From cf6e634d603047f365402dc771cc4e81b7c7a7f4 Mon Sep 17 00:00:00 2001
From: root676 <clemens.raffler@gmx.at>
Date: Sat, 30 May 2020 23:46:42 +0200
Subject: [PATCH] optimize memory reservation in getCellValuesFromBlockStack()

---
 src/analysis/processing/qgsrasteranalysisutils.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/analysis/processing/qgsrasteranalysisutils.cpp b/src/analysis/processing/qgsrasteranalysisutils.cpp
index f6146f3efbd..059a60595c1 100644
--- 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;