IntCurveSurface → math Relation

File in src/IntCurveSurface	Includes file in src/math
IntCurveSurface_TheCSFunctionOfHInter.hxx	math_FunctionSetWithDerivatives.hxx
IntCurveSurface_TheCSFunctionOfHInter.hxx	math_Vector.hxx
IntCurveSurface_TheQuadCurvFuncOfTheQuadCurvExactHInter.hxx	math_FunctionWithDerivative.hxx