subroutine slascl2 (M, N, D, X, LDX)
SLASCL2 performs diagonal scaling on a vector.
SLASCL2 performs diagonal scaling on a vector.
Purpose:
SLASCL2 performs a diagonal scaling on a vector: 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 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 vector X to be scaled by D.
On exit, the scaled vector.
LDX
LDX is INTEGER
The leading dimension of the vector X. LDX >= M.
Author:
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
Definition at line 92 of file slascl2.f.
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