public function testRadToDeg() { $this->assertTrue(CMathf::equalsZt(CMathf::radToDeg(0.0), 0.0)); $this->assertTrue(CMathf::equalsZt(CMathf::radToDeg(CMathf::HALF_PI), 90.0)); $this->assertTrue(CMathf::equalsZt(CMathf::radToDeg(CMathf::PI), 180.0)); $this->assertTrue(CMathf::equalsZt(CMathf::radToDeg(CMathf::PI * 2), 360.0)); $this->assertTrue(CMathf::equalsZt(CMathf::radToDeg(10), 572.95779513)); }