optimize memory reservation in getCellValuesFromBlockStack()

qgis · Jul 2, 2020 · cf6e634 · cf6e634
1 parent bf7a47a
commit cf6e634
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/analysis/processing/qgsrasteranalysisutils.cpp b/src/analysis/processing/qgsrasteranalysisutils.cpp
@@ -291,6 +291,8 @@ std::vector<double> QgsRasterAnalysisUtils::getCellValuesFromBlockStack( const s
 {
   //get all values from inputBlocks
   std::vector<double> cellValues;
+  cellValues.reserve( inputBlocks.size() );
+
   for ( auto &block : inputBlocks )
   {
     double value = 0;