CLASCL2 (3) Linux Manual Page

clascl2.f –

Synopsis

Functions/Subroutines

subroutine clascl2 (M, N, D, X, LDX)
CLASCL2 performs diagonal scaling on a vector.

Function/Subroutine Documentation

subroutine clascl2 (integerM, integerN, real, dimension( * )D, complex, dimension( ldx, * )X, integerLDX)

CLASCL2 performs diagonal scaling on a vector.

Purpose:

 CLASCL2 performs a diagonal scaling on a vector:

 x <– D * x

 where the diagonal REAL matrix D is stored as a vector.

 Eventually to be replaced by BLAS_cge_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 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.

 

Author:

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date:

September 2012

Definition at line 92 of file clascl2.f.

Author

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