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 #ifndef ROCRAND_THREEFRY_COMMON_H_

 #define ROCRAND_THREEFRY_COMMON_H_


 #ifndef FQUALIFIERS

     #define FQUALIFIERS __forceinline__ __device__

 #endif // FQUALIFIERS


 #include "rocrand/rocrand_common.h"


 // C240 constant for Skein Hash function Threefish

 #define SKEIN_MK_64(hi32, lo32) ((lo32) + (((unsigned long long)(hi32)) << 32))

 #define SKEIN_KS_PARITY64 SKEIN_MK_64(0x1BD11BDA, 0xA9FC1A22)

 #define SKEIN_KS_PARITY32 0x1BD11BDA


 namespace rocrand_device

 {


 template<typename value>

 FQUALIFIERS value rotl(value x, int d);


 template<>

 FQUALIFIERS unsigned long long rotl<unsigned long long>(unsigned long long x, int d)

 {

     return ((x << d) | (x >> (64 - d) & 63));

 };


 template<>

 FQUALIFIERS unsigned int rotl<unsigned int>(unsigned int x, int d)

 {

     return (x << (d & 31)) | (x >> ((32 - d) & 31));

 };


 template<typename value>

 FQUALIFIERS value skein_ks_parity();


 template<>

 FQUALIFIERS unsigned int skein_ks_parity<unsigned int>()

 {

     return SKEIN_KS_PARITY32;

 }


 template<>

 FQUALIFIERS unsigned long long skein_ks_parity<unsigned long long>()

 {

     return SKEIN_KS_PARITY64;

 }


 } // end namespace rocrand_device


 #endif // ROCRAND_THREEFRY_COMMON_H_

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