox4x32_10_engine::offset_type

unsigned long long offset_type

Definition: rocrand.hpp:938

rocrand_cpp::philox4x32_10_engine::philox4x32_10_engine

philox4x32_10_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:985

rocrand_cpp::philox4x32_10_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:1124

rocrand_cpp::philox4x32_10_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:1039

rocrand_cpp::philox4x32_10_engine::seed

void seed(seed_type value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:1090

rocrand_cpp::philox4x32_10_engine::seed_type

unsigned long long seed_type

Definition: rocrand.hpp:943

rocrand_cpp::philox4x32_10_engine::~philox4x32_10_engine

~philox4x32_10_engine() noexcept(false)

Definition: rocrand.hpp:1030

rocrand_cpp::philox4x32_10_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:1110

rocrand_cpp::philox4x32_10_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:1056

rocrand_cpp::philox4x32_10_engine::philox4x32_10_engine

philox4x32_10_engine(seed_type seed_value=DefaultSeed, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:954

rocrand_cpp::philox4x32_10_engine::result_type

unsigned int result_type

Definition: rocrand.hpp:925

rocrand_cpp::philox4x32_10_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:1118

rocrand_cpp::philox4x32_10_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:931

rocrand_cpp::poisson_distribution::param_type

The type of the distribution parameter set.

Definition: rocrand.hpp:773

rocrand_cpp::poisson_distribution::param_type::operator=

param_type & operator=(const param_type &params)=default

Copy assignment operator.

rocrand_cpp::poisson_distribution::param_type::mean

double mean() const

Returns the mean distribution parameter.

Definition: rocrand.hpp:796

rocrand_cpp::poisson_distribution::param_type::param_type

param_type(double mean=1.0)

Constructs a param_type object with the given mean.

Definition: rocrand.hpp:781

rocrand_cpp::poisson_distribution::param_type::param_type

param_type(const param_type &params)=default

Copy constructor.

rocrand_cpp::poisson_distribution::param_type::operator==

bool operator==(const param_type &other) const

Returns true if the param_type is the same as other.

Definition: rocrand.hpp:802

rocrand_cpp::poisson_distribution::param_type::operator!=

bool operator!=(const param_type &other) const

Returns true if the param_type is different from other.

Definition: rocrand.hpp:808

rocrand_cpp::poisson_distribution

Produces random non-negative integer values distributed according to Poisson distribution.

Definition: rocrand.hpp:760

rocrand_cpp::poisson_distribution::min

static constexpr IntType min()

Returns the smallest possible value that can be generated.

Definition: rocrand.hpp:846

rocrand_cpp::poisson_distribution::mean

double mean() const

Returns the mean distribution parameter.

Definition: rocrand.hpp:840

rocrand_cpp::poisson_distribution::operator==

bool operator==(const poisson_distribution< IntType > &other) const

Returns true if the distribution is the same as other.

Definition: rocrand.hpp:898

rocrand_cpp::poisson_distribution::result_type

IntType result_type

See description for IntType template parameter.

Definition: rocrand.hpp:764

rocrand_cpp::poisson_distribution::param

param_type param()

Returns the distribution parameter object.

Definition: rocrand.hpp:858

rocrand_cpp::poisson_distribution::reset

static void reset()

Resets distribution's internal state if there is any.

Definition: rocrand.hpp:832

rocrand_cpp::poisson_distribution::max

static constexpr IntType max()

Returns the largest possible value that can be generated.

Definition: rocrand.hpp:852

rocrand_cpp::poisson_distribution::operator()

void operator()(Generator &g, IntType *output, size_t size)

Fills output with random non-negative integer values distributed according to Poisson distribution.

Definition: rocrand.hpp:888

rocrand_cpp::poisson_distribution::poisson_distribution

poisson_distribution(const param_type &params)

Constructs a new distribution object.

Definition: rocrand.hpp:826

rocrand_cpp::poisson_distribution::poisson_distribution

poisson_distribution(double mean=1.0)

Constructs a new distribution object.

Definition: rocrand.hpp:819

rocrand_cpp::poisson_distribution::param

void param(const param_type &params)

Sets the distribution parameter object.

Definition: rocrand.hpp:864

rocrand_cpp::poisson_distribution::operator!=

bool operator!=(const poisson_distribution< IntType > &other) const

Returns true if the distribution is different from other.

Definition: rocrand.hpp:906

rocrand_cpp::scrambled_sobol32_engine

Sobol's scrambled quasi-random sequence generator.

Definition: rocrand.hpp:2401

rocrand_cpp::scrambled_sobol32_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:2561

rocrand_cpp::scrambled_sobol32_engine::result_type

unsigned int result_type

Definition: rocrand.hpp:2404

rocrand_cpp::scrambled_sobol32_engine::scrambled_sobol32_engine

scrambled_sobol32_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:2449

rocrand_cpp::scrambled_sobol32_engine::dimensions_num_type

unsigned int dimensions_num_type

Definition: rocrand.hpp:2413

rocrand_cpp::scrambled_sobol32_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:2497

rocrand_cpp::scrambled_sobol32_engine::scrambled_sobol32_engine

scrambled_sobol32_engine(scrambled_sobol32_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:2463

rocrand_cpp::scrambled_sobol32_engine::scrambled_sobol32_engine

scrambled_sobol32_engine(dimensions_num_type num_of_dimensions=DefaultNumDimensions, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_QUASI_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:2424

rocrand_cpp::scrambled_sobol32_engine::offset_type

unsigned long long offset_type

Definition: rocrand.hpp:2406

rocrand_cpp::scrambled_sobol32_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:2489

rocrand_cpp::scrambled_sobol32_engine::~scrambled_sobol32_engine

~scrambled_sobol32_engine() noexcept(false)

Definition: rocrand.hpp:2481

rocrand_cpp::scrambled_sobol32_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:2505

rocrand_cpp::scrambled_sobol32_engine::default_num_dimensions

static constexpr dimensions_num_type default_num_dimensions

The default number of dimenstions, equal to DefaultNumDimensions.

