public static function ParagonIE_Sodium_Core_Util::abs in Automatic Updates 8

Same name and namespace in other branches

1. 7 vendor/paragonie/sodium_compat/src/Core/Util.php \ParagonIE_Sodium_Core_Util::abs()

Parameters

int $integer:

int $size (16, 32, 64):

Return value

int

File

vendor/paragonie/sodium_compat/src/Core/Util.php, line 17

Class

ParagonIE_Sodium_Core_Util

Class ParagonIE_Sodium_Core_Util

Code

public static function abs($integer, $size = 0) {

  /** @var int $realSize */
  $realSize = (PHP_INT_SIZE << 3) - 1;
  if ($size) {
    --$size;
  }
  else {

    /** @var int $size */
    $size = $realSize;
  }
  $negative = -($integer >> $size & 1);
  return (int) (($integer ^ $negative) + ($negative >> $realSize & 1));
}