zla_porcond_x (l) - Linux Man Pages

zla_porcond_x: ZLA_PORCOND_X Compute the infinity norm condition number of op(A) * diag(X) where X is a COMPLEX*16 vector

NAME

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

SYNOPSIS

DOUBLE PRECISION
FUNCTION ZLA_PORCOND_X( UPLO, N, A, LDA, AF, LDAF, X, INFO, WORK, RWORK )

    
IMPLICIT NONE

    
CHARACTER UPLO

    
INTEGER N, LDA, LDAF, INFO

    
COMPLEX*16 A( LDA, * ), AF( LDAF, * ), WORK( * ), X( * )

    
DOUBLE PRECISION RWORK( * )

PURPOSE


ZLA_PORCOND_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.