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API library: /home/docs/checkouts/readthedocs.org/user_builds/advanced-micro-devices-rocrand/checkouts/docs-6.1.2/library/include/rocrand/rocrand_normal.h Source File
API library
 // Copyright (c) 2017-2022 Advanced Micro Devices, Inc. All rights reserved.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
 // in the Software without restriction, including without limitation the rights
 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 // copies of the Software, and to permit persons to whom the Software is
 // furnished to do so, subject to the following conditions:
 //
 // The above copyright notice and this permission notice shall be included in
 // all copies or substantial portions of the Software.
 //
 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
  
 #ifndef ROCRAND_NORMAL_H_
 #define ROCRAND_NORMAL_H_
  
 #ifndef FQUALIFIERS
 #define FQUALIFIERS __forceinline__ __device__
 #endif // FQUALIFIERS
  
 #include <math.h>
  
 #include "rocrand/rocrand_lfsr113.h"
 #include "rocrand/rocrand_mrg31k3p.h"
 #include "rocrand/rocrand_mrg32k3a.h"
 #include "rocrand/rocrand_mtgp32.h"
 #include "rocrand/rocrand_philox4x32_10.h"
 #include "rocrand/rocrand_scrambled_sobol32.h"
 #include "rocrand/rocrand_scrambled_sobol64.h"
 #include "rocrand/rocrand_sobol32.h"
 #include "rocrand/rocrand_sobol64.h"
 #include "rocrand/rocrand_threefry2x32_20.h"
 #include "rocrand/rocrand_threefry2x64_20.h"
 #include "rocrand/rocrand_threefry4x32_20.h"
 #include "rocrand/rocrand_threefry4x64_20.h"
 #include "rocrand/rocrand_xorwow.h"
  
 #include "rocrand/rocrand_uniform.h"
  
 namespace rocrand_device {
 namespace detail {
  
 FQUALIFIERS
 float2 box_muller(unsigned int x, unsigned int y)
 {
     float2 result;
     float u = ROCRAND_2POW32_INV + (x * ROCRAND_2POW32_INV);
     float v = ROCRAND_2POW32_INV_2PI + (y * ROCRAND_2POW32_INV_2PI);
     float s = sqrtf(-2.0f * logf(u));
     #ifdef __HIP_DEVICE_COMPILE__
         __sincosf(v, &result.x, &result.y);
         result.x *= s;
         result.y *= s;
     #else
         result.x = sinf(v) * s;
         result.y = cosf(v) * s;
     #endif
     return result;
 }
  
 FQUALIFIERS float2 box_muller(unsigned long long v)
 {
     unsigned int x = static_cast<unsigned int>(v);
     unsigned int y = static_cast<unsigned int>(v >> 32);
  
     return box_muller(x, y);
 }
  
 FQUALIFIERS
 double2 box_muller_double(uint4 v)
 {
     double2 result;
     unsigned long long int v1 = (unsigned long long int)v.x ^
         ((unsigned long long int)v.y << (53 - 32));
     double u = ROCRAND_2POW53_INV_DOUBLE + (v1 * ROCRAND_2POW53_INV_DOUBLE);
     unsigned long long int v2 = (unsigned long long int)v.z ^
         ((unsigned long long int)v.w << (53 - 32));
     double w = (ROCRAND_2POW53_INV_DOUBLE * 2.0) +
         (v2 * (ROCRAND_2POW53_INV_DOUBLE * 2.0));
     double s = sqrt(-2.0 * log(u));
     #ifdef __HIP_DEVICE_COMPILE__
         sincospi(w, &result.x, &result.y);
         result.x *= s;
         result.y *= s;
     #else
         result.x = sin(w * ROCRAND_PI_DOUBLE) * s;
         result.y = cos(w * ROCRAND_PI_DOUBLE) * s;
     #endif
     return result;
 }
  
