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58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
#include <inttypes.h>
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#define PRNG_FLOAT (0)
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/**
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* @brief initializes mt[N] with a seed
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*
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* @param s seed for the PRNG
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*/
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void init_genrand(uint32_t s);
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/**
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* @brief initialize by an array with array-length
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* init_key is the array for initializing keys
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* key_length is its length
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* slight change for C++, 2004/2/26
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*
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* @param init_key array of keys (seeds) to initialize the PRNG
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* @param key_length number of lements in init_key
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*/
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void init_by_array(uint32_t init_key[], int key_length);
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/**
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* @brief generates a random number on [0,0xffffffff]-interval
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* @return a random number on [0,0xffffffff]-interval
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*/
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uint32_t genrand_uint32(void);
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#if PRNG_FLOAT
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/* These real versions are due to Isaku Wada, 2002/01/09 added */
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/**
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* @brief generates a random number on [0,1]-real-interval
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* @return a random number on [0,1]-real-interval
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*/
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double genrand_real1(void);
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/**
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* @brief generates a random number on [0,1)-real-interval
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* @return a random number on [0,1)-real-interval
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*/
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double genrand_real2(void);
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/**
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* @brief generates a random number on (0,1)-real-interval
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* @return a random number on (0,1)-real-interval
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*/
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double genrand_real3(void);
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/**
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* @brief generates a random number on [0,1) with 53-bit resolution
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* @return a random number on [0,1) with 53-bit resolution
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*/
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double genrand_res53(void);
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#endif /* PRNG_FLOAT */
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