Definition: rocrand.hpp:2415

rocrand_cpp::scrambled_sobol32_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:2408

rocrand_cpp::scrambled_sobol32_engine::operator=

scrambled_sobol32_engine & operator=(scrambled_sobol32_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:2469

rocrand_cpp::scrambled_sobol32_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:2567

rocrand_cpp::scrambled_sobol32_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:2555

rocrand_cpp::scrambled_sobol32_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:2546

rocrand_cpp::scrambled_sobol32_engine::dimensions

void dimensions(dimensions_num_type value)

Set the number of dimensions of a quasi-random number generator.

Definition: rocrand.hpp:2522

rocrand_cpp::scrambled_sobol64_engine

Sobol's scrambled quasi-random sequence generator.

Definition: rocrand.hpp:2807

rocrand_cpp::scrambled_sobol64_engine::dimensions_num_type

unsigned int dimensions_num_type

Definition: rocrand.hpp:2819

rocrand_cpp::scrambled_sobol64_engine::scrambled_sobol64_engine

scrambled_sobol64_engine(scrambled_sobol64_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:2869

rocrand_cpp::scrambled_sobol64_engine::scrambled_sobol64_engine

scrambled_sobol64_engine(dimensions_num_type num_of_dimensions=DefaultNumDimensions, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_QUASI_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:2830

rocrand_cpp::scrambled_sobol64_engine::offset_type

unsigned long long int offset_type

Definition: rocrand.hpp:2814

rocrand_cpp::scrambled_sobol64_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:2961

rocrand_cpp::scrambled_sobol64_engine::result_type

unsigned long long int result_type

Definition: rocrand.hpp:2810

rocrand_cpp::scrambled_sobol64_engine::dimensions

void dimensions(dimensions_num_type value)

Set the number of dimensions of a quasi-random number generator.

Definition: rocrand.hpp:2928

rocrand_cpp::scrambled_sobol64_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:2967

rocrand_cpp::scrambled_sobol64_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:2911

rocrand_cpp::scrambled_sobol64_engine::default_num_dimensions

static constexpr dimensions_num_type default_num_dimensions

The default number of dimenstions, equal to DefaultNumDimensions.

Definition: rocrand.hpp:2821

rocrand_cpp::scrambled_sobol64_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:2812

rocrand_cpp::scrambled_sobol64_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:2952

rocrand_cpp::scrambled_sobol64_engine::operator=

scrambled_sobol64_engine & operator=(scrambled_sobol64_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:2875

rocrand_cpp::scrambled_sobol64_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:2903

rocrand_cpp::scrambled_sobol64_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:2895

rocrand_cpp::scrambled_sobol64_engine::~scrambled_sobol64_engine

~scrambled_sobol64_engine() noexcept(false)

Definition: rocrand.hpp:2887

rocrand_cpp::scrambled_sobol64_engine::scrambled_sobol64_engine

scrambled_sobol64_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:2855

rocrand_cpp::scrambled_sobol64_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:2973

rocrand_cpp::sobol32_engine

Sobol's quasi-random sequence generator.

Definition: rocrand.hpp:2200

rocrand_cpp::sobol32_engine::sobol32_engine

sobol32_engine(sobol32_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:2262

rocrand_cpp::sobol32_engine::result_type

unsigned int result_type

Definition: rocrand.hpp:2203

rocrand_cpp::sobol32_engine::sobol32_engine

sobol32_engine(dimensions_num_type num_of_dimensions=DefaultNumDimensions, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_QUASI_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:2223

rocrand_cpp::sobol32_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:2350

rocrand_cpp::sobol32_engine::dimensions

void dimensions(dimensions_num_type value)

Set the number of dimensions of a quasi-random number generator.

Definition: rocrand.hpp:2319

rocrand_cpp::sobol32_engine::sobol32_engine

sobol32_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:2247

rocrand_cpp::sobol32_engine::~sobol32_engine

~sobol32_engine() noexcept(false)

Definition: rocrand.hpp:2280

rocrand_cpp::sobol32_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:2295

rocrand_cpp::sobol32_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:2303

rocrand_cpp::sobol32_engine::offset_type

unsigned long long offset_type

Definition: rocrand.hpp:2207

rocrand_cpp::sobol32_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:2342

rocrand_cpp::sobol32_engine::operator=

sobol32_engine & operator=(sobol32_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:2268

rocrand_cpp::sobol32_engine::dimensions_num_type

unsigned int dimensions_num_type

Definition: rocrand.hpp:2212

rocrand_cpp::sobol32_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:2362

rocrand_cpp::sobol32_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:2205

rocrand_cpp::sobol32_engine::default_num_dimensions

static constexpr dimensions_num_type default_num_dimensions

The default number of dimenstions, equal to DefaultNumDimensions.

