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mdbx-test: обновление ГПСЧ.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2024-02-27 20:46:27 +03:00
parent 3373631cff
commit 00c4e2636e
2 changed files with 25 additions and 18 deletions
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14
test/utils.c++
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@@ -107,18 +107,22 @@ uint64_t prng64_white(uint64_t &state) {
return bleach64(state);
}
uint32_t prng32(uint64_t &state) {
return (uint32_t)(prng64_careless(state) >> 32);
uint32_t prng32_fast(uint64_t &state) {
return uint32_t(prng64_careless(state) >> 32);
}
uint32_t prng32_white(uint64_t &state) {
return bleach32(uint32_t(prng64_careless(state) >> 32));
}
void prng_fill(uint64_t &state, void *ptr, size_t bytes) {
uint32_t u32 = prng32(state);
uint32_t u32 = prng32_fast(state);
while (bytes >= 4) {
memcpy(ptr, &u32, 4);
ptr = (uint32_t *)ptr + 1;
bytes -= 4;
u32 = prng32(state);
u32 = prng32_fast(state);
}
switch (bytes & 3) {
@@ -140,7 +144,7 @@ void prng_fill(uint64_t &state, void *ptr, size_t bytes) {
void prng_seed(uint64_t seed) { prng_state = bleach64(seed); }
uint32_t prng32(void) { return prng32(prng_state); }
uint32_t prng32(void) { return prng32_white(prng_state); }
uint64_t prng64(void) { return prng64_white(prng_state); }