4 views 
Summery Summery
Is a field element negative? (1 = yes, 0 = no. Used in calculations.)
Syntax Syntax
Parameters Parameters
- $f
-
(Required)
Return Return
(int)
Source Source
File: wp-includes/sodium_compat/src/Core/Curve25519.php
public static function fe_isnegative(ParagonIE_Sodium_Core_Curve25519_Fe $f)
{
$str = self::fe_tobytes($f);
return (int) (self::chrToInt($str[0]) & 1);
}