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.