1 package Math::GSL::Monte::Test;
2 use base q{Test::Class};
3 use Test::More tests => 12;
4 use Math::GSL::Monte qw/:all/;
5 use Math::GSL::Errno qw/:all/;
6 use Math::GSL::RNG qw/:all/;
7 use Math::GSL::Test qw/:all/;
11 BEGIN { gsl_set_error_handler_off() }
13 sub make_fixture : Test(setup) {
15 my $j = 1 + int(rand(20));
16 $self->{miser} = gsl_monte_miser_alloc($j);
17 $self->{vegas} = gsl_monte_vegas_alloc($j);
18 $self->{plain} = gsl_monte_plain_alloc($j);
22 sub teardown : Test(teardown) {
24 gsl_monte_miser_free($self->{miser});
25 gsl_monte_plain_free($self->{plain});
26 gsl_monte_vegas_free($self->{vegas});
29 sub TEST_INIT : Tests(3) {
31 ok_status( gsl_monte_plain_init($self->{plain}), $GSL_SUCCESS, 'plain' );
32 ok_status( gsl_monte_vegas_init($self->{vegas}), $GSL_SUCCESS, 'vegas' );
33 ok_status( gsl_monte_miser_init($self->{miser}), $GSL_SUCCESS, 'miser' );
36 sub TEST_MONTE_VEGAS_INTEGRATE : Tests(3) {
38 my $state = gsl_monte_vegas_alloc(1);
39 my $rng = Math::GSL::RNG->new;
41 ($status, @stuff) = gsl_monte_vegas_integrate( sub { $_[0] ** 2 },
42 [ 0 ], [ 1 ], 1, 500000, $rng->raw, $state,);
44 ok( $state->{dim} == 1, 'dim = 1');
45 warn Dumper [ @stuff ];
46 warn Dumper [ $status, $state, $state->{result} ];
48 local $TODO = 'result of Monte carlo needs fixin';
49 ok_similar( [ 1/3 ] , [ $state->{result} ] );
52 sub TEST_ALLOC : Tests(6) {
54 isa_ok($self->{miser},'Math::GSL::Monte');
55 cmp_ok($self->{miser}->{dim},'==',$self->{dim});
57 isa_ok($self->{vegas},'Math::GSL::Monte');
58 cmp_ok($self->{vegas}->{dim},'==',$self->{dim});
60 isa_ok($self->{plain},'Math::GSL::Monte');
61 cmp_ok($self->{plain}->{dim},'==',$self->{dim});
63 Test::Class->runtests;