Definition: rocrand.hpp:2214

rocrand_cpp::sobol32_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:2356

rocrand_cpp::sobol32_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:2288

rocrand_cpp::sobol64_engine

Sobol's quasi-random sequence generator.

Definition: rocrand.hpp:2606

rocrand_cpp::sobol64_engine::dimensions

void dimensions(dimensions_num_type value)

Set the number of dimensions of a quasi-random number generator.

Definition: rocrand.hpp:2725

rocrand_cpp::sobol64_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:2709

rocrand_cpp::sobol64_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:2701

rocrand_cpp::sobol64_engine::result_type

unsigned long long int result_type

Definition: rocrand.hpp:2609

rocrand_cpp::sobol64_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:2768

rocrand_cpp::sobol64_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:2762

rocrand_cpp::sobol64_engine::sobol64_engine

sobol64_engine(dimensions_num_type num_of_dimensions=DefaultNumDimensions, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_QUASI_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:2629

rocrand_cpp::sobol64_engine::dimensions_num_type

unsigned int dimensions_num_type

Definition: rocrand.hpp:2618

rocrand_cpp::sobol64_engine::default_num_dimensions

static constexpr dimensions_num_type default_num_dimensions

The default number of dimenstions, equal to DefaultNumDimensions.

Definition: rocrand.hpp:2620

rocrand_cpp::sobol64_engine::operator=

sobol64_engine & operator=(sobol64_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:2674

rocrand_cpp::sobol64_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:2694

rocrand_cpp::sobol64_engine::offset_type

unsigned long long int offset_type

Definition: rocrand.hpp:2611

rocrand_cpp::sobol64_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:2756

rocrand_cpp::sobol64_engine::sobol64_engine

sobol64_engine(sobol64_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:2668

rocrand_cpp::sobol64_engine::sobol64_engine

sobol64_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:2653

rocrand_cpp::sobol64_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:2613

rocrand_cpp::sobol64_engine::~sobol64_engine

~sobol64_engine() noexcept(false)

Definition: rocrand.hpp:2686

rocrand_cpp::sobol64_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:2748

rocrand_cpp::threefry2x32_20_engine

Pseudorandom number engine based on 2 state ThreeFry.

Definition: rocrand.hpp:3011

rocrand_cpp::threefry2x32_20_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:3132

rocrand_cpp::threefry2x32_20_engine::result_type

unsigned int result_type

Definition: rocrand.hpp:3014

rocrand_cpp::threefry2x32_20_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:3090

rocrand_cpp::threefry2x32_20_engine::threefry2x32_20_engine

threefry2x32_20_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:3050

rocrand_cpp::threefry2x32_20_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:3144

rocrand_cpp::threefry2x32_20_engine::operator=

threefry2x32_20_engine & operator=(threefry2x32_20_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:3070

rocrand_cpp::threefry2x32_20_engine::threefry2x32_20_engine

threefry2x32_20_engine(seed_type seed_value=DefaultSeed, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:3025

rocrand_cpp::threefry2x32_20_engine::~threefry2x32_20_engine

~threefry2x32_20_engine() noexcept(false)

Definition: rocrand.hpp:3082

rocrand_cpp::threefry2x32_20_engine::seed_type

unsigned long long seed_type

Definition: rocrand.hpp:3020

rocrand_cpp::threefry2x32_20_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:3123

rocrand_cpp::threefry2x32_20_engine::seed

void seed(seed_type value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:3114

rocrand_cpp::threefry2x32_20_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:3106

rocrand_cpp::threefry2x32_20_engine::default_seed

static constexpr seed_type default_seed

The default seed equal to DefaultSeed.

Definition: rocrand.hpp:3022

rocrand_cpp::threefry2x32_20_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:3138

rocrand_cpp::threefry2x32_20_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:3016

rocrand_cpp::threefry2x32_20_engine::offset_type

unsigned long long offset_type

Definition: rocrand.hpp:3018

rocrand_cpp::threefry2x32_20_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:3098

rocrand_cpp::threefry2x32_20_engine::threefry2x32_20_engine

threefry2x32_20_engine(threefry2x32_20_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:3064

rocrand_cpp::threefry2x64_20_engine

Pseudorandom number engine based 2 state ThreeFry.

Definition: rocrand.hpp:3182

rocrand_cpp::threefry2x64_20_engine::seed_type

unsigned long long seed_type

Definition: rocrand.hpp:3191

rocrand_cpp::threefry2x64_20_engine::default_seed

static constexpr seed_type default_seed

The default seed equal to DefaultSeed.

