CLARSCL2 (3) - Linux Man Pages
subroutine clarscl2 (integerM, integerN, real, dimension( * )D, complex, dimension( ldx, * )X, integerLDX)
CLARSCL2 performs reciprocal diagonal scaling on a vector.
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 is INTEGER The number of rows of D and X. M >= 0.
N is INTEGER The number of columns of D and X. N >= 0.
D is REAL array, length M Diagonal matrix D, stored as a vector of length M.
X is COMPLEX array, dimension (LDX,N) On entry, the vector X to be scaled by D. On exit, the scaled vector.
LDX is INTEGER The leading dimension of the vector X. LDX >= 0.
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
- September 2012
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