Ejemplo n.º 1
0
 public function testCos()
 {
     $this->assertTrue(CMathf::equalsZt(CMathf::cos(0.0), 1.0));
     $this->assertTrue(CMathf::equalsZt(CMathf::cos(CMathf::HALF_PI), 0.0));
     $this->assertTrue(CMathf::equalsZt(CMathf::cos(CMathf::PI / 4), 0.707106781));
     $this->assertTrue(CMathf::equalsZt(CMathf::cos(CMathf::PI / 6), 0.8660254040000001));
     $this->assertTrue(CMathf::equalsZt(CMathf::cos(10), -0.839071529));
 }