BUG: try to fix possible div/0 problem on OSF
BUG: try to fix possible div/0 problem on OSF

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