Changeset 7812a7b5 for libcfa/src/bits/random.hfa
 Timestamp:
 Jun 30, 2020, 1:21:39 PM (3 years ago)
 Branches:
 armeh, enum, forallpointerdecay, jacob/cs343translation, master, newast, newastuniqueexpr, pthreademulation, qualifiedEnum
 Children:
 398e8e9, 9f7fff4
 Parents:
 bdce852
 File:

 1 edited
Legend:
 Unmodified
 Added
 Removed

libcfa/src/bits/random.hfa
rbdce852 r7812a7b5 4 4 5 5 // 6 typedef __uint128_t __lehmer64_state_t; 7 static inline uint64_t __lehmer64( __lehmer64_state_t & state ) { 8 state *= 0xda942042e4dd58b5; 9 return state >> 64; 10 } 6 #if defined(__SIZEOF_INT128__) 7 typedef __uint128_t __lehmer64_state_t; 8 static inline uint64_t __lehmer64( __lehmer64_state_t & state ) { 9 state *= 0xda942042e4dd58b5; 10 return state >> 64; 11 } 11 12 12 13 // 13 typedef uint64_t __wyhash64_state_t; 14 static inline uint64_t __wyhash64( __wyhash64_state_t & state ) { 15 state += 0x60bee2bee120fc15; 16 __uint128_t tmp; 17 tmp = (__uint128_t) state * 0xa3b195354a39b70d; 18 uint64_t m1 = (tmp >> 64) ^ tmp; 19 tmp = (__uint128_t)m1 * 0x1b03738712fad5c9; 20 uint64_t m2 = (tmp >> 64) ^ tmp; 21 return m2; 22 } 14 typedef uint64_t __wyhash64_state_t; 15 static inline uint64_t __wyhash64( __wyhash64_state_t & state ) { 16 state += 0x60bee2bee120fc15; 17 __uint128_t tmp; 18 tmp = (__uint128_t) state * 0xa3b195354a39b70d; 19 uint64_t m1 = (tmp >> 64) ^ tmp; 20 tmp = (__uint128_t)m1 * 0x1b03738712fad5c9; 21 uint64_t m2 = (tmp >> 64) ^ tmp; 22 return m2; 23 } 24 #endif 23 25 24 26 //
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