int cvar_next_value(void *cvar_handle, double *value)
{
handle_t *h = (handle_t *) cvar_handle;
if (!h) {
cvar_trace("NULL cvar_handle");
return -1;
}
if (!value) {
cvar_trace("NULL value");
return -1;
}
*value = rds_exponential(&h->state, h->mean);
return 0;
}
/*
* Generate an exponential distribution with the given mean.
*/
double rd_exponential(
double mean) /* Mean of generated distribution */
{
return rds_exponential (&mt_default_state, mean);
}