Definition: rocrand.hpp:3193

rocrand_cpp::threefry2x64_20_engine::operator=

threefry2x64_20_engine & operator=(threefry2x64_20_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:3241

rocrand_cpp::threefry2x64_20_engine::result_type

unsigned long long result_type

Definition: rocrand.hpp:3185

rocrand_cpp::threefry2x64_20_engine::seed

void seed(seed_type value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:3285

rocrand_cpp::threefry2x64_20_engine::~threefry2x64_20_engine

~threefry2x64_20_engine() noexcept(false)

Definition: rocrand.hpp:3253

rocrand_cpp::threefry2x64_20_engine::threefry2x64_20_engine

threefry2x64_20_engine(seed_type seed_value=DefaultSeed, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:3196

rocrand_cpp::threefry2x64_20_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:3187

rocrand_cpp::threefry2x64_20_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:3315

rocrand_cpp::threefry2x64_20_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:3277

rocrand_cpp::threefry2x64_20_engine::threefry2x64_20_engine

threefry2x64_20_engine(threefry2x64_20_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:3235

rocrand_cpp::threefry2x64_20_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:3294

rocrand_cpp::threefry2x64_20_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:3269

rocrand_cpp::threefry2x64_20_engine::offset_type

unsigned long long offset_type

Definition: rocrand.hpp:3189

rocrand_cpp::threefry2x64_20_engine::threefry2x64_20_engine

threefry2x64_20_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:3221

rocrand_cpp::threefry2x64_20_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:3261

rocrand_cpp::threefry2x64_20_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:3303

rocrand_cpp::threefry2x64_20_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:3309

rocrand_cpp::threefry4x32_20_engine

Pseudorandom number engine based on 2 state ThreeFry.

Definition: rocrand.hpp:3353

rocrand_cpp::threefry4x32_20_engine::operator=

threefry4x32_20_engine & operator=(threefry4x32_20_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:3412

rocrand_cpp::threefry4x32_20_engine::~threefry4x32_20_engine

~threefry4x32_20_engine() noexcept(false)

Definition: rocrand.hpp:3424

rocrand_cpp::threefry4x32_20_engine::seed_type

unsigned long long seed_type

Definition: rocrand.hpp:3362

rocrand_cpp::threefry4x32_20_engine::threefry4x32_20_engine

threefry4x32_20_engine(threefry4x32_20_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:3406

rocrand_cpp::threefry4x32_20_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:3474

rocrand_cpp::threefry4x32_20_engine::threefry4x32_20_engine

threefry4x32_20_engine(seed_type seed_value=DefaultSeed, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:3367

rocrand_cpp::threefry4x32_20_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:3432

rocrand_cpp::threefry4x32_20_engine::result_type

unsigned int result_type

Definition: rocrand.hpp:3356

rocrand_cpp::threefry4x32_20_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:3448

rocrand_cpp::threefry4x32_20_engine::seed

void seed(seed_type value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:3456

rocrand_cpp::threefry4x32_20_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:3358

rocrand_cpp::threefry4x32_20_engine::threefry4x32_20_engine

threefry4x32_20_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:3392

rocrand_cpp::threefry4x32_20_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:3480

rocrand_cpp::threefry4x32_20_engine::offset_type

unsigned long long offset_type

Definition: rocrand.hpp:3360

rocrand_cpp::threefry4x32_20_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:3465

rocrand_cpp::threefry4x32_20_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:3486

rocrand_cpp::threefry4x32_20_engine::default_seed

static constexpr seed_type default_seed

The default seed equal to DefaultSeed.

Definition: rocrand.hpp:3364

rocrand_cpp::threefry4x32_20_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:3440

rocrand_cpp::threefry4x64_20_engine

Pseudorandom number engine based 2 state ThreeFry.

Definition: rocrand.hpp:3524

rocrand_cpp::threefry4x64_20_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:3645

rocrand_cpp::threefry4x64_20_engine::threefry4x64_20_engine

threefry4x64_20_engine(seed_type seed_value=DefaultSeed, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:3538

rocrand_cpp::threefry4x64_20_engine::threefry4x64_20_engine

threefry4x64_20_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:3563

rocrand_cpp::threefry4x64_20_engine::default_seed

static constexpr seed_type default_seed

The default seed equal to DefaultSeed.

Definition: rocrand.hpp:3535

rocrand_cpp::threefry4x64_20_engine::seed_type

unsigned long long seed_type

Definition: rocrand.hpp:3533

rocrand_cpp::threefry4x64_20_engine::operator=

threefry4x64_20_engine & operator=(threefry4x64_20_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:3583

rocrand_cpp::threefry4x64_20_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:3619

rocrand_cpp::threefry4x64_20_engine::~threefry4x64_20_engine

~threefry4x64_20_engine() noexcept(false)

Definition: rocrand.hpp:3595

rocrand_cpp::threefry4x64_20_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:3657

rocrand_cpp::threefry4x64_20_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:3603

rocrand_cpp::threefry4x64_20_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:3611

rocrand_cpp::threefry4x64_20_engine::offset_type

unsigned long long offset_type

Definition: rocrand.hpp:3531

rocrand_cpp::threefry4x64_20_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:3636

rocrand_cpp::threefry4x64_20_engine::threefry4x64_20_engine

threefry4x64_20_engine(threefry4x64_20_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:3577

rocrand_cpp::threefry4x64_20_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:3651

rocrand_cpp::threefry4x64_20_engine::result_type

unsigned long long result_type

Definition: rocrand.hpp:3527

rocrand_cpp::threefry4x64_20_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:3529

rocrand_cpp::threefry4x64_20_engine::seed

void seed(seed_type value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:3627

rocrand_cpp::uniform_int_distribution

Produces random integer values uniformly distributed on the interval [0, 2^(sizeof(IntType)*8) - 1].

Definition: rocrand.hpp:146

rocrand_cpp::uniform_int_distribution::operator!=

bool operator!=(const uniform_int_distribution< IntType > &other) const

Returns true if the distribution is different from other.

