table of contents
slascl2.f(3) | LAPACK | slascl2.f(3) |
NAME¶
slascl2.f
SYNOPSIS¶
Functions/Subroutines¶
subroutine slascl2 (M, N, D, X, LDX)
SLASCL2 performs diagonal scaling on a vector.
Function/Subroutine Documentation¶
subroutine slascl2 (integer M, integer N, real, dimension( * ) D, real, dimension( ldx, * ) X, integer LDX)¶
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
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 Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
June 2016
Definition at line 92 of file slascl2.f.
Author¶
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