public function testMinMax()
{
$min;
$max;
CMathf::minMax(1.2, 2.8, $min, $max);
$this->assertTrue($min === 1.2 && $max === 2.8);
$min;
$max;
CMathf::minMax(-1.2, -2.8, $min, $max);
$this->assertTrue($min === -2.8 && $max === -1.2);
$min;
$max;
CMathf::minMax(1, 2, $min, $max);
$this->assertTrue($min === 1.0 && $max === 2.0);
$min;
$max;
CMathf::minMax(-1, -2, $min, $max);
$this->assertTrue($min === -2.0 && $max === -1.0);
}