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update sfmt to version 1.5.1 from 1.4.1 (#4124)

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ebbit1q 2020-10-02 18:13:12 +02:00 • committed by GitHub
parent a5511190a3
commit e2251fe06b
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4 changed files with 43 additions and 30 deletions
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11
common/sfmt/SFMT.h
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@ -79,6 +79,15 @@ union W128_T {
uint32_t u[4];
uint64_t u64[2];
};
#elif defined(HAVE_NEON)
#include <arm_neon.h>
/** 128-bit data structure */
union W128_T {
uint32_t u[4];
uint64_t u64[2];
uint32x4_t si;
};
#elif defined(HAVE_SSE2)
#include <emmintrin.h>
@ -247,7 +256,7 @@ inline static double sfmt_genrand_real3(sfmt_t * sfmt)
*/
inline static double sfmt_to_res53(uint64_t v)
{
return v * (1.0/18446744073709551616.0);
return (v >> 11) * (1.0/9007199254740992.0);
}
/**