/** * This method tests the "multiply" method. * * @dataProvider data_multiply */ public function test_multiply(array $provided, array $expected) { $p0 = IInt32\Module::multiply(IInt32\Type::box($provided[0]), IInt32\Type::box($provided[1])); $e0 = $expected[0]; $this->assertInstanceOf('\\Saber\\Data\\IInt32\\Type', $p0); $this->assertEquals($e0, $p0->unbox()); }
/** * This method computes the nth factorial number. * * @access public * @static * @param IInt32\Type $n the operand * @return IInt32\Type the result */ public static function factorial(IInt32\Type $n) : IInt32\Type { return IInt32\Module::eq($n, IInt32\Type::zero())->unbox() ? IInt32\Type::one() : IInt32\Module::multiply($n, IInt32\Module::factorial(IInt32\Module::decrement($n))); }
/** * This method compares the operands for order. * * @access public * @static * @param IRatio\Type $x the left operand * @param IRatio\Type $y the right operand * @return ITrit\Type the order as to whether the left * operand is less than, equals to, * or greater than the right operand */ public static function compare(IRatio\Type $x, IRatio\Type $y) : ITrit\Type { return IInt32\Module::compare(IInt32\Module::multiply($x->numerator(), $y->denominator()), IInt32\Module::multiply($y->numerator(), $x->denominator())); }