diff options
Diffstat (limited to 'generator/pgmkernel.c')
| -rw-r--r-- | generator/pgmkernel.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/generator/pgmkernel.c b/generator/pgmkernel.c index ec634c16..37072c38 100644 --- a/generator/pgmkernel.c +++ b/generator/pgmkernel.c @@ -223,11 +223,13 @@ main(int argc, const char * argv[]) { unsigned int col; for (col = 0; col < (cmdline.cols +1) / 2; ++col) { + double const epsilon = 1e-15; double const dx2 = SQR(col - xcenter); double const normalized = t(dx2, dy2, cmdline.weight) / 2 / tMax; - gray const grayval = ROUNDU(cmdline.maxval * (0.5 + normalized)); + gray const grayval = + ROUNDU(cmdline.maxval * (0.5 + normalized + epsilon)); halfKernel[arow][col ] = grayval; halfKernel[arow][cmdline.cols - col - 1] = grayval; |