Improve the performance of vtkDataArray::ComputeScalarRange.
Improve the performance of vtkDataArray::ComputeScalarRange.

Change-Id: I39b78cb5fa4f48ae296d343bab0cf41d63327f92

ashray/VTK-EVM,candy7393/VTK,johnkit/vtk-dev,hendradarwin/VTK,mspark93/VTK,msmolens/VTK,candy7393/VTK,hendradarwin/VTK,keithroe/vtkoptix,SimVascular/VTK,mspark93/VTK,sumedhasingla/VTK,candy7393/VTK,hendradarwin/VTK,demarle/VTK,msmolens/VTK,keithroe/vtkoptix,johnkit/vtk-dev,sankhesh/VTK,sumedhasingla/VTK,sumedhasingla/VTK,gram526/VTK,johnkit/vtk-dev,SimVascular/VTK,gram526/VTK,candy7393/VTK,SimVascular/VTK,sankhesh/VTK,sankhesh/VTK,gram526/VTK,hendradarwin/VTK,sumedhasingla/VTK,sankhesh/VTK,jmerkow/VTK,jmerkow/VTK,ashray/VTK-EVM,jmerkow/VTK,SimVascular/VTK,mspark93/VTK,hendradarwin/VTK,berendkleinhaneveld/VTK,candy7393/VTK,gram526/VTK,SimVascular/VTK,demarle/VTK,demarle/VTK,sumedhasingla/VTK,SimVascular/VTK,hendradarwin/VTK,msmolens/VTK,johnkit/vtk-dev,candy7393/VTK,ashray/VTK-EVM,demarle/VTK,keithroe/vtkoptix,candy7393/VTK,keithroe/vtkoptix,ashray/VTK-EVM,berendkleinhaneveld/VTK,berendkleinhaneveld/VTK,msmolens/VTK,jmerkow/VTK,gram526/VTK,johnkit/vtk-dev,jmerkow/VTK,keithroe/vtkoptix,sankhesh/VTK,demarle/VTK,ashray/VTK-EVM,ashray/VTK-EVM,gram526/VTK,berendkleinhaneveld/VTK,demarle/VTK,demarle/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,johnkit/vtk-dev,msmolens/VTK,SimVascular/VTK,keithroe/vtkoptix,ashray/VTK-EVM,mspark93/VTK,sumedhasingla/VTK,berendkleinhaneveld/VTK,jmerkow/VTK,mspark93/VTK,msmolens/VTK,sumedhasingla/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,msmolens/VTK,jmerkow/VTK,sankhesh/VTK,sumedhasingla/VTK,mspark93/VTK,msmolens/VTK,demarle/VTK,hendradarwin/VTK,johnkit/vtk-dev,gram526/VTK,gram526/VTK,keithroe/vtkoptix,mspark93/VTK,jmerkow/VTK,ashray/VTK-EVM,SimVascular/VTK,keithroe/vtkoptix,candy7393/VTK,mspark93/VTK