function stroud_test32 ( ) %*****************************************************************************80 % %% TEST32 tests SPHERE_05_ND, SPHERE_07_1_ND. % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 06 April 2009 % % Author: % % John Burkardt % global FUNC_ND_INDEX; n_max = 5; num = function_nd_num ( ); fprintf ( 1, '\n' ); fprintf ( 1, 'TEST32\n' ); fprintf ( 1, ' For integrals on a sphere in ND:\n' ); fprintf ( 1, ' SPHERE_05_ND uses a formula of degree 5.\n' ); fprintf ( 1, ' SPHERE_07_1_ND uses a formula of degree 7.\n' ); fprintf ( 1, '\n' ); r = 2.0; xc(1:n_max) = 1.0; for n = 2 : 4 fprintf ( 1, '\n' ); fprintf ( 1, ' Spatial dimension N = %d\n', n ); fprintf ( 1, ' Sphere center = \n' ); for i = 1 : n fprintf ( 1, ' %12f\n', xc(i) ); end fprintf ( 1, ' Sphere radius = %f\n', r ); fprintf ( 1, ' Sphere area = %f\n', sphere_area_nd ( n, r ) ); fprintf ( 1, '\n' ); fprintf ( 1, ' Rule: #5 #7.1\n' ); fprintf ( 1, ' Function\n' ); fprintf ( 1, '\n' ); for i = 1 : num FUNC_ND_INDEX = i; result1 = sphere_05_nd ( 'function_nd', n, xc, r ); result2 = sphere_07_1_nd ( 'function_nd', n, xc, r ); fname = function_nd_name ( i ); fprintf ( 1, ' %s %12f %12f\n', fname, result1, result2 ); end end return end