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package Math::GSL::SparseMatrix::Test;
use base 'Test::Class';
use Test::Most;
use Math::GSL qw/:all/;
use Math::GSL::Matrix qw/:all/;
use Math::GSL::Errno qw/:all/;
use Math::GSL::Test qw/:all/;
use Data::Dumper;
use strict;
use warnings;
BEGIN{ gsl_set_error_handler_off() };
BEGIN {
my $version= gsl_version();
my ($major, $minor) = split /\./, $version;
if ($major >= 2 && $minor >= 0) {
eval "use Math::GSL::SparseMatrix qw/:all/";
die $@ if $@;
} else {
plan skip_all => "SparseMatrix was added in GSL 2.0";
exit(0);
}
}
sub make_fixture : Test(setup) {
my $self = shift;
}
sub teardown : Test(teardown) {
my $self = shift;
}
sub TEST_SPARSE_TRANSPOSE_MEMCPY : Tests {
my $sparse1 = gsl_spmatrix_alloc(100,100);
gsl_spmatrix_set($sparse1, 12, 34, 42 );
my $sparse2 = gsl_spmatrix_alloc(100,100);
my $status = gsl_spmatrix_transpose_memcpy($sparse2, $sparse1);
ok_status($status);
my $value = gsl_spmatrix_get($sparse2, 34, 12);
ok_similar($value, 42, 'gsl_spmatrix_transpose_memcpy seems to work');
}
sub TEST_SPARSE_TRANSPOSE : Tests {
my $version= gsl_version();
my ($major, $minor) = split /\./, $version;
# this was added in GSL 2.2
if ($major >= 2 && $minor >= 2) {
my $sparse = gsl_spmatrix_alloc(100,100);
gsl_spmatrix_set($sparse,42,69,3.14);
my $status1 = gsl_spmatrix_transpose($sparse);
ok_status($status1);
my $value = gsl_spmatrix_get($sparse,69,42);
ok_similar($value, 3.14);
my $status2 = gsl_spmatrix_transpose2($sparse);
ok_status($status2);
}
}
sub TEST_SPARSE_MEMCPY : Tests {
my $sparse1 = gsl_spmatrix_alloc(100,100);
gsl_spmatrix_set($sparse1, 50,50, 42 );
my $sparse2 = gsl_spmatrix_alloc(100,100);
my $status = gsl_spmatrix_memcpy($sparse2, $sparse1);
ok_status($status);
my $value = gsl_spmatrix_get($sparse2, 50, 50);
ok_similar($value, 42, 'gsl_spmatrix_memcpy seems to work');
}
sub TEST_SPARSE_DENSE : Tests {
my $self = shift;
my $sparse = gsl_spmatrix_alloc(100,100);
my $dense = gsl_matrix_alloc(100,100);
gsl_matrix_set($dense,50,50, 42 );
my $status = gsl_spmatrix_d2sp($sparse, $dense);
ok_status($status);
my $value = gsl_spmatrix_get($sparse,50,50);
ok_similar($value, 42, 'sparse value looks correct');
$status = gsl_spmatrix_sp2d($dense, $sparse);
ok_status($status);
$value = gsl_matrix_get($dense,50,50);
ok_similar($value, 42, 'dense value looks correct');
}
sub TEST_SPARSE_COMPRESSED : Tests {
my $version= gsl_version();
my ($major, $minor) = split /\./, $version;
# this was added in GSL 2.2
if ($major >= 2 && $minor >= 2) {
my $sparse = gsl_spmatrix_alloc(100,100);
my $status = gsl_spmatrix_set($sparse,42, 69, 6666);
ok_status($status);
my $ccs = gsl_spmatrix_ccs($sparse);
my $crs = gsl_spmatrix_crs($sparse);
my $value6 = gsl_spmatrix_get($ccs,42,69);
ok_similar($value6, 6666);
my $value7 = gsl_spmatrix_get($ccs,42,69);
ok_similar($value7, 6666);
my $nnz2 = gsl_spmatrix_nnz($ccs);
cmp_ok($nnz2, '==', 1, 'gsl_spmatrix_nnz on a ccs spmatrix');
my $nnz3 = gsl_spmatrix_nnz($crs);
cmp_ok($nnz3, '==', 1, 'gsl_spmatrix_nnz on a crs spmatrix');
my $ptr = gsl_spmatrix_ptr($sparse, 42, 69);
ok(1, "got ptr=$ptr");
}
}
sub TEST_BASIC : Tests {
my $self = shift;
my $sparse = gsl_spmatrix_alloc(100,100);
my $value = gsl_spmatrix_get($sparse,50,50);
ok_similar($value,0);
my $status = gsl_spmatrix_set($sparse,50,50,42.42);
ok_status($status);
my $value2 = gsl_spmatrix_get($sparse,50,50);
ok_similar($value2, 42.42);
my $status2 = gsl_spmatrix_set_zero($sparse);
ok_status($status2);
my $value3 = gsl_spmatrix_get($sparse,50,50);
ok_similar($value3, 0);
my $status6 = gsl_spmatrix_scale($sparse, 5);
ok_status($status6);
gsl_spmatrix_set($sparse, 42, 69, 6666);
my $value5 = gsl_spmatrix_get($sparse,42,69);
ok_similar($value5, 6666);
gsl_spmatrix_set($sparse,5,5, -100.1234);
my $nnz = gsl_spmatrix_nnz($sparse);
cmp_ok($nnz, '==', 2, 'gsl_spmatrix_nnz = 2');
my ($status7, $min, $max) = gsl_spmatrix_minmax($sparse);
ok_similar( $min, -100.1234, 'gsl_spmatrix_minmax min');
ok_similar( $max, 6666, 'gsl_spmatrix_minmax max');
lives_ok { gsl_spmatrix_free($sparse) };
}
Test::Class->runtests;
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