forked from bartvdbraak/blender
Bugfix: High resolution "exploded" when using uneven resolutions, sometimes with specific object scaling.
Part of Smoke Development Phase III. Credit also goes to MiikaH: It was a teamwork effort and took days to track down. :)
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@ -107,7 +107,7 @@ static void downsampleNeumann(const float *from, float *to, int n, int stride)
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// if these values are not local incorrect results are generated
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float downCoeffs[32] = { DOWNCOEFFS };
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const float *const aCoCenter= &downCoeffs[16];
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for (int i = 0; i < n / 2; i++) {
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for (int i = 0; i < ceil((float)n / 2); i++) {
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to[i * stride] = 0;
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for (int k = 2 * i - 16; k < 2 * i + 16; k++) {
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// handle boundary
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