function r8_gamr_test ( )

%*****************************************************************************80
%
%% R8_GAMR_TEST tests R8_GAMR.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    25 April 2016
%
%  Author:
%
%    John Burkardt
%
  addpath ( '../test_values' );

  fprintf ( 1, '\n' );
  fprintf ( 1, 'R8_GAMR_TEST:\n' );
  fprintf ( 1, '  R8_GAMR computes 1/Gamma(x).\n' );
  fprintf ( 1, '\n' );
  fprintf ( 1, '             X      1/GAMMA(X)  R8_GAMR(X)        Diff\n' );
  fprintf ( 1, '\n' );

  n_data = 0;

  while ( 1 )

    [ n_data, x, gx ] = gamma_values ( n_data );

    if ( n_data == 0 )
      break
    end

    fx1 = 1.0 / gx;
    fx2 = r8_gamr ( x );

    fprintf ( 1, '  %14.6g  %14.6g  %14.6g  %14.6g\n', x, fx1, fx2, abs ( fx1 - fx2 ) );

  end

  rmpath ( '../test_values' );

  return
end
