zla_hercond_x3lapack
Zla_hercond_x compute the infinity norm condition number of op(a) * diag(x) where x is a complex*16 vector
Usage
- DOUBLE PRECISION
-
FUNCTION ZLA_HERCOND_X( UPLO, N, A, LDA, AF, LDAF, IPIV, X, INFO, WORK, RWORK )
- IMPLICIT
-
NONE
- CHARACTER
-
UPLO
- INTEGER
-
N, LDA, LDAF, INFO
- INTEGER
-
IPIV( * )
- COMPLEX*16
-
A( LDA, * ), AF( LDAF, * ), WORK( * ), X( * )
- DOUBLE
-
PRECISION RWORK( * )
Purpose
ZLA_HERCOND_X computes the infinity norm condition number of
op(A) * diag(X) where X is a COMPLEX*16 vector.
Arguments
- C COMPLEX*16 vector.
- WORK COMPLEX*16 workspace of size 2*N.
-
RWORK DOUBLE PRECISION workspace of size 3*N.