GAMS: Module CSPTRI in LAPACK

General Information

Computes the inverse of a real symmetric/complex symmetric/complex Hermitian indefinite matrix in packed storage, using the factorization computed by CSPTRF. (Computational routine.).

Usage

CALL CSPTRI( UPLO, N, AP, IPIV, WORK, INFO )

Classification

D2c1	Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (general complex non-Hermitian matrices)

Type

subroutine in LAPACK package (COMPLEX sublibrary)

Language

Fortran

Availability

Public domain, Portable

Precision

Single Precision

Alternates

ZSPTRI: Double Precision

See also

CSPTRF

Download from NETLIB; Public access repository

Location: The University of Tennessee at Knoxville and Bell Laboratories
Contact: Jack Dongarra, ORNL (dongarra@cs.utk.edu) and Eric Grosse, Bell Labs (ehg@research.att.com)

Installation on ARNO; Silicon Graphics Origin 2000

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968, consult@nist.gov

Usage

Those logged in to arno.nist.gov or amur.nist.gov may access this module as follows.

Documentation: man csptri
To Link: f90 prog.f -lscs (or -lscs_mp for multiprocessor version)

Installation on ITL; Unix Workstation Network

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968 (FTS 879-2968)

Usage

Access available only to NIST staff on internal Unix systems. They may access this package provided the /itl tree is cross-mounted.

NeededBLAS: Can be downloaded from netlib
To Link: f77 -o myprog myprog.f -llapack -lblas