public function testExp() { $this->assertTrue(CMathf::equalsZt(CMathf::exp(1.0), 2.718281828)); $this->assertTrue(CMathf::equalsZt(CMathf::exp(5.0), 148.413159103)); $this->assertTrue(CMathf::equalsZt(CMathf::exp(1), 2.718281828)); $this->assertTrue(CMathf::equalsZt(CMathf::exp(5), 148.413159103)); }