SphinxBase 5prealpha
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High performance prortable random generator created by Takuji Nishimura and Makoto Matsumoto. More...
#include <stdio.h>
#include <sphinxbase/sphinxbase_export.h>
Go to the source code of this file.
Macros | |
#define | S3_RAND_MAX_INT32 0x7fffffff |
#define | s3_rand_seed(s) genrand_seed(s); |
Macros to simplify calling of random generator function. | |
#define | s3_rand_int31() genrand_int31() |
#define | s3_rand_real() genrand_real3() |
#define | s3_rand_res53() genrand_res53() |
Functions | |
SPHINXBASE_EXPORT void | genrand_seed (unsigned long s) |
Initialize the seed of the random generator. | |
SPHINXBASE_EXPORT long | genrand_int31 (void) |
generates a random number on [0,0x7fffffff]-interval | |
SPHINXBASE_EXPORT double | genrand_real3 (void) |
generates a random number on (0,1)-real-interval | |
SPHINXBASE_EXPORT double | genrand_res53 (void) |
generates a random number on [0,1) with 53-bit resolution | |
High performance prortable random generator created by Takuji Nishimura and Makoto Matsumoto.
A high performance which applied Mersene twister primes to generate random number. If probably seeded, the random generator can achieve 19937-bits period. For technical detail. Please take a look at (FIXME! Need to search for the web site.) http://www.
Definition in file genrand.h.
#define s3_rand_int31 | ( | ) | genrand_int31() |
#define s3_rand_real | ( | ) | genrand_real3() |
#define s3_rand_res53 | ( | ) | genrand_res53() |
#define s3_rand_seed | ( | s | ) | genrand_seed(s); |
SPHINXBASE_EXPORT long genrand_int31 | ( | void | ) |
generates a random number on [0,0x7fffffff]-interval
Definition at line 161 of file genrand.c.
References genrand_int31().
Referenced by genrand_int31().
SPHINXBASE_EXPORT double genrand_real3 | ( | void | ) |
generates a random number on (0,1)-real-interval
Definition at line 184 of file genrand.c.
References genrand_real3().
Referenced by genrand_real3().
SPHINXBASE_EXPORT double genrand_res53 | ( | void | ) |
generates a random number on [0,1) with 53-bit resolution
Definition at line 192 of file genrand.c.
References genrand_res53().
Referenced by genrand_res53().
SPHINXBASE_EXPORT void genrand_seed | ( | unsigned long | s | ) |
Initialize the seed of the random generator.
Definition at line 94 of file genrand.c.
References genrand_seed().
Referenced by genrand_seed().