Hexahedron_Quality
This function returns the quality of hexahedron element.
Interface​
INTERFACE
  MODULE FUNCTION Hexahedron_quality(refelem, xij, measure) RESULT(Ans)
    CLASS(ReferenceElement_), INTENT(IN) :: refelem
    REAL(DFP), INTENT(IN) :: xij(:, :)
    INTEGER(I4B), INTENT(IN) :: measure
    REAL(DFP) :: Ans
  END FUNCTION Hexahedron_quality
END INTERFACE