view release on metacpan or  search on metacpan

lib/AI/MXNet/TestUtils.pm  view on Meta::CPAN

            Test::More::ok(
                almost_equal(
                    $arr, $gtarr,
                    $tol->{$dtypes[$i]}
                )
            );
        }, $output_names, $exe->outputs);
    }, \@exe_list);

    # train
    if ($grad_req ne 'null')
    {
        for my $exe (@exe_list)
        {
            $exe->forward(1);
            $exe->backward($exe->outputs);
        }
        enumerate(sub {
            my ($i, $exe) = @_;
            return if($i == $max_idx);
            zip(sub {
                my ($name, $arr) = @_;
                if (not defined $gt->{$name})
                {
                    Test::More::ok(not defined $arr);
                    return;
                }
                my $gtarr = $gt->{$name}->astype($dtypes[$i])->aspdl;
                $arr = $arr->aspdl;
                Test::More::ok(
                    almost_equal(
                        $arr, $gtarr,
                        $tol->{$dtypes[$i]}
                    )
                );
            }, [@$output_names, @$arg_names], [@{ $exe->outputs }, @{ $exe->grad_arrays }]);
        }, \@exe_list);
    }
    return $gt;
}

sub zip
{
    my ($sub, @arrays) = @_;
    my $len = @{ $arrays[0] };
    for (my $i = 0; $i < $len; $i++)
    {
        $sub->(map { $_->[$i] } @arrays);
    }
}

sub enumerate
{
    my ($sub, @arrays) = @_;
    my $len = @{ $arrays[0] };
    zip($sub, [0..$len-1], @arrays);
}

sub assert
{
    my ($input, $error_str) = @_;
    local($Carp::CarpLevel) = 1;
    Carp::confess($error_str//'AssertionError')
        unless $input;
}

=head2 same_array

    Check whether two NDArrays sharing the same memory block

    Parameters
    ----------

    array1 : NDArray
        First NDArray to be checked
    array2 : NDArray
        Second NDArray to be checked

    Returns
    -------
    bool
        Whether two NDArrays share the same memory
=cut

func same_array(
    AI::MXNet::NDArray $array1,
    AI::MXNet::NDArray $array2
)
{
    $array1 += 1;
    if(not same($array1->aspdl, $array2->aspdl))
    {
        $array1 -= 1;
        return 0
    }
    $array1 -= 1;
    return same($array1->aspdl, $array2->aspdl);
}

func dies_like($code, $regexp)
{
    eval { $code->() };
    if($@ =~ $regexp)
    {
        return 1;
    }
    else
    {
        warn $@;
        return 0;
    }
}

1;