NAME

       cla_gercond_c.f -

SYNOPSIS

   Functions/Subroutines
       real function cla_gercond_c (TRANS, N, A, LDA, AF, LDAF, IPIV, C, CAPPLY, INFO, WORK,
           RWORK)
           CLA_GERCOND_C computes the infinity norm condition number of op(A)*inv(diag(c)) for
           general matrices.

Function/Subroutine Documentation

   real function cla_gercond_c (characterTRANS, integerN, complex, dimension( lda, * )A,
       integerLDA, complex, dimension( ldaf, * )AF, integerLDAF, integer, dimension( * )IPIV,
       real, dimension( * )C, logicalCAPPLY, integerINFO, complex, dimension( * )WORK, real,
       dimension( * )RWORK)
       CLA_GERCOND_C computes the infinity norm condition number of op(A)*inv(diag(c)) for
       general matrices.

       Purpose:

               CLA_GERCOND_C computes the infinity norm condition number of
               op(A) * inv(diag(C)) where C is a REAL vector.

       Parameters:
           TRANS

                     TRANS is CHARACTER*1
                Specifies the form of the system of equations:
                  = 'N':  A * X = B     (No transpose)
                  = 'T':  A**T * X = B  (Transpose)
                  = 'C':  A**H * X = B  (Conjugate Transpose = Transpose)

           N

                     N is INTEGER
                The number of linear equations, i.e., the order of the
                matrix A.  N >= 0.

           A

                     A is COMPLEX array, dimension (LDA,N)
                On entry, the N-by-N matrix A

           LDA

                     LDA is INTEGER
                The leading dimension of the array A.  LDA >= max(1,N).

           AF

                     AF is COMPLEX array, dimension (LDAF,N)
                The factors L and U from the factorization
                A = P*L*U as computed by CGETRF.

           LDAF

                     LDAF is INTEGER
                The leading dimension of the array AF.  LDAF >= max(1,N).

           IPIV

                     IPIV is INTEGER array, dimension (N)
                The pivot indices from the factorization A = P*L*U
                as computed by CGETRF; row i of the matrix was interchanged
                with row IPIV(i).

           C

                     C is REAL array, dimension (N)
                The vector C in the formula op(A) * inv(diag(C)).

           CAPPLY

                     CAPPLY is LOGICAL
                If .TRUE. then access the vector C in the formula above.

           INFO

                     INFO is INTEGER
                  = 0:  Successful exit.
                i > 0:  The ith argument is invalid.

           WORK

                     WORK is COMPLEX array, dimension (2*N).
                Workspace.

           RWORK

                     RWORK is REAL array, dimension (N).
                Workspace.

       Author:
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Date:
           September 2012

       Definition at line 142 of file cla_gercond_c.f.

Author

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