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clarscl2.f(3) | LAPACK | clarscl2.f(3) |
NAME¶
clarscl2.f -SYNOPSIS¶
Functions/Subroutines¶
subroutine clarscl2 (M, N, D, X, LDX)
Function/Subroutine Documentation¶
subroutine clarscl2 (integerM, integerN, real, dimension( * )D, complex, dimension( ldx, * )X, integerLDX)¶
CLARSCL2 performs reciprocal diagonal scaling on a vector. Purpose:CLARSCL2 performs a reciprocal diagonal scaling on an vector: 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.
M
Author:
M is INTEGER The number of rows of D and X. M >= 0.N
N is INTEGER The number of columns of D and X. N >= 0.D
D is REAL array, length M Diagonal matrix D, stored as a vector of length M.X
X is COMPLEX 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 >= 0.
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
September 2012
Definition at line 92 of file clarscl2.f.
Author¶
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