Vocabulary
math.blas.vectors

Inputs and outputs

x	a blas-vector-base
max-i	an integer

Word description
Return the index of the element in x with the largest norm-1. If more than one element has the same norm-1, returns the smallest index. Corresponds to the IxAMAX routines in BLAS.

See also
Vamax

Definition

IN: math.blas.vectors

GENERIC: Viamax ( x -- max-i )

Methods

USING: math math.blas.ffi math.blas.vectors
math.blas.vectors.private ;

M: complex-double-blas-vector Viamax (prepare-nrm2) IZAMAX 1 - ;

USING: math math.blas.ffi math.blas.vectors
math.blas.vectors.private ;

M: complex-float-blas-vector Viamax (prepare-nrm2) ICAMAX 1 - ;

USING: math math.blas.ffi math.blas.vectors
math.blas.vectors.private ;

M: double-blas-vector Viamax (prepare-nrm2) IDAMAX 1 - ;

USING: math math.blas.ffi math.blas.vectors
math.blas.vectors.private ;

M: float-blas-vector Viamax (prepare-nrm2) ISAMAX 1 - ;