DLARSCL2 performs reciprocal diagonal scaling on a vector.
DLARSCL2 performs a reciprocal diagonal scaling on an vector: x <-- inv(D) * x where the diagonal matrix D is stored as a vector. Eventually to be replaced by BLAS_dge_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 X. N >= 0.
D is DOUBLE PRECISION array, dimension (M) Diagonal matrix D, stored as a vector of length M.
X is DOUBLE PRECISION 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 >= M.
Univ. of California Berkeley
Univ. of Colorado Denver
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