 FQUALIFIERS double2 box_muller_double(ulonglong2 v)
 {
     unsigned int x = static_cast<unsigned int>(v.x);
     unsigned int y = static_cast<unsigned int>(v.x >> 32);
     unsigned int z = static_cast<unsigned int>(v.y);
     unsigned int w = static_cast<unsigned int>(v.y >> 32);
  
     return box_muller_double(make_uint4(x, y, z, w));
 }
  
 FQUALIFIERS
 __half2 box_muller_half(unsigned short x, unsigned short y)
 {
     #if defined(ROCRAND_HALF_MATH_SUPPORTED)
     __half u = __float2half(ROCRAND_2POW16_INV + (x * ROCRAND_2POW16_INV));
     __half v = __float2half(ROCRAND_2POW16_INV_2PI + (y * ROCRAND_2POW16_INV_2PI));
     __half s = hsqrt(__hmul(__float2half(-2.0f), hlog(u)));
     return __half2 {
         __hmul(hsin(v), s),
         __hmul(hcos(v), s)
     };
     #else
     float2 r;
     float u = ROCRAND_2POW16_INV + (x * ROCRAND_2POW16_INV);
     float v = ROCRAND_2POW16_INV_2PI + (y * ROCRAND_2POW16_INV_2PI);
     float s = sqrtf(-2.0f * logf(u));
     #ifdef __HIP_DEVICE_COMPILE__
         __sincosf(v, &r.x, &r.y);
         r.x *= s;
         r.y *= s;
     #else
         r.x = sinf(v) * s;
         r.y = cosf(v) * s;
     #endif
     return __half2 {
         __float2half(r.x),
         __float2half(r.y)
     };
     #endif
 }
  
 template<typename state_type>
 FQUALIFIERS float2 mrg_box_muller(unsigned int x, unsigned int y)
 {
     float2 result;
     float  u = rocrand_device::detail::mrg_uniform_distribution<state_type>(x);
     float  v = rocrand_device::detail::mrg_uniform_distribution<state_type>(y) * ROCRAND_2PI;
     float s = sqrtf(-2.0f * logf(u));
     #ifdef __HIP_DEVICE_COMPILE__
         __sincosf(v, &result.x, &result.y);
         result.x *= s;
         result.y *= s;
     #else
         result.x = sinf(v) * s;
         result.y = cosf(v) * s;
     #endif
     return result;
 }
  
 template<typename state_type>
 FQUALIFIERS double2 mrg_box_muller_double(unsigned int x, unsigned int y)
 {
     double2 result;
     double  u = rocrand_device::detail::mrg_uniform_distribution<state_type>(x);
     double  v = rocrand_device::detail::mrg_uniform_distribution<state_type>(y) * 2.0;
     double s = sqrt(-2.0 * log(u));
     #ifdef __HIP_DEVICE_COMPILE__
         sincospi(v, &result.x, &result.y);
         result.x *= s;
         result.y *= s;
     #else
         result.x = sin(v * ROCRAND_PI_DOUBLE) * s;
         result.y = cos(v * ROCRAND_PI_DOUBLE) * s;
     #endif
     return result;
 }
  
 FQUALIFIERS
 float roc_f_erfinv(float x)
 {
     float tt1, tt2, lnx, sgn;
     sgn = (x < 0.0f) ? -1.0f : 1.0f;
  
     x = (1.0f - x) * (1.0f + x);
     lnx = logf(x);
  
     #ifdef __HIP_DEVICE_COMPILE__
     if (isnan(lnx))
     #else
     if (std::isnan(lnx))
     #endif
         return 1.0f;
     #ifdef __HIP_DEVICE_COMPILE__
     else if (isinf(lnx))
     #else
     else if (std::isinf(lnx))
     #endif
         return 0.0f;
  
     tt1 = 2.0f / (ROCRAND_PI * 0.147f) + 0.5f * lnx;
     tt2 = 1.0f / (0.147f) * lnx;
  
     return(sgn * sqrtf(-tt1 + sqrtf(tt1 * tt1 - tt2)));
 }
  
 FQUALIFIERS
 double roc_d_erfinv(double x)
 {
     double tt1, tt2, lnx, sgn;
     sgn = (x < 0.0) ? -1.0 : 1.0;
  
     x = (1.0 - x) * (1.0 + x);
     lnx = log(x);
  
