anchor.diff:      end forall
     end function
     
  -  !> interpolate scaler v within grid from node to interface
  +  !> interpolate scalar v within grid from node to interface
     function itplNode2IntfScal(v,grid)
       use moduleGrid
       use moduleBasicDataStruct
  
positive.code:     end forall
    end function
    
    !> interpolate scaler v within grid from node to facet
    function itplNode2FacetScal(v,grid)
      use moduleGrid
      use moduleBasicDataStruct
  
negative.code:     end forall
    end function
    
    !> interpolate scalar v within grid from node to edge
    function itplNode2EdgeScal(v,grid)
      use moduleGrid
      use moduleBasicDataStruct
  