public function testHelperConstructorMethods()
{
$first = Rational::makeInteger($this->makeInteger(15));
$this->assertRational($first);
$this->assertEquals($first->getNumerator()->getValue(), 15);
$this->assertEquals($first->getDenominator()->getValue(), 1);
$second = Rational::makeZero($this->makeInteger(5));
$this->assertRational($second);
$this->assertEquals($second->getNumerator()->getValue(), 0);
$this->assertEquals($second->getDenominator()->getValue(), 5);
$third = Rational::makeZero();
$this->assertRational($third);
$this->assertEquals($third->getNumerator()->getValue(), 0);
$this->assertNotEquals($third->getDenominator()->getValue(), 0);
}
/**
* @param Rational $value
* @return bool
*/
public function isLessThan(Rational $value) : bool
{
$first = $this->getSimplified();
$second = $value->getSimplified();
$lcm = $first->getDenominator()->getLcm($second->getDenominator())->getValue();
$left = $first->getNumerator()->getValue();
$left *= $lcm / $first->getDenominator()->getValue();
$right = $second->getNumerator()->getValue();
$right *= $lcm / $second->getDenominator()->getValue();
return $left < $right;
}