     #ifdef __HIP_DEVICE_COMPILE__
     if (isnan(lnx))
     #else
     if (std::isnan(lnx))
     #endif
         return 1.0;
     #ifdef __HIP_DEVICE_COMPILE__
     else if (isinf(lnx))
     #else
     else if (std::isinf(lnx))
     #endif
         return 0.0;
  
     tt1 = 2.0 / (ROCRAND_PI_DOUBLE * 0.147) + 0.5 * lnx;
     tt2 = 1.0 / (0.147) * lnx;
  
     return(sgn * sqrt(-tt1 + sqrt(tt1 * tt1 - tt2)));
 }
  
 FQUALIFIERS
 float normal_distribution(unsigned int x)
 {
     float p = ::rocrand_device::detail::uniform_distribution(x);
     float v = ROCRAND_SQRT2 * ::rocrand_device::detail::roc_f_erfinv(2.0f * p - 1.0f);
     return v;
 }
  
 FQUALIFIERS
 float normal_distribution(unsigned long long int x)
 {
     float p = ::rocrand_device::detail::uniform_distribution(x);
     float v = ROCRAND_SQRT2 * ::rocrand_device::detail::roc_f_erfinv(2.0f * p - 1.0f);
     return v;
 }
  
 FQUALIFIERS
 float2 normal_distribution2(unsigned int v1, unsigned int v2)
 {
     return ::rocrand_device::detail::box_muller(v1, v2);
 }
  
 FQUALIFIERS float2 normal_distribution2(uint2 v)
 {
     return ::rocrand_device::detail::box_muller(v.x, v.y);
 }
  
 FQUALIFIERS float2 normal_distribution2(unsigned long long v)
 {
     return ::rocrand_device::detail::box_muller(v);
 }
  
 FQUALIFIERS
 float4 normal_distribution4(uint4 v)
 {
     float2 r1 = ::rocrand_device::detail::box_muller(v.x, v.y);
     float2 r2 = ::rocrand_device::detail::box_muller(v.z, v.w);
     return float4{
         r1.x,
         r1.y,
         r2.x,
         r2.y
     };
 }
  
 FQUALIFIERS float4 normal_distribution4(longlong2 v)
 {
     float2 r1 = ::rocrand_device::detail::box_muller(v.x);
     float2 r2 = ::rocrand_device::detail::box_muller(v.y);
     return float4{r1.x, r1.y, r2.x, r2.y};
 }
  
 FQUALIFIERS float4 normal_distribution4(unsigned long long v1, unsigned long long v2)
 {
     float2 r1 = ::rocrand_device::detail::box_muller(v1);
     float2 r2 = ::rocrand_device::detail::box_muller(v2);
     return float4{r1.x, r1.y, r2.x, r2.y};
 }
  
 FQUALIFIERS
 double normal_distribution_double(unsigned int x)
 {
     double p = ::rocrand_device::detail::uniform_distribution_double(x);
     double v = ROCRAND_SQRT2 * ::rocrand_device::detail::roc_d_erfinv(2.0 * p - 1.0);
     return v;
 }
  
 FQUALIFIERS
 double normal_distribution_double(unsigned long long int x)
 {
     double p = ::rocrand_device::detail::uniform_distribution_double(x);
     double v = ROCRAND_SQRT2 * ::rocrand_device::detail::roc_d_erfinv(2.0 * p - 1.0);
     return v;
 }
  
 FQUALIFIERS
 double2 normal_distribution_double2(uint4 v)
 {
     return ::rocrand_device::detail::box_muller_double(v);
 }
  
 FQUALIFIERS double2 normal_distribution_double2(ulonglong2 v)
 {
     return ::rocrand_device::detail::box_muller_double(v);
 }
  
 FQUALIFIERS
 __half2 normal_distribution_half2(unsigned int v)
 {
     return ::rocrand_device::detail::box_muller_half(
         static_cast<unsigned short>(v),
         static_cast<unsigned short>(v >> 16)
     );
 }
  
