vnone? ( v -- ? )
Factor handbook » The language » Numbers » Vector operations » Vector component- and bit-wise logic

Prev:	vany? ( v -- ? )
Next:	vshuffle ( v perm -- w )

Vocabulary
math.vectors

Inputs

v	a sequence of booleans

Outputs

?

a boolean

Word description
Returns true if every element of v is false.

Notes
See Componentwise logic with SIMD vectors for notes on dealing with vector boolean inputs when using SIMD types.

See also
v<, v<=, v=, v>, v>=, vunordered?, vand, vor, vxor, vnot, vany?, vall?, v?

Definition

IN: math.vectors

GENERIC: vnone? ( v -- ? )

Methods

USING: kernel math.vectors sequences.cords ;

M: cord vnone? [ vnone? ] cord-both and ; inline


USING: kernel math.vectors sequences ;

M: object vnone? [ not ] all? ; inline


USING: generic kernel math.vectors math.vectors.simd
math.vectors.simd.intrinsics math.vectors.simd.private ;

M: simd-128 vnone?
    dup simd-rep
    [ (simd-vnone?) ] [ M\ simd-128 vnone? (call-next-method) ]
    v->x-op ; inline