77      * @param mixed $x integer Base-10 number or base-$base number if $base set.
82     public function __construct($x = 0, $base = 10)  argument
92         parent::__construct($x, $base);
105                 $x = (strlen($this->value) & 1) ? '0' . $this->value : $this->value;
106                 $temp = new static(Hex::decode($x), 256);
115                 $x = $this->value;
117                 if ($x[0] == '-') {
119                     $x = substr($x, 1);
122                 $x = str_pad(
123                     $x,
124                     strlen($x) + ((static::MAX10LEN - 1) * strlen($x)) % static::MAX10LEN,
128                 while (strlen($x)) {
130 …            $temp = $temp->add(new static($this->int2bytes(substr($x, 0, static::MAX10LEN)), 256));
131                     $x = substr($x, static::MAX10LEN);
549         $x = clone $this;
552         $x_sign = $x->is_negative;
555         $x->is_negative = $y->is_negative = false;
557         $diff = $x->compare($y);
569                 $x = $y->subtract($x);
571             return [$this->normalize(static::$zero[static::class]), $this->normalize($x)];
579         $x->lshift($shift);
583         $x_max = count($x->value) - 1;
607         while ($x->compare($temp) >= 0) {
610             $x = $x->subtract($temp);
611             $x_max = count($x->value) - 1;
615             $x_value = &$x->value;
658             $x = $x->subtract($temp);
660             if ($x->compare(static::$zero[static::class]) < 0) {
662                 $x = $x->add($temp);
671         $x->rshift($shift);
678             $x = $y->subtract($x);
681         return [$this->normalize($quotient), $this->normalize($x)];
715      * @param int $x
719     private static function safe_divide($x, $y)  argument
722             return (int)($x / $y);
727         return ($x - ($x % $y)) / $y;
891      * @param int $x
894     private static function int2bytes($x)  argument
896         return ltrim(pack('N', $x), chr(0));
1001     protected static function square(array $x)  argument
1003         return count($x) < 2 * self::KARATSUBA_CUTOFF ?
1004             self::trim(self::baseSquare($x)) :
1005             self::trim(self::karatsubaSquare($x));
1185     public function testBit($x)  argument
1187         $digit = (int) floor($x / static::BASE);
1188         $bit = $x % static::BASE;