random.h

来自「给语音加噪声的一个程序」· C头文件 代码 · 共 28 行

#include <math.h>
#define IA 16807
#define IM 2147483647
#define AM (1.0/IM)
#define IQ 127773
#define IR 2836
#define MASK 123459876
#define NTAB 32
#define NDIV (1+(IM-1)/NTAB)
#define EPS 1.2e-7
#define RNMX (1.0-EPS)
#define IM1 2147483563
#define IM2 2147483399
#define AM1 (1.0/IM1-1.0)
#define IMM1 (IM1-1)
#define IA1 40014
#define IA2 40692
#define IQ1 53668
#define IQ2 52774
#define IR1 12211
#define IR2 3791
#define NDIV1 (1+IMM1/NTAB)

extern double ran0(long *ideum);
extern double ran1(long *ideum);
extern double ran2(long *ideum);
extern double gasdev(long *ideum);