public function testIsMutableTrue() { // Arrange $bigInteger = new BigNumber('123', 10, true); // Act $result = $bigInteger->isMutable(); // Assert $this->assertTrue($result); }
/** * Gets the square of the vector's length. * * @return float */ public function getLengthSquared() { $result = new BigNumber(); $vectorSize = $this->getSize(); for ($i = 0; $i < $vectorSize; ++$i) { $pow = new BigNumber($this->getElement($i)); $pow->pow(2); $result->add($pow); } return $result; }
public function testWithMutableTrue() { // Arrange $bigNumber = new BigNumber('-5', 10, true); // Act $newBigNumber = $bigNumber->abs(); // Assert $this->assertInstanceOf('PHP\\Math\\BigNumber\\BigNumber', $bigNumber); $this->assertInstanceOf('PHP\\Math\\BigNumber\\BigNumber', $newBigNumber); $this->assertEquals('5', $bigNumber->getValue()); $this->assertEquals('5', $newBigNumber->getValue()); }
public function testWithCustomScale() { // Arrange // ... // Act $bigNumber = new BigNumber('12345.67890', 2); // Assert $this->assertInternalType('string', $bigNumber->getValue()); $this->assertEquals('12345.67', $bigNumber->getValue()); }
/** * Multiplies the two given numbers. * * @param BigNumber $lft The left number. * @param BigNumber $rgt The right number. * @param int $scale The scale of the calculated number. * @param bool $mutable Whether or not the result is mutable. * @return BigNumber */ public static function multiply(BigNumber $lft, BigNumber $rgt, $scale = 10, $mutable = true) { $bigNumber = new BigNumber($lft, $scale, $mutable); return $bigNumber->multiply($rgt); }