Bitpay\Math\Math::getEngineName PHP Method

    public static function getEngineName()
    {
        return static::$engineName;
    }

 /**
  * This method returns a binary string representation of
  * the decimal number. Used for the doubleAndAdd() method.
  *
  * @see http://php.net/manual/en/function.decbin.php but for large numbers
  *
  * @param string
  * @return string
  */
 public static function decToBin($dec)
 {
     if (substr(strtolower($dec), 0, 2) == '0x') {
         $dec = self::decodeHex(substr($dec, 2));
     }
     $bin = '';
     while (Math::cmp($dec, '0') > 0) {
         if (Math::mod($dec, 2) == '1') {
             $bin .= '1';
         } else {
             $bin .= '0';
         }
         $prevDec = $dec;
         $dec = Math::div($dec, 2);
         //sanity check to avoid infinite loop
         if (Math::cmp($prevDec, $dec) < 1) {
             throw new \Exception('Math library has unexpected behavior, please report the following information to [email protected]. Math Engine is: ' . Math::getEngineName() . '. PHP Version is: ' . phpversion() . '.');
         }
     }
     return $bin;
 }