private function round($value, $precision)
    {
        $precision = $this->getUninitializedPrecision($value, $precision);

        $roundingModeAttribute = $this->getAttribute(self::ROUNDING_MODE);
        if (isset(self::$phpRoundingMap[$roundingModeAttribute])) {
            $value = round($value, $precision, self::$phpRoundingMap[$roundingModeAttribute]);
        } elseif (isset(self::$customRoundingList[$roundingModeAttribute])) {
            $roundingCoef = pow(10, $precision);
            $value *= $roundingCoef;
            $value = (float) (string) $value;

            switch ($roundingModeAttribute) {
                case self::ROUND_CEILING:
                    $value = ceil($value);
                    break;
                case self::ROUND_FLOOR:
                    $value = floor($value);
                    break;
                case self::ROUND_UP:
                    $value = $value > 0 ? ceil($value) : floor($value);
                    break;
                case self::ROUND_DOWN:
                    $value = $value > 0 ? floor($value) : ceil($value);
                    break;
            }

            $value /= $roundingCoef;
        }

        return $value;
    }