diff options
Diffstat (limited to 'sci-misc/fitscut/files/fitscut-1.4.4-fix-asinh.patch')
| -rw-r--r-- | sci-misc/fitscut/files/fitscut-1.4.4-fix-asinh.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/sci-misc/fitscut/files/fitscut-1.4.4-fix-asinh.patch b/sci-misc/fitscut/files/fitscut-1.4.4-fix-asinh.patch new file mode 100644 index 000000000000..be5c3a1c2309 --- /dev/null +++ b/sci-misc/fitscut/files/fitscut-1.4.4-fix-asinh.patch @@ -0,0 +1,33 @@ +Author: Ole Streicher <olebole@debian.org> +Description: Avoid NaN in asinh calculation. + Also, ignore NaN in histogram creation. +--- a/histogram.c ++++ b/histogram.c +@@ -83,8 +83,10 @@ + ind = 0; + else if (value > dmax) + ind = length-1; +- else ++ else if (isfinite(value)) + ind = ceil ((value-dmin) / binsize); ++ else ++ continue; + hist[ind] += 1.0; + } + } +--- a/image_scale.c ++++ b/image_scale.c +@@ -326,8 +326,11 @@ + if (t > maxval) + maxval = t; + } +- +- weight = asinh (sum * nonlinearity) / (nonlinearity * sum); ++ if (sum * nonlinearity == 0.0) { ++ weight = 1.0; ++ } else { ++ weight = asinh (sum * nonlinearity) / (nonlinearity * sum); ++ } + for (k = 0; k < Image->channels; k++) { + if (Image->data[k] == NULL) + continue; |