LAPACK 3.12.1
LAPACK: Linear Algebra PACKage
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subroutine clarscl2 | ( | integer | m, |
integer | n, | ||
real, dimension( * ) | d, | ||
complex, dimension( ldx, * ) | x, | ||
integer | ldx ) |
CLARSCL2 performs reciprocal diagonal scaling on a matrix.
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!> !> CLARSCL2 performs a reciprocal diagonal scaling on a matrix: !> x <-- inv(D) * x !> where the REAL diagonal matrix D is stored as a vector. !> !> Eventually to be replaced by BLAS_cge_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 REAL array, length M !> Diagonal matrix D, stored as a vector of length M. !> |
[in,out] | X | !> X is COMPLEX 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 88 of file clarscl2.f.