blas-matrix-rowcol-sequence

Vocabulary

math.blas.matrices

Definition

IN: math.blas.matrices

TUPLE: blas-matrix-rowcol-sequence
    parent inc rowcol-length rowcol-jump length ;

Methods

USING: accessors math.blas.matrices sequences ;

M: blas-matrix-rowcol-sequence length length>> ;


USING: accessors alien alien.c-types combinators kernel math
math.blas.matrices math.blas.vectors math.blas.vectors.private
sequences.private ;

M: blas-matrix-rowcol-sequence nth-unsafe
    {
        [
            [ rowcol-jump>> ]
            [ parent>> element-type heap-size ]
            [ parent>> underlying>> ] tri [ * * ] dip
            <displaced-alien>
        ]
        [ rowcol-length>> ]
        [ inc>> ]
        [ parent>> ]
    } cleave (blas-vector-like) ;