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Avoid overflow in exponential var.

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Steven Robertson 2012-03-18 14:58:25 -07:00
parent 3ee4640001
commit ea43e312e4
1 changed files with 5 additions and 3 deletions
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cuburn/code/variations.py
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@ -172,9 +172,11 @@ var(17, 'popcorn', """
var(18, 'exponential', """ var(18, 'exponential', """
float dx = w * expf(tx - 1.0f); float dx = w * expf(tx - 1.0f);
if (isfinite(dx)) {
float dy = M_PI * ty; float dy = M_PI * ty;
ox += dx * cosf(dy); ox += dx * cosf(dy);
oy += dx * sinf(dy); oy += dx * sinf(dy);
}
""") """)
var(19, 'power', """ var(19, 'power', """