mirror of https://github.com/ZDoom/raze-gles.git
43 lines
923 B
C
43 lines
923 B
C
#pragma once
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#include <stdint.h>
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#include "SFMT.h"
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struct SFMTObj
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{
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void Init(uint32_t seed1, uint32_t seed2)
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{
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uint32_t seeds[2] = { seed1, seed2 };
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InitByArray(seeds, 2);
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}
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void GenRandAll();
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void GenRandArray(w128_t *array, int size);
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void PeriodCertification();
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int GetMinArraySize32();
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int GetMinArraySize64();
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unsigned int GenRand32();
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uint64_t GenRand64();
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void FillArray32(uint32_t *array, int size);
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void FillArray64(uint64_t *array, int size);
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void InitGenRand(uint32_t seed);
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void InitByArray(uint32_t *init_key, int key_length);
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protected:
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/** index counter to the 32-bit internal state array */
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int idx;
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/** the 128-bit internal state array */
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union
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{
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w128_t w128[SFMT::N];
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unsigned int u[SFMT::N32];
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uint64_t u64[SFMT::N64];
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} sfmt;
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/** a flag: it is 0 if and only if the internal state is not yet
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* initialized. */
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#ifndef NDEBUG
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bool initialized = false;
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#endif
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}; |