From: mkr <mkr@opencascade.com>
Date: Mon, 28 Apr 2008 08:44:52 +0000 (+0000)
Subject: Fix for bug IPAL19512: Qt4 porting: Error message is shown after selection of Gauss... 
X-Git-Tag: V5_0_0~4
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=421435679281e33c842b8db7231ef92d2372cd49;p=modules%2Fgui.git

Fix for bug IPAL19512: Qt4 porting: Error message is shown after selection of Gauss point outside of secgmentation cursor => fix of SIGFPE exception during selection.
---

diff --git a/src/VTKViewer/VTKViewer_Trihedron.cxx b/src/VTKViewer/VTKViewer_Trihedron.cxx
index f50d67b30..d9f5d3321 100755
--- a/src/VTKViewer/VTKViewer_Trihedron.cxx
+++ b/src/VTKViewer/VTKViewer_Trihedron.cxx
@@ -81,7 +81,7 @@ void VTKViewer_UnScaledActor::Render(vtkRenderer *theRenderer)
     vtkFloatingPointType aPrecision = 1.0E-3;
     vtkFloatingPointType anOldScale = GetScale()[0];
     vtkFloatingPointType aScale = mySize*aWorldDiag/aWinDiag/aLength*sqrt(vtkFloatingPointType(aSize[0])/vtkFloatingPointType(aSize[1]));
-    if(fabs(aScale - anOldScale)/aScale > aPrecision){
+    if(aScale != 0.0 && fabs(aScale - anOldScale)/aScale > aPrecision){
       SetScale(aScale);
     }
   }