zla_gbrcond_x (l) - Linux Man Pages

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

NAME

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

SYNOPSIS

DOUBLE PRECISION
FUNCTION ZLA_GBRCOND_X( TRANS, N, KL, KU, AB, LDAB, AFB, LDAFB, IPIV, X, INFO, WORK, RWORK )

    
IMPLICIT NONE

    
CHARACTER TRANS

    
INTEGER N, KL, KU, KD, LDAB, LDAFB, INFO

    
INTEGER IPIV( * )

    
COMPLEX*16 AB( LDAB, * ), AFB( LDAFB, * ), WORK( * ), X( * )

    
DOUBLE PRECISION RWORK( * )

PURPOSE


ZLA_GBRCOND_X Computes the infinity norm condition number of
op(A) diag(X) where X is a COMPLEX*16 vector.

ARGUMENTS

X COMPLEX*16 vector.
WORK COMPLEX*16 workspace of size 2*N.
RWORK DOUBLE PRECISION workspace of size 3*N.