Definition: rocrand.hpp:213

rocrand_cpp::uniform_int_distribution::operator()

void operator()(Generator &g, IntType *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:198

rocrand_cpp::uniform_int_distribution::result_type

IntType result_type

See description for IntType template parameter.

Definition: rocrand.hpp:152

rocrand_cpp::uniform_int_distribution::operator==

bool operator==(const uniform_int_distribution< IntType > &other) const

Returns true if the distribution is the same as other.

Definition: rocrand.hpp:206

rocrand_cpp::uniform_int_distribution::uniform_int_distribution

uniform_int_distribution()

Default constructor.

Definition: rocrand.hpp:159

rocrand_cpp::uniform_int_distribution::max

static constexpr IntType max()

Returns the largest possible value that can be generated.

Definition: rocrand.hpp:175

rocrand_cpp::uniform_int_distribution::reset

static void reset()

Resets distribution's internal state if there is any.

Definition: rocrand.hpp:164

rocrand_cpp::uniform_int_distribution::min

static constexpr IntType min()

Returns the smallest possible value that can be generated.

Definition: rocrand.hpp:169

rocrand_cpp::uniform_real_distribution

Produces random floating-point values uniformly distributed on the interval (0, 1].

Definition: rocrand.hpp:252

rocrand_cpp::uniform_real_distribution::reset

static void reset()

Resets distribution's internal state if there is any.

Definition: rocrand.hpp:270

rocrand_cpp::uniform_real_distribution::min

static constexpr RealType min()

Returns the smallest possible value that can be generated.

Definition: rocrand.hpp:275

rocrand_cpp::uniform_real_distribution::max

static constexpr RealType max()

Returns the largest possible value that can be generated.

Definition: rocrand.hpp:281

rocrand_cpp::uniform_real_distribution::result_type

RealType result_type

See description for RealType template parameter.

Definition: rocrand.hpp:258

rocrand_cpp::uniform_real_distribution::uniform_real_distribution

uniform_real_distribution()

Default constructor.

Definition: rocrand.hpp:265

rocrand_cpp::uniform_real_distribution::operator!=

bool operator!=(const uniform_real_distribution< RealType > &other) const

Returns true if the distribution is different from other.

Definition: rocrand.hpp:319

rocrand_cpp::uniform_real_distribution::operator()

void operator()(Generator &g, RealType *output, size_t size)

Fills output with uniformly distributed random floating-point values.

Definition: rocrand.hpp:304

rocrand_cpp::uniform_real_distribution::operator==

bool operator==(const uniform_real_distribution< RealType > &other) const

Returns true if the distribution is the same as other.

Definition: rocrand.hpp:312

rocrand_cpp::xorwow_engine

Pseudorandom number engine based XORWOW algorithm.

Definition: rocrand.hpp:1168

rocrand_cpp::xorwow_engine::order

void order(order_type value)

Sets the order of a random number engine.

Definition: rocrand.hpp:1254

rocrand_cpp::xorwow_engine::stream

void stream(hipStream_t value)

Sets the random number engine's hipStream for kernel launches.

Definition: rocrand.hpp:1247

rocrand_cpp::xorwow_engine::type

static constexpr rocrand_rng_type type()

Returns type of the rocRAND pseudo-random number generator associated with the engine.

Definition: rocrand.hpp:1297

rocrand_cpp::xorwow_engine::seed

void seed(seed_type value)

Sets the seed of the pseudo-random number engine.

Definition: rocrand.hpp:1269

rocrand_cpp::xorwow_engine::min

static constexpr result_type min()

Returns the smallest possible value that can be generated by the engine.

Definition: rocrand.hpp:1285

rocrand_cpp::xorwow_engine::order_type

rocrand_ordering order_type

Definition: rocrand.hpp:1173

rocrand_cpp::xorwow_engine::max

static constexpr result_type max()

Returns the largest possible value that can be generated by the engine.

Definition: rocrand.hpp:1291

rocrand_cpp::xorwow_engine::xorwow_engine

xorwow_engine(xorwow_engine &&rhs) noexcept

Move construct from an other engine, moving the state over.

Definition: rocrand.hpp:1221

rocrand_cpp::xorwow_engine::xorwow_engine

xorwow_engine(seed_type seed_value=DefaultSeed, offset_type offset_value=0, order_type order_value=ROCRAND_ORDERING_PSEUDO_DEFAULT)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:1182

rocrand_cpp::xorwow_engine::xorwow_engine

xorwow_engine(rocrand_generator &generator)

Constructs the pseudo-random number engine.

Definition: rocrand.hpp:1206

rocrand_cpp::xorwow_engine::operator=

xorwow_engine & operator=(xorwow_engine &&rhs) noexcept

Move assign from an other engine, moving the state over.

Definition: rocrand.hpp:1227

rocrand_cpp::xorwow_engine::~xorwow_engine

~xorwow_engine() noexcept(false)

Definition: rocrand.hpp:1239

rocrand_cpp::xorwow_engine::operator()

void operator()(result_type *output, size_t size)

Fills output with uniformly distributed random integer values.

Definition: rocrand.hpp:1277

rocrand_cpp::xorwow_engine::offset

void offset(offset_type value)

Sets the offset of a random number engine.