 FQUALIFIERS __half2 normal_distribution_half2(unsigned long long v)
 {
     return ::rocrand_device::detail::box_muller_half(static_cast<unsigned short>(v),
                                                      static_cast<unsigned short>(v >> 32));
 }
  
 template<typename state_type>
 FQUALIFIERS float2 mrg_normal_distribution2(unsigned int v1, unsigned int v2)
 {
     return ::rocrand_device::detail::mrg_box_muller<state_type>(v1, v2);
 }
  
 template<typename state_type>
 FQUALIFIERS double2 mrg_normal_distribution_double2(unsigned int v1, unsigned int v2)
 {
     return ::rocrand_device::detail::mrg_box_muller_double<state_type>(v1, v2);
 }
  
 template<typename state_type>
 FQUALIFIERS __half2 mrg_normal_distribution_half2(unsigned int v)
 {
     v = rocrand_device::detail::mrg_uniform_distribution_uint<state_type>(v);
     return ::rocrand_device::detail::box_muller_half(
         static_cast<unsigned short>(v),
         static_cast<unsigned short>(v >> 16)
     );
 }
  
 } // end namespace detail
 } // end namespace rocrand_device
  
 #ifndef ROCRAND_DETAIL_PHILOX_BM_NOT_IN_STATE
 FQUALIFIERS
 float rocrand_normal(rocrand_state_philox4x32_10 * state)
 {
     typedef rocrand_device::detail::engine_boxmuller_helper<rocrand_state_philox4x32_10> bm_helper;
  
     if(bm_helper::has_float(state))
     {
         return bm_helper::get_float(state);
     }
  
     auto state1 = rocrand(state);
     auto state2 = rocrand(state);
  
     float2 r = rocrand_device::detail::normal_distribution2(state1, state2);
     bm_helper::save_float(state, r.y);
     return r.x;
 }
 #endif // ROCRAND_DETAIL_PHILOX_BM_NOT_IN_STATE
  
 FQUALIFIERS
 float2 rocrand_normal2(rocrand_state_philox4x32_10 * state)
 {
     auto state1 = rocrand(state);
     auto state2 = rocrand(state);
  
     return rocrand_device::detail::normal_distribution2(state1, state2);
 }
  
 FQUALIFIERS
 float4 rocrand_normal4(rocrand_state_philox4x32_10 * state)
 {
     return rocrand_device::detail::normal_distribution4(rocrand4(state));
 }
  
 #ifndef ROCRAND_DETAIL_PHILOX_BM_NOT_IN_STATE
 FQUALIFIERS
 double rocrand_normal_double(rocrand_state_philox4x32_10 * state)
 {
     typedef rocrand_device::detail::engine_boxmuller_helper<rocrand_state_philox4x32_10> bm_helper;
  
     if(bm_helper::has_double(state))
     {
         return bm_helper::get_double(state);
     }
     double2 r = rocrand_device::detail::normal_distribution_double2(rocrand4(state));
     bm_helper::save_double(state, r.y);
     return r.x;
 }
 #endif // ROCRAND_DETAIL_PHILOX_BM_NOT_IN_STATE
  
 FQUALIFIERS
 double2 rocrand_normal_double2(rocrand_state_philox4x32_10 * state)
 {
     return rocrand_device::detail::normal_distribution_double2(rocrand4(state));
 }
  
 FQUALIFIERS
 double4 rocrand_normal_double4(rocrand_state_philox4x32_10 * state)
 {
     double2 r1, r2;
     r1 = rocrand_device::detail::normal_distribution_double2(rocrand4(state));
     r2 = rocrand_device::detail::normal_distribution_double2(rocrand4(state));
     return double4 {
         r1.x, r1.y, r2.x, r2.y
     };
 }
  
 #ifndef ROCRAND_DETAIL_MRG31K3P_BM_NOT_IN_STATE
 FQUALIFIERS float rocrand_normal(rocrand_state_mrg31k3p* state)
 {
     typedef rocrand_device::detail::engine_boxmuller_helper<rocrand_state_mrg31k3p> bm_helper;
  
     if(bm_helper::has_float(state))
     {
         return bm_helper::get_float(state);
     }
  
     auto state1 = state->next();
     auto state2 = state->next();
  
     float2 r
         = rocrand_device::detail::mrg_normal_distribution2<rocrand_state_mrg31k3p>(state1, state2);
     bm_helper::save_float(state, r.y);
     return r.x;
 }
 #endif // ROCRAND_DETAIL_MRG31K3P_BM_NOT_IN_STATE
  
