Vocabulary
math

Inputs and outputs

x	an integer
y	an integer

Word description
Computes the bitwise complement of the input; that is, each bit in the input number is flipped.

Notes
This word implements bitwise not, so applying it to booleans will throw an error. Boolean not is the not word.

Due to the two's complement representation of signed integers, the following two lines are equivalent:

bitnot neg 1 -

Definition

IN: math

GENERIC: bitnot ( x -- y ) foldable flushable

Methods

USING: math math.private ;

M: bignum bitnot bignum-bitnot ; inline

USING: math math.private ;

M: fixnum bitnot fixnum-bitnot ; inline