Definition: rocrand.hpp:1262

rocrand_cpp::xorwow_engine::result_type

unsigned int result_type

Definition: rocrand.hpp:1171

rocrand_cpp::xorwow_engine::default_seed

static constexpr seed_type default_seed

The default seed equal to DefaultSeed.

Definition: rocrand.hpp:1179

rocrand_cpp::xorwow_engine::seed_type

unsigned long long seed_type

Definition: rocrand.hpp:1177

rocrand_cpp::xorwow_engine::offset_type

unsigned long long offset_type

Definition: rocrand.hpp:1175

ROCRAND_LFSR113_DEFAULT_SEED_Y

#define ROCRAND_LFSR113_DEFAULT_SEED_Y

Default Y seed for LFSR113 PRNG.

Definition: rocrand_lfsr113.h:36

ROCRAND_LFSR113_DEFAULT_SEED_W

#define ROCRAND_LFSR113_DEFAULT_SEED_W

Default W seed for LFSR113 PRNG.

Definition: rocrand_lfsr113.h:42

ROCRAND_LFSR113_DEFAULT_SEED_Z

#define ROCRAND_LFSR113_DEFAULT_SEED_Z

Default Z seed for LFSR113 PRNG.

Definition: rocrand_lfsr113.h:39

ROCRAND_LFSR113_DEFAULT_SEED_X

#define ROCRAND_LFSR113_DEFAULT_SEED_X

Default X seed for LFSR113 PRNG.

Definition: rocrand_lfsr113.h:33

rocrand_generate_short

rocrand_status ROCRANDAPI rocrand_generate_short(rocrand_generator generator, unsigned short *output_data, size_t n)

Generates uniformly distributed 16-bit unsigned integers.

rocrand_generate_normal

rocrand_status ROCRANDAPI rocrand_generate_normal(rocrand_generator generator, float *output_data, size_t n, float mean, float stddev)

Generates normally distributed float values.

rocrand_set_offset

rocrand_status ROCRANDAPI rocrand_set_offset(rocrand_generator generator, unsigned long long offset)

Sets the offset of a random number generator.

rocrand_generate_normal_double

rocrand_status ROCRANDAPI rocrand_generate_normal_double(rocrand_generator generator, double *output_data, size_t n, double mean, double stddev)

Generates normally distributed double values.

rocrand_ordering

rocrand_ordering

rocRAND generator ordering

Definition: rocrand.h:107

rocrand_generate_char

rocrand_status ROCRANDAPI rocrand_generate_char(rocrand_generator generator, unsigned char *output_data, size_t n)

Generates uniformly distributed 8-bit unsigned integers.

rocrand_generate_log_normal

rocrand_status ROCRANDAPI rocrand_generate_log_normal(rocrand_generator generator, float *output_data, size_t n, float mean, float stddev)

Generates log-normally distributed float values.

rocrand_status

rocrand_status

rocRAND function call status type

Definition: rocrand.h:59

rocrand_create_generator

rocrand_status ROCRANDAPI rocrand_create_generator(rocrand_generator *generator, rocrand_rng_type rng_type)

Creates a new random number generator.

rocrand_rng_type

rocrand_rng_type

rocRAND generator type

Definition: rocrand.h:78

rocrand_generate_long_long

rocrand_status ROCRANDAPI rocrand_generate_long_long(rocrand_generator generator, unsigned long long int *output_data, size_t n)

Generates uniformly distributed 64-bit unsigned integers.

rocrand_generate_uniform_half

rocrand_status ROCRANDAPI rocrand_generate_uniform_half(rocrand_generator generator, half *output_data, size_t n)

Generates uniformly distributed half-precision floating-point values.

rocrand_set_stream

rocrand_status ROCRANDAPI rocrand_set_stream(rocrand_generator generator, hipStream_t stream)

Sets the current stream for kernel launches.

rocrand_generate_normal_half

rocrand_status ROCRANDAPI rocrand_generate_normal_half(rocrand_generator generator, half *output_data, size_t n, half mean, half stddev)

Generates normally distributed half values.

rocrand_generate_uniform_double

rocrand_status ROCRANDAPI rocrand_generate_uniform_double(rocrand_generator generator, double *output_data, size_t n)

Generates uniformly distributed double-precision floating-point values.

rocrand_generate_uniform

rocrand_status ROCRANDAPI rocrand_generate_uniform(rocrand_generator generator, float *output_data, size_t n)

Generates uniformly distributed float values.

rocrand_set_ordering

rocrand_status ROCRANDAPI rocrand_set_ordering(rocrand_generator generator, rocrand_ordering order)

Sets the ordering of a random number generator.

rocrand_generate_poisson

rocrand_status ROCRANDAPI rocrand_generate_poisson(rocrand_generator generator, unsigned int *output_data, size_t n, double lambda)

Generates Poisson-distributed 32-bit unsigned integers.

rocrand_set_quasi_random_generator_dimensions

rocrand_status ROCRANDAPI rocrand_set_quasi_random_generator_dimensions(rocrand_generator generator, unsigned int dimensions)

Set the number of dimensions of a quasi-random number generator.

rocrand_get_version

rocrand_status ROCRANDAPI rocrand_get_version(int *version)

Returns the version number of the library.

rocrand_set_seed_uint4

rocrand_status ROCRANDAPI rocrand_set_seed_uint4(rocrand_generator generator, uint4 seed)

