LAPACK 3.12.1
LAPACK: Linear Algebra PACKage
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subroutine dlascl2 | ( | integer | m, |
integer | n, | ||
double precision, dimension( * ) | d, | ||
double precision, dimension( ldx, * ) | x, | ||
integer | ldx ) |
DLASCL2 performs diagonal scaling on a matrix.
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!> !> DLASCL2 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_dge_diag_scale in the new BLAS !> standard. !>
[in] | M | !> M is INTEGER !> The number of rows of D and X. M >= 0. !> |
[in] | N | !> N is INTEGER !> The number of columns of X. N >= 0. !> |
[in] | D | !> D is DOUBLE PRECISION array, length M !> Diagonal matrix D, stored as a vector of length M. !> |
[in,out] | X | !> X is DOUBLE PRECISION array, dimension (LDX,N) !> On entry, the matrix X to be scaled by D. !> On exit, the scaled matrix. !> |
[in] | LDX | !> LDX is INTEGER !> The leading dimension of the matrix X. LDX >= M. !> |
Definition at line 87 of file dlascl2.f.