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| From: | Teun Burgers <a DOT rburgers AT quicknet DOT nl> |
| Subject: | Re: drand48() (and erand48) returns only zeros |
| Date: | Fri, 12 Nov 2004 19:35:29 +0100 |
| Lines: | 20 |
| Message-ID: | <cn2vo9$tac$1@sea.gmane.org> |
| References: | <20041112154151 DOT 37720 DOT qmail AT web52604 DOT mail DOT yahoo DOT com> |
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meadmaker1066-cyg AT yahoo DOT com wrote:
> drand48 and erand48 return only 0.0 no matter how many
> times I call them.
Indeed. Calling srand48 to set the seed helps, but should
not be necessary.
Teun
#include <stdlib.h>
#include <stdio.h>
int main(int argc, char *argv[])
{
int i;
srand48(0);
for (i = 0; i< 20; i++) {
printf("%3d %g\n", i, drand48());
}
}
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