 FQUALIFIERS float2 rocrand_normal2(rocrand_state_mrg31k3p* state)
 {
     auto state1 = state->next();
     auto state2 = state->next();
  
     return rocrand_device::detail::mrg_normal_distribution2<rocrand_state_mrg31k3p>(state1, state2);
 }
  
 #ifndef ROCRAND_DETAIL_MRG31K3P_BM_NOT_IN_STATE
 FQUALIFIERS double rocrand_normal_double(rocrand_state_mrg31k3p* state)
 {
     typedef rocrand_device::detail::engine_boxmuller_helper<rocrand_state_mrg31k3p> bm_helper;
  
     if(bm_helper::has_double(state))
     {
         return bm_helper::get_double(state);
     }
  
     auto state1 = state->next();
     auto state2 = state->next();
  
     double2 r
         = rocrand_device::detail::mrg_normal_distribution_double2<rocrand_state_mrg31k3p>(state1,
                                                                                           state2);
     bm_helper::save_double(state, r.y);
     return r.x;
 }
 #endif // ROCRAND_DETAIL_MRG31K3P_BM_NOT_IN_STATE
  
 FQUALIFIERS double2 rocrand_normal_double2(rocrand_state_mrg31k3p* state)
 {
     auto state1 = state->next();
     auto state2 = state->next();
  
     return rocrand_device::detail::mrg_normal_distribution_double2<rocrand_state_mrg31k3p>(state1,
                                                                                            state2);
 }
  
 #ifndef ROCRAND_DETAIL_MRG32K3A_BM_NOT_IN_STATE
 FQUALIFIERS
 float rocrand_normal(rocrand_state_mrg32k3a * state)
 {
     typedef rocrand_device::detail::engine_boxmuller_helper<rocrand_state_mrg32k3a> bm_helper;
  
     if(bm_helper::has_float(state))
     {
         return bm_helper::get_float(state);
     }
  
     auto state1 = state->next();
     auto state2 = state->next();
  
     float2 r
         = rocrand_device::detail::mrg_normal_distribution2<rocrand_state_mrg32k3a>(state1, state2);
     bm_helper::save_float(state, r.y);
     return r.x;
 }
 #endif // ROCRAND_DETAIL_MRG32K3A_BM_NOT_IN_STATE
  
 FQUALIFIERS
 float2 rocrand_normal2(rocrand_state_mrg32k3a * state)
 {
     auto state1 = state->next();
     auto state2 = state->next();
  
     return rocrand_device::detail::mrg_normal_distribution2<rocrand_state_mrg32k3a>(state1, state2);
 }
  
 #ifndef ROCRAND_DETAIL_MRG32K3A_BM_NOT_IN_STATE
 FQUALIFIERS
 double rocrand_normal_double(rocrand_state_mrg32k3a * state)
 {
     typedef rocrand_device::detail::engine_boxmuller_helper<rocrand_state_mrg32k3a> bm_helper;
  
     if(bm_helper::has_double(state))
     {
         return bm_helper::get_double(state);
     }
  
     auto state1 = state->next();
     auto state2 = state->next();
  
     double2 r
         = rocrand_device::detail::mrg_normal_distribution_double2<rocrand_state_mrg32k3a>(state1,
                                                                                           state2);
     bm_helper::save_double(state, r.y);
     return r.x;
 }
 #endif // ROCRAND_DETAIL_MRG32K3A_BM_NOT_IN_STATE
  
 FQUALIFIERS
 double2 rocrand_normal_double2(rocrand_state_mrg32k3a * state)
 {
     auto state1 = state->next();
     auto state2 = state->next();
  
     return rocrand_device::detail::mrg_normal_distribution_double2<rocrand_state_mrg32k3a>(state1,
                                                                                            state2);
 }
  
 #ifndef ROCRAND_DETAIL_XORWOW_BM_NOT_IN_STATE
 FQUALIFIERS
 float rocrand_normal(rocrand_state_xorwow * state)
 {
     typedef rocrand_device::detail::engine_boxmuller_helper<rocrand_state_xorwow> bm_helper;
  
     if(bm_helper::has_float(state))
     {
         return bm_helper::get_float(state);
     }
     auto state1 = rocrand(state);
     auto state2 = rocrand(state);
     float2 r = rocrand_device::detail::normal_distribution2(state1, state2);
     bm_helper::save_float(state, r.y);
     return r.x;
 }
 #endif // ROCRAND_DETAIL_XORWOW_BM_NOT_IN_STATE
  
