27 lines
918 B
C
27 lines
918 B
C
#pragma once
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#include <stdint.h>
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#ifndef HASH_API_FUNCTION
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#ifdef __cplusplus
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#define HASH_API_FUNCTION extern "C"
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#else
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#define HASH_API_FUNCTION
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#endif
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#endif
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typedef struct RandomSeed RandomSeed;
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struct RandomSeed {
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uint64_t a;
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};
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HASH_API_FUNCTION uint64_t HashBytes(void *data, uint64_t size);
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HASH_API_FUNCTION RandomSeed MakeRandomSeed(uint64_t value);
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HASH_API_FUNCTION uint64_t GetRandomU64(RandomSeed *state);
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HASH_API_FUNCTION int GetRandomRangeI(RandomSeed *seed, int first, int last_included);
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HASH_API_FUNCTION double GetRandomNormal(RandomSeed *series);
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HASH_API_FUNCTION double GetRandomNormalRange(RandomSeed *seed, double min, double max);
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HASH_API_FUNCTION uint64_t HashMix(uint64_t x, uint64_t y);
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#define WRAP_AROUND_POWER_OF_2(x, pow2) (((x) & ((pow2)-1llu)))
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static inline float GetRandomNormalF(RandomSeed *series) { return (float)GetRandomNormal(series); }
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