function x = p00_sol ( test, m, n )

%*****************************************************************************80
%
%% p00_sol() returns the solution of the problem, if known.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    03 March 2026
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    integer test: the test index.
%
%    integer M, the number of equations.
%
%    integer N, the number of variables.
%
%  Output:
%
%    real X(N), the solution if known; otherwise an empty vector.
%
  if ( test == 1 )
    x = p01_sol ( m, n );
  elseif ( test == 2 )
    x = p02_sol ( m, n );
  elseif ( test == 3 )
    x = p03_sol ( m, n );
  elseif ( test == 4 )
    x = p04_sol ( m, n );
  elseif ( test == 5 )
    x = p05_sol ( m, n );
  elseif ( test == 6 )
    x = p06_sol ( m, n );
  elseif ( test == 7 )
    x = p07_sol ( m, n );
  elseif ( test == 8 )
    x = p08_sol ( m, n );
  elseif ( test == 9 )
    x = p09_sol ( m, n );
  elseif ( test == 10 )
    x = p10_sol ( m, n );
  elseif ( test == 11 )
    x = p11_sol ( m, n );
  elseif ( test == 12 )
    x = p12_sol ( m, n );
  elseif ( test == 13 )
    x = p13_sol ( m, n );
  elseif ( test == 14 )
    x = p14_sol ( m, n );
  elseif ( test == 15 )
    x = p15_sol ( m, n );
  elseif ( test == 16 )
    x = p16_sol ( m, n );
  elseif ( test == 17 )
    x = p17_sol ( m, n );
  elseif ( test == 18 )
    x = p18_sol ( m, n );
  elseif ( test == 19 )
    x = p19_sol ( m, n );
  elseif ( test == 20 )
    x = p20_sol ( m, n );
  elseif ( test == 21 )
    x = p21_sol ( m, n );
  elseif ( test == 22 )
    x = p22_sol ( m, n );
  elseif ( test == 23 )
    x = p23_sol ( m, n );
  elseif ( test == 24 )
    x = p24_sol ( m, n );
  elseif ( test == 25 )
    x = p25_sol ( m, n );
  elseif ( test == 26 )
    x = p26_sol ( m, n );
  else
    fprintf ( 1, '\n' );
    fprintf ( 1, 'p00_sol(): Fatal error!\n' );
    fprintf ( 1, '  Illegal test index = %d\n', test );
    error ( 'p00_sol(): Fatal error!\n' );
  end

  return
end