 FQUALIFIERS
 float2 rocrand_normal2(rocrand_state_xorwow * state)
 {
     auto state1 = rocrand(state);
     auto state2 = rocrand(state);
     return rocrand_device::detail::normal_distribution2(state1, state2);
 }
  
 #ifndef ROCRAND_DETAIL_XORWOW_BM_NOT_IN_STATE
 FQUALIFIERS
 double rocrand_normal_double(rocrand_state_xorwow * state)
 {
     typedef rocrand_device::detail::engine_boxmuller_helper<rocrand_state_xorwow> bm_helper;
  
     if(bm_helper::has_double(state))
     {
         return bm_helper::get_double(state);
     }
  
     auto state1 = rocrand(state);
     auto state2 = rocrand(state);
     auto state3 = rocrand(state);
     auto state4 = rocrand(state);
  
     double2 r = rocrand_device::detail::normal_distribution_double2(
         uint4 { state1, state2, state3, state4 }
     );
     bm_helper::save_double(state, r.y);
     return r.x;
 }
 #endif // ROCRAND_DETAIL_XORWOW_BM_NOT_IN_STATE
  
 FQUALIFIERS
 double2 rocrand_normal_double2(rocrand_state_xorwow * state)
 {
     auto state1 = rocrand(state);
     auto state2 = rocrand(state);
     auto state3 = rocrand(state);
     auto state4 = rocrand(state);
  
     return rocrand_device::detail::normal_distribution_double2(
         uint4 { state1, state2, state3, state4 }
     );
 }
  
 FQUALIFIERS
 float rocrand_normal(rocrand_state_mtgp32 * state)
 {
     return rocrand_device::detail::normal_distribution(rocrand(state));
 }
  
 FQUALIFIERS
 double rocrand_normal_double(rocrand_state_mtgp32 * state)
 {
     return rocrand_device::detail::normal_distribution_double(rocrand(state));
 }
  
 FQUALIFIERS
 float rocrand_normal(rocrand_state_sobol32 * state)
 {
     return rocrand_device::detail::normal_distribution(rocrand(state));
 }
  
 FQUALIFIERS
 double rocrand_normal_double(rocrand_state_sobol32 * state)
 {
     return rocrand_device::detail::normal_distribution_double(rocrand(state));
 }
  
 FQUALIFIERS
 float rocrand_normal(rocrand_state_scrambled_sobol32* state)
 {
     return rocrand_device::detail::normal_distribution(rocrand(state));
 }
  
 FQUALIFIERS
 double rocrand_normal_double(rocrand_state_scrambled_sobol32* state)
 {
     return rocrand_device::detail::normal_distribution_double(rocrand(state));
 }
  
 FQUALIFIERS
 float rocrand_normal(rocrand_state_sobol64* state)
 {
     return rocrand_device::detail::normal_distribution(rocrand(state));
 }
  
 FQUALIFIERS
 double rocrand_normal_double(rocrand_state_sobol64 * state)
 {
     return rocrand_device::detail::normal_distribution_double(rocrand(state));
 }
  
 FQUALIFIERS
 float rocrand_normal(rocrand_state_scrambled_sobol64* state)
 {
     return rocrand_device::detail::normal_distribution(rocrand(state));
 }
  
 FQUALIFIERS
 double rocrand_normal_double(rocrand_state_scrambled_sobol64* state)
 {
     return rocrand_device::detail::normal_distribution_double(rocrand(state));
 }
  
 FQUALIFIERS
 float rocrand_normal(rocrand_state_lfsr113* state)
 {
     return rocrand_device::detail::normal_distribution(rocrand(state));
 }
  
 FQUALIFIERS
 float2 rocrand_normal2(rocrand_state_lfsr113* state)
 {
     auto state1 = rocrand(state);
     auto state2 = rocrand(state);
  
     return rocrand_device::detail::normal_distribution2(state1, state2);
 }
  
 FQUALIFIERS
 double rocrand_normal_double(rocrand_state_lfsr113* state)
 {
     return rocrand_device::detail::normal_distribution_double(rocrand(state));
 }
  
