vdot ( u v -- x )
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Vocabulary
math.vectors

Inputs

u	a sequence of reals
v	a sequence of reals

Outputs

x

a real

Word description
Computes the dot product of two vectors.

See also
2reduce

Definition

IN: math.vectors

GENERIC: vdot ( u v -- x )

Methods

USING: generic math math.vectors sequences.cords ;

M: cord vdot
    [ vdot ] [ + ] [ M\ cord vdot (call-next-method) ]
    cord-2both ; inline


USING: kernel math math.vectors sequences ;

M: object vdot [ * ] [ + ] 2map-reduce ; inline


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

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