public function testLog2() { $this->assertTrue(CMathf::equalsZt(CMathf::log2(16.0), 4.0)); $this->assertTrue(CMathf::equalsZt(CMathf::log2(256.0), 8.0)); $this->assertTrue(CMathf::equalsZt(CMathf::log2(16), 4.0)); $this->assertTrue(CMathf::equalsZt(CMathf::log2(256), 8.0)); }