[454/906] blur: fix gaussian kernel computation

This commit is contained in:
Filippo Argiolas 2010-05-01 11:19:55 +02:00 committed by Matthew Waters
parent 17a33cd19a
commit 00030c2bdd

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@ -47,7 +47,7 @@ fill_gaussian_kernel (float *kernel, int size, float sigma)
l = (size - 1) / 2; l = (size - 1) / 2;
for (i = 0; i < size; i++) { for (i = 0; i < size; i++) {
kernel[i] = expf (-pow ((i - l), 2.0) / (2 * sigma)); kernel[i] = expf (-0.5 * pow ((i - l) / sigma, 2.0));
sum += kernel[i]; sum += kernel[i];
} }