In my knowledge there is no such classification. But AMS has this:

65-xx Numerical analysis

65Dxx Numerical approximation and computational geometry (primarily algorithms) {For theory, see 41-XX and 68Uxx}

65D05 Interpolation

65D07 Splines

65D10 Smoothing, curve fitting

65D15 Algorithms for functional approximation

65D17 Computer aided design (modeling of curves and surfaces) [See also 68U07]

65D18 Computer graphics, image analysis, and computational geometry [See also 51N05, 68U05]

65D19 Computational issues in computer and robotic vision

65D20 Computation of special functions, construction of tables [See also 33F05]

65D25 Numerical differentiation

65D30 Numerical integration

65D32 Quadrature and cubature formulas

65D99 None of the above, but in this section

and this:

68-xx Computer science For papers involving machine computations and programs in a specific mathematical area, see Section–04 in that area

68Uxx Computing methodologies and applications

68U01 General

68U05 Computer graphics; computational geometry [See also 65D18]

68U07 Computer-aided design [See also 65D17]

68U10 Image processing

68U15 Text processing; mathematical typography

68U20 Simulation [See also 65Cxx]

68U35 Information systems (hypertext navigation, interfaces, decision support, etc.) [See also 68M11]

68U99 None of the above, but in this section

and this:

65-xx Numerical analysis

65Dxx Numerical approximation and computational geometry (primarily algorithms) {For theory, see 41-XX and 68Uxx}

65D05 Interpolation

65D07 Splines

65D10 Smoothing, curve fitting

65D15 Algorithms for functional approximation

65D17 Computer aided design (modeling of curves and surfaces) [See also 68U07]

65D18 Computer graphics, image analysis, and computational geometry [See also 51N05, 68U05]

65D19 Computational issues in computer and robotic vision

65D20 Computation of special functions, construction of tables [See also 33F05]

65D25 Numerical differentiation

65D30 Numerical integration

65D32 Quadrature and cubature formulas

65D99 None of the above, but in this section

http://www.ams.org/mathscinet/msc/msc2010.html?t=65Dxx&btn=Current

http://www.ams.org/mathscinet/msc/msc2010.html?t=68Uxx&btn=Current

Thanks a lot for the input.