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use Box-Muller method to generate random walk messages

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This commit is contained in:
Steffen Vogel 2015-05-19 16:54:00 +02:00
parent 82a1b36820
commit bb758490c8
1 changed files with 1 additions and 1 deletions
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2
server/src/msg.c
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@ -82,7 +82,7 @@ int msg_fscan(FILE *f, struct msg *m)
void msg_random(struct msg *m)
{
for (int i = 0; i < m->length; i++)
m->data[i].f += (float) random() / RAND_MAX - .5;
m->data[i].f += box_muller(0, 1);
m->endian = MSG_ENDIAN_HOST;
}