dxx-rebirth/maths/rand.c
2003-02-18 20:23:22 +00:00

34 lines
486 B
C

/* $Id: */
/*
* Descent random number stuff...
* rand has different ranges on different machines...
*/
#ifdef HAVE_CONFIG_H
#include <conf.h>
#endif
#include <stdlib.h>
#ifdef NO_WATCOM_RAND
void d_srand(unsigned int seed)
{
srand(seed);
}
int d_rand()
{
return rand()&0x7fff;
}
#else
static unsigned int d_rand_seed;
int d_rand() {
return ((d_rand_seed = d_rand_seed * 0x41c64e6d + 0x3039) >> 16) & 0x7fff;
}
void d_srand(unsigned int seed) {
d_rand_seed = seed;
}
#endif