Natural Breaks (Jenks) classification causes crash (#42618)

qgis · Apr 7, 2021 · d2dff9b · d2dff9b
1 parent 2d4f73d
commit d2dff9b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/core/classification/qgsclassificationjenks.cpp b/src/core/classification/qgsclassificationjenks.cpp
@@ -99,10 +99,11 @@ QList<double> QgsClassificationJenks::calculateBreaks( double &minimum, double &
 
 #if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
       double r = QRandomGenerator::global()->generate();
+      int j = std::floor( r / QRandomGenerator::max() * ( values.size() - 1 ) );
 #else
       double r = qrand();
-#endif
       int j = std::floor( r / RAND_MAX * ( values.size() - 1 ) );
+#endif
       sample[ i ] = values[ j ];
     }
   }