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Division by zero in Raw Whitepoint Correction, reported by cppcheck, no Issue

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2014-09-01 11:20:24 +02:00
parent 79dc8c97de
commit 1432ca1fc2
1 changed files with 1 additions and 1 deletions
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rtengine/expo_before_b.cc
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@@ -113,7 +113,7 @@ void RawImageSource::processRawWhitepoint(float expos, float preser) {
if(expos>1){ if(expos>1){
// Positive exposure // Positive exposure
K = (float) maxVal / expos*exp(-preser*log(2.0)); K = (float) maxVal / expos*exp(-preser*log(2.0));
for (int j=0;j<=maxVal;j++) for (int j=max(1,(int)K);j<=maxVal;j++)
lut[(int)j]=(((float)maxVal-K*expos)/((float)maxVal-K)*(j-maxVal)+(float) maxVal) / j; lut[(int)j]=(((float)maxVal-K*expos)/((float)maxVal-K)*(j-maxVal)+(float) maxVal) / j;
} else { } else {
// Negative exposure // Negative exposure