Mercurial > hg > svgui

diff layer/SliceLayer.cpp @ 847:312b92ffb04e

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Fix potential divide by zero
author Chris Cannam
date Wed, 03 Sep 2014 11:42:39 +0100
parents 1d526ba11a24
children 12ab113ca2b1
line wrap: on
line diff
--- a/layer/SliceLayer.cpp	Wed Sep 03 11:41:58 2014 +0100
+++ b/layer/SliceLayer.cpp	Wed Sep 03 11:42:39 2014 +0100
@@ -396,7 +396,9 @@
 
     float max = 0.f;
     for (int bin = 0; bin < mh; ++bin) {
-        if (m_samplingMode == SampleMean) m_values[bin] /= divisor;
+        if (m_samplingMode == SampleMean && divisor > 0) {
+            m_values[bin] /= divisor;
+        }
         if (m_values[bin] > max) max = m_values[bin];
     }
     if (max != 0.f && m_normalize) {