zla_hercond_x (l) - Linux Manuals

zla_hercond_x: ZLA_HERCOND_X compute the infinity norm condition number of op(A) * diag(X) where X is a COMPLEX*16 vector

NAME

ZLA_HERCOND_X - ZLA_HERCOND_X compute the infinity norm condition number of op(A) * diag(X) where X is a COMPLEX*16 vector

SYNOPSIS

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.