Sets the seeds of a pseudo-random number generator.

rocrand_generate

rocrand_status ROCRANDAPI rocrand_generate(rocrand_generator generator, unsigned int *output_data, size_t n)

Generates uniformly distributed 32-bit unsigned integers.

rocrand_generate_log_normal_double

rocrand_status ROCRANDAPI rocrand_generate_log_normal_double(rocrand_generator generator, double *output_data, size_t n, double mean, double stddev)

Generates log-normally distributed double values.

rocrand_set_seed

rocrand_status ROCRANDAPI rocrand_set_seed(rocrand_generator generator, unsigned long long seed)

Sets the seed of a pseudo-random number generator.

rocrand_generate_log_normal_half

rocrand_status ROCRANDAPI rocrand_generate_log_normal_half(rocrand_generator generator, half *output_data, size_t n, half mean, half stddev)

Generates log-normally distributed half values.

rocrand_destroy_generator

rocrand_status ROCRANDAPI rocrand_destroy_generator(rocrand_generator generator)

Destroys random number generator.

ROCRAND_ORDERING_PSEUDO_DEFAULT

@ ROCRAND_ORDERING_PSEUDO_DEFAULT

Default ordering for pseudorandom results.

Definition: rocrand.h:109

ROCRAND_ORDERING_QUASI_DEFAULT

@ ROCRAND_ORDERING_QUASI_DEFAULT

n-dimensional ordering for quasirandom results

Definition: rocrand.h:114

ROCRAND_STATUS_NOT_CREATED

@ ROCRAND_STATUS_NOT_CREATED

Generator was not created using rocrand_create_generator.

Definition: rocrand.h:62

ROCRAND_STATUS_LAUNCH_FAILURE

@ ROCRAND_STATUS_LAUNCH_FAILURE

Kernel launch failure.

Definition: rocrand.h:70

ROCRAND_STATUS_VERSION_MISMATCH

@ ROCRAND_STATUS_VERSION_MISMATCH

Header file and linked library version do not match.

Definition: rocrand.h:61

ROCRAND_STATUS_LENGTH_NOT_MULTIPLE

@ ROCRAND_STATUS_LENGTH_NOT_MULTIPLE

Definition: rocrand.h:66

ROCRAND_STATUS_DOUBLE_PRECISION_REQUIRED

@ ROCRAND_STATUS_DOUBLE_PRECISION_REQUIRED

GPU does not have double precision.

Definition: rocrand.h:69

ROCRAND_STATUS_SUCCESS

@ ROCRAND_STATUS_SUCCESS

No errors.

Definition: rocrand.h:60

ROCRAND_STATUS_INTERNAL_ERROR

@ ROCRAND_STATUS_INTERNAL_ERROR

Internal library error.

Definition: rocrand.h:71

ROCRAND_STATUS_OUT_OF_RANGE

@ ROCRAND_STATUS_OUT_OF_RANGE

Argument out of range.

Definition: rocrand.h:65

ROCRAND_STATUS_ALLOCATION_FAILED

@ ROCRAND_STATUS_ALLOCATION_FAILED

Memory allocation failed during execution.

Definition: rocrand.h:63

ROCRAND_STATUS_TYPE_ERROR

@ ROCRAND_STATUS_TYPE_ERROR

Generator type is wrong.

Definition: rocrand.h:64

ROCRAND_RNG_QUASI_SOBOL64

@ ROCRAND_RNG_QUASI_SOBOL64

Sobol64 quasirandom generator.

Definition: rocrand.h:98

ROCRAND_RNG_PSEUDO_LFSR113

@ ROCRAND_RNG_PSEUDO_LFSR113

LFSR113 pseudorandom generator.

Definition: rocrand.h:85

ROCRAND_RNG_PSEUDO_THREEFRY2_64_20

@ ROCRAND_RNG_PSEUDO_THREEFRY2_64_20

ThreeFry 64 bit state size 2 pseudorandom generator.

Definition: rocrand.h:89

ROCRAND_RNG_PSEUDO_XORWOW

@ ROCRAND_RNG_PSEUDO_XORWOW

XORWOW pseudorandom generator.

Definition: rocrand.h:80

ROCRAND_RNG_PSEUDO_THREEFRY4_32_20

@ ROCRAND_RNG_PSEUDO_THREEFRY4_32_20

ThreeFry 32 bit state size 4 pseudorandom generator.

Definition: rocrand.h:91

ROCRAND_RNG_PSEUDO_MRG31K3P

@ ROCRAND_RNG_PSEUDO_MRG31K3P

MRG31k3p pseudorandom generator.

Definition: rocrand.h:84

ROCRAND_RNG_PSEUDO_MT19937

@ ROCRAND_RNG_PSEUDO_MT19937

Mersenne Twister MT19937 pseudorandom generator.

Definition: rocrand.h:86

ROCRAND_RNG_PSEUDO_PHILOX4_32_10

@ ROCRAND_RNG_PSEUDO_PHILOX4_32_10

PHILOX-4x32-10 pseudorandom generator.

Definition: rocrand.h:83

ROCRAND_RNG_PSEUDO_THREEFRY2_32_20

@ ROCRAND_RNG_PSEUDO_THREEFRY2_32_20

ThreeFry 32 bit state size 2 pseudorandom generator.

