function quasigeometric_cdf_test ( ) %*****************************************************************************80 % %% QUASIGEOMETRIC_CDF_TEST tests QUASIGEOMETRIC_CDF. % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 06 April 2016 % % Author: % % John Burkardt % fprintf ( 1, '\n' ); fprintf ( 1, 'QUASIGEOMETRIC_CDF_TEST\n' ); fprintf ( 1, ' QUASIGEOMETRIC_CDF evaluates the Quasigeometric CDF;\n' ); fprintf ( 1, ' QUASIGEOMETRIC_CDF_INV inverts the Quasigeometric CDF.\n' ); fprintf ( 1, ' QUASIGEOMETRIC_PDF evaluates the Quasigeometric PDF;\n' ); a = 0.4825; b = 0.5893; fprintf ( 1, '\n' ); fprintf ( 1, ' PDF parameter A = %14g\n', a ); fprintf ( 1, ' PDF parameter B = %14g\n', b ); check = quasigeometric_check ( a, b ); if ( ~ check ); fprintf ( 1, '\n' ); fprintf ( 1, 'QUASIGEOMETRIC_CDF_TEST - Fatal error!\n' ); fprintf ( 1, ' The parameters are not legal.\n' ); return end seed = 123456789; fprintf ( 1, '\n' ); fprintf ( 1, ' X PDF CDF CDF_INV\n' ); fprintf ( 1, '\n' ); for i = 1 : 10 [ x, seed ] = quasigeometric_sample ( a, b, seed ); pdf = quasigeometric_pdf ( x, a, b ); cdf = quasigeometric_cdf ( x, a, b ); x2 = quasigeometric_cdf_inv ( cdf, a, b ); fprintf ( 1, ' %14d %14g %14g %14d\n', x, pdf, cdf, x2 ); end return end