norm-sq ( v -- x ) - Factor Documentation

Vocabulary
math.vectors

Inputs and outputs

v	a sequence of numbers
x	a non-negative real number

Word description
Computes the squared length of a mathematical vector.

Definition

IN: math.vectors

GENERIC: norm-sq ( v -- x )

Methods

USING: math math.vectors sequences.cords ;

M: cord norm-sq [ norm-sq ] cord-both + ; inline

USING: kernel math math.functions math.vectors sequences ;

M: object norm-sq [ absq ] [ + ] map-reduce ; inline

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

M: simd-128 norm-sq dup v. assert-positive ; inline

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