public function testRandom()
{
for ($i = 0; $i < 10; $i++) {
$rnd = CMathf::random();
$this->assertTrue(0.0 <= $rnd && $rnd < 1.0);
}
}
/**
* Returns a random number in the specified range.
*
* The values of both of the parameters can possibly be returned by the method.
*
* The algorithm behind the random number generator is Mersenne twister.
*
* @param number $min The lower bound of the range, inclusively.
* @param number $max The higher bound of the range, inclusively.
*
* @return int A random number from the range specified.
*/
public static function intervalRandom($min, $max)
{
assert('is_number($min) && is_number($max)', vs(isset($this), get_defined_vars()));
$intMin = (int) $min;
$intMax = (int) $max;
return $intMin + (int) (($intMax - $intMin + 1) * CMathf::random());
}