Definition: rocrand.h:87

ROCRAND_RNG_PSEUDO_THREEFRY4_64_20

@ ROCRAND_RNG_PSEUDO_THREEFRY4_64_20

ThreeFry 64 bit state size 4 pseudorandom generator.

Definition: rocrand.h:93

ROCRAND_RNG_PSEUDO_MTGP32

@ ROCRAND_RNG_PSEUDO_MTGP32

Mersenne Twister MTGP32 pseudorandom generator.

Definition: rocrand.h:82

ROCRAND_RNG_QUASI_SOBOL32

@ ROCRAND_RNG_QUASI_SOBOL32

Sobol32 quasirandom generator.

Definition: rocrand.h:96

ROCRAND_RNG_QUASI_SCRAMBLED_SOBOL32

@ ROCRAND_RNG_QUASI_SCRAMBLED_SOBOL32

Scrambled Sobol32 quasirandom generator.

Definition: rocrand.h:97

ROCRAND_RNG_QUASI_SCRAMBLED_SOBOL64

@ ROCRAND_RNG_QUASI_SCRAMBLED_SOBOL64

Scrambled Sobol64 quasirandom generator.

Definition: rocrand.h:99

ROCRAND_RNG_PSEUDO_MRG32K3A

@ ROCRAND_RNG_PSEUDO_MRG32K3A

MRG32k3a pseudorandom generator.

Definition: rocrand.h:81

rocrand_cpp::threefry2x32

threefry2x32_20_engine threefry2x32

Typedef of rocrand_cpp::threefry2x32_20_engine PRNG engine with default seed (0).

Definition: rocrand.hpp:3713

rocrand_cpp::mrg31k3p

mrg31k3p_engine mrg31k3p

Typedef of rocrand_cpp::mrg31k3p_engine PRNG engine with default seed (ROCRAND_MRG31K3P_DEFAULT_SEED)...

Definition: rocrand.hpp:3697

rocrand_cpp::version

int version()

Returns rocRAND version.

Definition: rocrand.hpp:3771

rocrand_cpp::mrg32k3a

mrg32k3a_engine mrg32k3a

Typedef of rocrand_cpp::mrg32k3a_engine PRNG engine with default seed (ROCRAND_MRG32K3A_DEFAULT_SEED)...

Definition: rocrand.hpp:3700

rocrand_cpp::scrambled_sobol64

scrambled_sobol64_engine scrambled_sobol64

Typedef of rocrand_cpp::scrambled_sobol64_engine QRNG engine with default number of dimensions (1).

Definition: rocrand.hpp:3734

rocrand_cpp::scrambled_sobol32

scrambled_sobol32_engine scrambled_sobol32

Typedef of rocrand_cpp::scrambled_sobol32_engine QRNG engine with default number of dimensions (1).

Definition: rocrand.hpp:3728

rocrand_cpp::sobol64

sobol64_engine sobol64

Typedef of rocrand_cpp::sobol64_engine QRNG engine with default number of dimensions (1).

Definition: rocrand.hpp:3731

rocrand_cpp::mt19937

mt19937_engine mt19937

Typedef of rocrand_cpp::mt19937_engine PRNG engine with default seed (0).

Definition: rocrand.hpp:3710

rocrand_cpp::sobol32

sobol32_engine sobol32

Typedef of rocrand_cpp::sobol32_engine QRNG engine with default number of dimensions (1).

Definition: rocrand.hpp:3725

rocrand_cpp::lfsr113

lfsr113_engine lfsr113

Typedef of rocrand_cpp::lfsr113_engine PRNG engine with default seed (ROCRAND_LFSR113_DEFAULT_SEED_X,...

Definition: rocrand.hpp:3707

rocrand_cpp::threefry4x64

threefry4x64_20_engine threefry4x64

Typedef of rocrand_cpp::threefry4x64_20_engine PRNG engine with default seed (0).

Definition: rocrand.hpp:3722

rocrand_cpp::xorwow

xorwow_engine xorwow

Typedef of rocrand_cpp::xorwow_engine PRNG engine with default seed (ROCRAND_XORWOW_DEFAULT_SEED).

Definition: rocrand.hpp:3694

rocrand_cpp::threefry4x32

threefry4x32_20_engine threefry4x32

Typedef of rocrand_cpp::threefry4x32_20_engine PRNG engine with default seed (0).

Definition: rocrand.hpp:3719

rocrand_cpp::threefry2x64

threefry2x64_20_engine threefry2x64

Typedef of rocrand_cpp::threefry2x64_20_engine PRNG engine with default seed (0).

Definition: rocrand.hpp:3716

rocrand_cpp::default_random_engine

xorwow default_random_engine

Default random engine.

Definition: rocrand.hpp:3738

rocrand_cpp::philox4x32_10

philox4x32_10_engine philox4x32_10

Typedef of rocrand_cpp::philox4x32_10_engine PRNG engine with default seed (ROCRAND_PHILOX4x32_DEFAUL...

Definition: rocrand.hpp:3691

rocrand_cpp::mtgp32

mtgp32_engine mtgp32

Typedef of rocrand_cpp::mtgp32_engine PRNG engine with default seed (0).

Definition: rocrand.hpp:3703

rocrand_cpp::random_device

std::random_device random_device

A non-deterministic uniform random number generator.

Definition: rocrand.hpp:3767

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