SRC/cla_porcond_c.f(3)     Library Functions Manual     SRC/cla_porcond_c.f(3)

NAME
       SRC/cla_porcond_c.f

SYNOPSIS
   Functions/Subroutines
       real function cla_porcond_c (uplo, n, a, lda, af, ldaf, c, capply,
           info, work, rwork)
           CLA_PORCOND_C computes the infinity norm condition number of
           op(A)*inv(diag(c)) for Hermitian positive-definite matrices.

Function/Subroutine Documentation
   real function cla_porcond_c (character uplo, integer n, complex, dimension(
       lda, * ) a, integer lda, complex, dimension( ldaf, * ) af, integer
       ldaf, real, dimension( * ) c, logical capply, integer info, complex,
       dimension( * ) work, real, dimension( * ) rwork)
       CLA_PORCOND_C computes the infinity norm condition number of
       op(A)*inv(diag(c)) for Hermitian positive-definite matrices.

       Purpose:


           !>
           !>    CLA_PORCOND_C Computes the infinity norm condition number of
           !>    op(A) * inv(diag(C)) where C is a REAL vector
           !>

       Parameters
           UPLO

           !>          UPLO is CHARACTER*1
           !>       = 'U':  Upper triangle of A is stored;
           !>       = 'L':  Lower triangle of A is stored.
           !>

           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 triangular factor U or L from the Cholesky factorization
           !>     A = U**H*U or A = L*L**H, as computed by CPOTRF.
           !>

           LDAF

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

           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.

       Definition at line 128 of file cla_porcond_c.f.

Author
       Generated automatically by Doxygen for LAPACK from the source code.

LAPACK                          Version 3.12.0          SRC/cla_porcond_c.f(3)