anchor.diff:        mwPointer, intent(in) :: pm
         end function mxGetImagData
   !-----
  -      real(8) function mxGetInf
  +      real(8) function mxGetInf()
         end function mxGetInf
   !-----
         mwPointer function mxGetIr(pm)
  
positive.code:       mwPointer, intent(in) :: mx
        end function mxGetN
  !-----
        real(8) function mxGetNaN
        end function mxGetNaN
  !-----
        mwSize function mxGetNumberOfDimensions( mx )
  
negative.code:       mwPointer, intent(in) :: pm
        end function mxGetElementSize
  !-----
        real(8) function mxGetEps()
        end function mxGetEps
  !-----
        mwPointer function mxGetField(pm, fieldindex, fieldname)
  