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PJACKLAM / Math-Matrix-0.94 / t / randn.t 

            

              
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#!perl
use strict;
use warnings;
use Math::Matrix;
use Test::More tests => 18;
note('Math::Matrix -> randn(2, 3);');
{
    my $x = Math::Matrix -> randn(2, 3);
    is(ref($x), 'Math::Matrix', '$x is a Math::Matrix');
    my ($nrow, $ncol) = $x -> size();
    cmp_ok($nrow, '==', 2, 'number of rows in $x');
    cmp_ok($ncol, '==', 3, 'number of columns in $x');
}
note('Math::Matrix -> randn(1, 3);');
{
    my $x = Math::Matrix -> randn(1, 3);
    is(ref($x), 'Math::Matrix', '$x is a Math::Matrix');
    my ($nrow, $ncol) = $x -> size();
    cmp_ok($nrow, '==', 1, 'number of rows in $x');
    cmp_ok($ncol, '==', 3, 'number of columns in $x');
}
note('Math::Matrix -> randn(3, 1);');
{
    my $x = Math::Matrix -> randn(3, 1);
    is(ref($x), 'Math::Matrix', '$x is a Math::Matrix');
    my ($nrow, $ncol) = $x -> size();
    cmp_ok($nrow, '==', 3, 'number of rows in $x');
    cmp_ok($ncol, '==', 1, 'number of columns in $x');
}
note('Math::Matrix -> randn(3);');
{
    my $x = Math::Matrix -> randn(3);
    is(ref($x), 'Math::Matrix', '$x is a Math::Matrix');
    my ($nrow, $ncol) = $x -> size();
    cmp_ok($nrow, '==', 3, 'number of rows in $x');
    cmp_ok($ncol, '==', 3, 'number of columns in $x');
}
note('Math::Matrix -> randn(0);');
{
    my $x = Math::Matrix -> randn(0, 0);
    is(ref($x), 'Math::Matrix', '$x is a Math::Matrix');
    my ($nrow, $ncol) = $x -> size();
    cmp_ok($nrow, '==', 0, 'number of rows in $x');
    cmp_ok($ncol, '==', 0, 'number of columns in $x');
}
note('Math::Matrix -> randn();');
{
    my $x = Math::Matrix -> randn();
    is(ref($x), 'Math::Matrix', '$x is a Math::Matrix');
    my ($nrow, $ncol) = $x -> size();
    cmp_ok($nrow, '==', 1, 'number of rows in $x');
    cmp_ok($ncol, '==', 1, 'number of columns in $x');
}