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#define CONST_seed 45
#include <stdlib.h>
/* initialize the random number generator for a particular processor */
void init_random(int myid)
{
srand48(myid*CONST_seed);
}
/* return a random number from 0 to range-1 */
int gen_number(int range)
{
return lrand48() % range;
}
/* return a random number in [-range+1,range-1] */
int gen_signed_number(int range)
{
int temp;
temp = lrand48() % (2*range-1); /* 0..2*range-2 */
return temp-(range-1);
}
/* Generate a double from 0.0 to 1.0 */
double gen_uniform_double()
{
return drand48();
}
int check_percent(int percent)
{
return (drand48() < (double) (percent/100.0));
}
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