SRC/slascl2.f(3)

NAME
SRC/slascl2.f

SYNOPSIS

  Functions/Subroutines
subroutine slascl2 (m, n, d, x, ldx)
SLASCL2 performs diagonal scaling on a matrix.

Function/Subroutine Documentation

  subroutine slascl2 (integer m, integer n, real, dimension( * ) d, real, dimension( ldx, * ) x, integer ldx)

SLASCL2 performs diagonal scaling on a matrix.

Purpose:

    !>
    !> SLASCL2 performs a diagonal scaling on a matrix:
    !>   x <-- D * x
    !> where the diagonal matrix D is stored as a vector.
    !>
    !> Eventually to be replaced by BLAS_sge_diag_scale in the new BLAS
    !> standard.
    !>

Parameters
    M

    !>          M is INTEGER
    !>     The number of rows of D and X. M >= 0.
    !>

    N

    !>          N is INTEGER
    !>     The number of columns of X. N >= 0.
    !>

    D

    !>          D is REAL array, length M
    !>     Diagonal matrix D, stored as a vector of length M.
    !>

    X

    !>          X is REAL array, dimension (LDX,N)
    !>     On entry, the matrix X to be scaled by D.
    !>     On exit, the scaled matrix.
    !>

    LDX

    !>          LDX is INTEGER
    !>     The leading dimension of the matrix X. LDX >= M.
    !>

Author
    Univ. of Tennessee

    Univ. of California Berkeley

    Univ. of Colorado Denver

    NAG Ltd.

Definition at line 89 of file slascl2.f.

Author

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