cla_gbrcond_x3lapack
Cla_gbrcond_x compute the infinity norm condition number of op(a) * diag(x) where x is a complex vector
Usage
- REAL FUNCTION
-
CLA_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
-
AB( LDAB, * ), AFB( LDAFB, * ), WORK( * ), X( * )
- REAL
-
RWORK( * )
Purpose
CLA_GBRCOND_X Computes the infinity norm condition number of
op(A) * diag(X) where X is a COMPLEX vector.
Arguments
- X COMPLEX vector.
- WORK COMPLEX workspace of size 2*N.
- RWORK REAL workspace of size 3*N.