Nils O. Selåsdal
35 lines
607 B
C
35 lines
607 B
C
#ifndef UCORE_MERSENNE_TWISTER_H
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#define UCORE_MERSENNE_TWISTER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Context used for the PRNG*/
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#define MT_RAND_N 624
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typedef struct {
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unsigned int x[MT_RAND_N];
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int i;
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} MTRand;
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/** Initialize a Mersenne Twister PRNG context.
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* @param seed Starter seed for the PRNG
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* @param r context for the PRNG
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*/
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void mtsrand(int seed, MTRand *r);
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/** Generate a new random number.
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* Generated range is 0 to UINT_MAX
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*
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* @param r context for the PRNG
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* @return A pseudo random number
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*/
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unsigned int mtrand(MTRand *r);
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#ifdef __cplusplus
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}
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#endif
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#endif
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