Estimates the reciprocal of the condition number of a real symmetric/complex symmetric/complex Hermitian indefinite matrix in packed storage, using the factorization computed by CSPTRF. (Computational routine.). Classes : D2c1 . Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (general complex non-Hermitian matrices) Type : Fortran subroutine in LAPACK package. Access : Public domain. Portable. Precision: Single. Usage : CALL CSPCON( UPLO, N, AP, IPIV, ANORM, RCOND, WORK, INFO ) See also : CSPTRF Details : Fullsource NeededBLAS Source Sites : (1) ARNO (2) ITL (3) NETLIB
ARNO: Silicon Graphics Origin 2000, National Institute of Standards and Technology (NIST), Gaithersburg, MD. Available to NIST staff. Precision: Single. (Double: ZSPCON) Those logged in to arno.nist.gov or amur.nist.gov may access this module as follows. Access : f90 prog.f -lscs (or -lscs_mp for multiprocessor version) Documentation: man cspcon
ITL: Unix Workstation Network, National Institute of Standards and Technology (NIST), Gaithersburg, MD. Available to NIST staff. Precision: Single. (Double: ZSPCON) Access available only to NIST staff on internal Unix systems. They may access this package provided the /itl tree is cross-mounted. Access : f77 -o myprog myprog.f -llapack -lblas NeededBLAS : Can be downloaded from netlib
NETLIB: Public access repository, The University of Tennessee at Knoxville and Bell Laboratories Precision: Single. (Double: ZSPCON) You may access components from NETLIB outside GAMS as follows. Source : See LAPACK Web Page Fullsource : See LAPACK Web Page
GAMS is a service of the Mathematical and Computational Sciences Division of the Information Technology Laboratory of the National Institute of Standards and Technology
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