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Fix for part of bug #12075: gamma node generated nan's on negative input.

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This commit is contained in:
Brecht Van Lommel 2008-05-22 14:56:32 +00:00
parent 99a2e7e92e
commit 5463828bd2
1 changed files with 2 additions and 1 deletions
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source/blender/nodes/intern/CMP_nodes/CMP_gamma.c
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@ -46,7 +46,8 @@ static void do_gamma(bNode *node, float *out, float *in, float *fac)
{
int i=0;
for(i=0; i<3; i++) {
out[i] = pow(in[i],fac[0]);
/* check for negative to avoid nan's */
out[i] = (in[0] > 0.0f)? pow(in[i],fac[0]): in[0];
}
out[3] = in[3];
}