/**
* Setups the math
*
* @param integer $defaultPrecision The default precision
* @return void
*/
public static function setup($defaultPrecision = null)
{
if (self::$setup) {
return;
}
if ($defaultPrecision) {
self::$defaultPrecision = (int) $defaultPrecision;
}
bcscale(self::$defaultPrecision);
self::$oldPrecision = array(ini_get('precision'), ini_get('bcmath.scale'));
if (function_exists('ini_set')) {
ini_set('bcmath.scale', self::$defaultPrecision);
ini_set('precision', self::$defaultPrecision);
} else {
trigger_error('Math precision could not be set due to forbidden "ini_set" function.', E_USER_WARNING);
}
self::$setup = true;
}