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 #ifndef ROCRAND_THREEFRY4X32_20_H_

 #define ROCRAND_THREEFRY4X32_20_H_


 #ifndef FQUALIFIERS

     #define FQUALIFIERS __forceinline__ __device__

 #endif // FQUALIFIERS


 #include "rocrand/rocrand_threefry4_impl.h"


 namespace rocrand_device

 {


 class threefry4x32_20_engine : public threefry_engine4_base<uint4, unsigned int, 20>

 {

 public:

     typedef threefry_engine4_base<uint4, unsigned int, 20>::threefry_state_4 threefry4x32_20_state;


     FQUALIFIERS threefry4x32_20_engine(const unsigned long long seed        = 0,

                                        const unsigned long long subsequence = 0,

                                        const unsigned long long offset      = 0)

     {

         this->seed(seed, subsequence, offset);

     }


     FQUALIFIERS void seed(const unsigned long long seed        = 0,

                           const unsigned long long subsequence = 0,

                           const unsigned long long offset      = 0)

     {

         m_state.counter  = {0U, 0U, 0U, 0U};

         m_state.result   = {0U, 0U, 0U, 0U};

         m_state.substate = 0;


         m_state.key = {static_cast<unsigned int>(seed),

                        static_cast<unsigned int>(seed >> 16),

                        static_cast<unsigned int>(seed >> 32),

                        static_cast<unsigned int>(seed >> 48)};


         this->discard_subsequence_impl(subsequence);

         this->discard(offset);

         m_state.result = this->threefry_rounds(m_state.counter, m_state.key);

     }

 }; // threefry4x32_20_engine class


 } // end namespace rocrand_device


 typedef rocrand_device::threefry4x32_20_engine rocrand_state_threefry4x32_20;


 FQUALIFIERS void rocrand_init(const unsigned long long       seed,

                               const unsigned long long       subsequence,

                               const unsigned long long       offset,

                               rocrand_state_threefry4x32_20* state)

 {

     *state = rocrand_state_threefry4x32_20(seed, subsequence, offset);

 }


 FQUALIFIERS unsigned int rocrand(rocrand_state_threefry4x32_20* state)

 {

     return state->next();

 }


 FQUALIFIERS uint4 rocrand4(rocrand_state_threefry4x32_20* state)

 {

     return state->next4();

 }


 #endif // ROCRAND_THREEFRY4X32_20_H_

rocrand
FQUALIFIERS unsigned int rocrand(rocrand_state_lfsr113 *state)
Returns uniformly distributed random unsigned int value from [0; 2^32 - 1] range.
Definition: rocrand_lfsr113.h:253

rocrand_init
FQUALIFIERS void rocrand_init(const uint4 seed, const unsigned int subsequence, rocrand_state_lfsr113 *state)
Initializes LFSR113 state.
Definition: rocrand_lfsr113.h:235

rocrand4
FQUALIFIERS uint4 rocrand4(rocrand_state_philox4x32_10 *state)
Returns four uniformly distributed random unsigned int values from [0; 2^32 - 1] range.
Definition: rocrand_philox4x32_10.h:410

FQUALIFIERS
#define FQUALIFIERS
Shorthand for commonly used function qualifiers.
Definition: rocrand_uniform.h:31