CLA_HERCOND_C (3)  Linux Manuals
NAME
cla_hercond_c.f 
SYNOPSIS
Functions/Subroutines
REAL function cla_hercond_c (UPLO, N, A, LDA, AF, LDAF, IPIV, C, CAPPLY, INFO, WORK, RWORK)
CLA_HERCOND_C computes the infinity norm condition number of op(A)*inv(diag(c)) for Hermitian indefinite matrices.
Function/Subroutine Documentation
REAL function cla_hercond_c (characterUPLO, integerN, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldaf, * )AF, integerLDAF, integer, dimension( * )IPIV, real, dimension ( * )C, logicalCAPPLY, integerINFO, complex, dimension( * )WORK, real, dimension( * )RWORK)
CLA_HERCOND_C computes the infinity norm condition number of op(A)*inv(diag(c)) for Hermitian indefinite matrices.
Purpose:

CLA_HERCOND_C computes the infinity norm condition number of op(A) * inv(diag(C)) where C is a REAL vector.
Parameters:

UPLO
UPLO is CHARACTER*1 = 'U': Upper triangle of A is stored; = 'L': Lower triangle of A is stored.
NN is INTEGER The number of linear equations, i.e., the order of the matrix A. N >= 0.
AA is COMPLEX array, dimension (LDA,N) On entry, the NbyN matrix A
LDALDA is INTEGER The leading dimension of the array A. LDA >= max(1,N).
AFAF is COMPLEX array, dimension (LDAF,N) The block diagonal matrix D and the multipliers used to obtain the factor U or L as computed by CHETRF.
LDAFLDAF is INTEGER The leading dimension of the array AF. LDAF >= max(1,N).
IPIVIPIV is INTEGER array, dimension (N) Details of the interchanges and the block structure of D as determined by CHETRF.
CC is REAL array, dimension (N) The vector C in the formula op(A) * inv(diag(C)).
CAPPLYCAPPLY is LOGICAL If .TRUE. then access the vector C in the formula above.
INFOINFO is INTEGER = 0: Successful exit. i > 0: The ith argument is invalid.
WORKWORK is COMPLEX array, dimension (2*N). Workspace.
RWORKRWORK is REAL array, dimension (N). Workspace.
Author:

Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
 September 2012
Definition at line 138 of file cla_hercond_c.f.
Author
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