MathPHP\Functions\Map\SingleTest::dataProviderForAbs PHP Метод

    public function dataProviderForAbs()
    {
        return [[[1, 2, 3, 4], [1, 2, 3, 4]], [[1, -2, 3, -4], [1, 2, 3, 4]], [[-1, -2, -3, -4], [1, 2, 3, 4]]];
    }