From 02a94f030ca5508ee08a37d9d26fe9a8c73404ac Mon Sep 17 00:00:00 2001
From: Nyall Dawson <nyall.dawson@gmail.com>
Date: Sat, 14 Mar 2020 07:07:26 +1000
Subject: [PATCH] Fix build on some platforms

---
 src/gui/processing/models/qgsmodelsnapper.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/gui/processing/models/qgsmodelsnapper.cpp b/src/gui/processing/models/qgsmodelsnapper.cpp
index c526e7b77dd6..419f923f718e 100644
--- a/src/gui/processing/models/qgsmodelsnapper.cpp
+++ b/src/gui/processing/models/qgsmodelsnapper.cpp
@@ -16,6 +16,7 @@
 
 #include "qgsmodelsnapper.h"
 #include "qgssettings.h"
+#include <cmath>
 
 QgsModelSnapper::QgsModelSnapper()
 {
@@ -117,14 +118,14 @@ QPointF QgsModelSnapper::snapPointsToGrid( const QList<QPointF> &points, double
     double xSnapped = xRatio * gridRes;
     double ySnapped = yRatio * gridRes;
 
-    double currentDiffX = std::abs( xSnapped - point.x() );
+    double currentDiffX = std::fabs( xSnapped - point.x() );
     if ( currentDiffX < smallestDiffX )
     {
       smallestDiffX = currentDiffX;
       deltaX = xSnapped - point.x();
     }
 
-    double currentDiffY = std::abs( ySnapped - point.y() );
+    double currentDiffY = std::fabs( ySnapped - point.y() );
     if ( currentDiffY < smallestDiffY )
     {
       smallestDiffY = currentDiffY;