Esempio n. 1
0
 /**
  *
  */
 public function testGCD()
 {
     $this->assertEquals(1, Utils::gcd(1, 2));
     $this->assertEquals(1, Utils::gcd(-1, 2));
     $this->assertEquals(1, Utils::gcd(1, -2));
     $this->assertEquals(1, Utils::gcd(-1, -2));
     $this->assertEquals(1, Utils::gcd(4, 7));
     $this->assertEquals(4, Utils::gcd(4, 8));
 }
Esempio n. 2
0
 /**
  * Simplify this fraction
  *
  * @return Fraction
  */
 public function simplify()
 {
     $g = Utils::gcd($this->numerator, $this->denominator);
     return new self($this->numerator / $g, $this->denominator / $g);
 }