fix for floating point exception
fix for floating point exception

cjh1/VTK,cjh1/VTK,keithroe/vtkoptix,keithroe/vtkoptix,hendradarwin/VTK,keithroe/vtkoptix,arnaudgelas/VTK,msmolens/VTK,gram526/VTK,sgh/vtk,Wuteyan/VTK,spthaolt/VTK,ashray/VTK-EVM,sumedhasingla/VTK,naucoin/VTKSlicerWidgets,sgh/vtk,jeffbaumes/jeffbaumes-vtk,berendkleinhaneveld/VTK,aashish24/VTK-old,collects/VTK,hendradarwin/VTK,demarle/VTK,candy7393/VTK,spthaolt/VTK,gram526/VTK,demarle/VTK,demarle/VTK,jeffbaumes/jeffbaumes-vtk,sankhesh/VTK,spthaolt/VTK,hendradarwin/VTK,naucoin/VTKSlicerWidgets,arnaudgelas/VTK,cjh1/VTK,spthaolt/VTK,Wuteyan/VTK,ashray/VTK-EVM,SimVascular/VTK,mspark93/VTK,sankhesh/VTK,gram526/VTK,biddisco/VTK,berendkleinhaneveld/VTK,SimVascular/VTK,arnaudgelas/VTK,collects/VTK,jmerkow/VTK,keithroe/vtkoptix,keithroe/vtkoptix,sgh/vtk,keithroe/vtkoptix,jeffbaumes/jeffbaumes-vtk,sankhesh/VTK,ashray/VTK-EVM,sgh/vtk,berendkleinhaneveld/VTK,SimVascular/VTK,sumedhasingla/VTK,demarle/VTK,spthaolt/VTK,sankhesh/VTK,naucoin/VTKSlicerWidgets,hendradarwin/VTK,gram526/VTK,candy7393/VTK,sumedhasingla/VTK,candy7393/VTK,msmolens/VTK,SimVascular/VTK,sumedhasingla/VTK,ashray/VTK-EVM,sankhesh/VTK,jeffbaumes/jeffbaumes-vtk,jmerkow/VTK,cjh1/VTK,msmolens/VTK,berendkleinhaneveld/VTK,naucoin/VTKSlicerWidgets,SimVascular/VTK,mspark93/VTK,sumedhasingla/VTK,jmerkow/VTK,demarle/VTK,candy7393/VTK,sumedhasingla/VTK,johnkit/vtk-dev,msmolens/VTK,keithroe/vtkoptix,hendradarwin/VTK,biddisco/VTK,keithroe/vtkoptix,jmerkow/VTK,mspark93/VTK,Wuteyan/VTK,ashray/VTK-EVM,naucoin/VTKSlicerWidgets,Wuteyan/VTK,johnkit/vtk-dev,berendkleinhaneveld/VTK,sankhesh/VTK,mspark93/VTK,SimVascular/VTK,mspark93/VTK,jmerkow/VTK,SimVascular/VTK,ashray/VTK-EVM,daviddoria/PointGraphsPhase1,jmerkow/VTK,spthaolt/VTK,jmerkow/VTK,biddisco/VTK,arnaudgelas/VTK,arnaudgelas/VTK,hendradarwin/VTK,candy7393/VTK,sgh/vtk,collects/VTK,demarle/VTK,aashish24/VTK-old,candy7393/VTK,sgh/vtk,johnkit/vtk-dev,msmolens/VTK,aashish24/VTK-old,gram526/VTK,collects/VTK,jeffbaumes/jeffbaumes-vtk,johnkit/vtk-dev,mspark93/VTK,johnkit/vtk-dev,jeffbaumes/jeffbaumes-vtk,jmerkow/VTK,sankhesh/VTK,Wuteyan/VTK,mspark93/VTK,daviddoria/PointGraphsPhase1,biddisco/VTK,demarle/VTK,collects/VTK,candy7393/VTK,gram526/VTK,SimVascular/VTK,gram526/VTK,aashish24/VTK-old,demarle/VTK,biddisco/VTK,daviddoria/PointGraphsPhase1,msmolens/VTK,ashray/VTK-EVM,hendradarwin/VTK,mspark93/VTK,sumedhasingla/VTK,Wuteyan/VTK,gram526/VTK,spthaolt/VTK,daviddoria/PointGraphsPhase1,biddisco/VTK,cjh1/VTK,daviddoria/PointGraphsPhase1,collects/VTK,naucoin/VTKSlicerWidgets,arnaudgelas/VTK,sumedhasingla/VTK,aashish24/VTK-old,cjh1/VTK,msmolens/VTK,aashish24/VTK-old,msmolens/VTK,ashray/VTK-EVM,berendkleinhaneveld/VTK,candy7393/VTK,daviddoria/PointGraphsPhase1,Wuteyan/VTK,johnkit/vtk-dev,biddisco/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,johnkit/vtk-dev