dxx-rebirth/maths/rand.c

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// Descent random number stuff...
// rand has different ranges on different machines...
#include <conf.h>
#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