 FQUALIFIERS
 double2 rocrand_normal_double2(rocrand_state_lfsr113* state)
 {
     auto state1 = rocrand(state);
     auto state2 = rocrand(state);
     auto state3 = rocrand(state);
     auto state4 = rocrand(state);
  
     return rocrand_device::detail::normal_distribution_double2(
         uint4{state1, state2, state3, state4});
 }
  
 FQUALIFIERS float rocrand_normal(rocrand_state_threefry2x32_20* state)
 {
     return rocrand_device::detail::normal_distribution(rocrand(state));
 }
  
 FQUALIFIERS float2 rocrand_normal2(rocrand_state_threefry2x32_20* state)
 {
     return rocrand_device::detail::normal_distribution2(rocrand2(state));
 }
  
 FQUALIFIERS double rocrand_normal_double(rocrand_state_threefry2x32_20* state)
 {
     return rocrand_device::detail::normal_distribution_double(rocrand(state));
 }
  
 FQUALIFIERS double2 rocrand_normal_double2(rocrand_state_threefry2x32_20* state)
 {
     auto state1 = rocrand2(state);
     auto state2 = rocrand2(state);
  
     return rocrand_device::detail::normal_distribution_double2(
         uint4{state1.x, state1.y, state2.x, state2.y});
 }
  
 FQUALIFIERS float rocrand_normal(rocrand_state_threefry2x64_20* state)
 {
     return rocrand_device::detail::normal_distribution(rocrand(state));
 }
  
 FQUALIFIERS float2 rocrand_normal2(rocrand_state_threefry2x64_20* state)
 {
     return rocrand_device::detail::normal_distribution2(rocrand(state));
 }
  
 FQUALIFIERS double rocrand_normal_double(rocrand_state_threefry2x64_20* state)
 {
     return rocrand_device::detail::normal_distribution_double(rocrand(state));
 }
  
 FQUALIFIERS double2 rocrand_normal_double2(rocrand_state_threefry2x64_20* state)
 {
     return rocrand_device::detail::normal_distribution_double2(rocrand2(state));
 }
  
 FQUALIFIERS float rocrand_normal(rocrand_state_threefry4x32_20* state)
 {
     return rocrand_device::detail::normal_distribution(rocrand(state));
 }
  
 FQUALIFIERS float2 rocrand_normal2(rocrand_state_threefry4x32_20* state)
 {
     auto state1 = rocrand(state);
     auto state2 = rocrand(state);
  
     return rocrand_device::detail::normal_distribution2(state1, state2);
 }
  
 FQUALIFIERS double rocrand_normal_double(rocrand_state_threefry4x32_20* state)
 {
     return rocrand_device::detail::normal_distribution_double(rocrand(state));
 }
  
 FQUALIFIERS double2 rocrand_normal_double2(rocrand_state_threefry4x32_20* state)
 {
     return rocrand_device::detail::normal_distribution_double2(rocrand4(state));
 }
  
 FQUALIFIERS float rocrand_normal(rocrand_state_threefry4x64_20* state)
 {
     return rocrand_device::detail::normal_distribution(rocrand(state));
 }
  
 FQUALIFIERS float2 rocrand_normal2(rocrand_state_threefry4x64_20* state)
 {
     auto state1 = rocrand(state);
     auto state2 = rocrand(state);
  
     return rocrand_device::detail::normal_distribution2(state1, state2);
 }
  
 FQUALIFIERS double rocrand_normal_double(rocrand_state_threefry4x64_20* state)
 {
     return rocrand_device::detail::normal_distribution_double(rocrand(state));
 }
  
 FQUALIFIERS double2 rocrand_normal_double2(rocrand_state_threefry4x64_20* state)
 {
     auto state1 = rocrand(state);
     auto state2 = rocrand(state);
  
     return rocrand_device::detail::normal_distribution_double2(ulonglong2{state1, state2});
 }
  // end of group rocranddevice
  
 #endif // ROCRAND_NORMAL_H_