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Module POISTG in CMLIB

General Information

Solves block tridiagonal linear systems of algebraic equations arising from the discretization of separable elliptic partial differential equations.

Usage
CALL POISTG(NPEROD, N, MPEROD, M, A, B, C, IDIMY, Y, IERROR, W)
Classification
D2a4Solution of systems of linear equations, including matrix inverses, and LU and related factorizations (real nonsymmetric sparse matrices)
I2b4bSolution of discretized elliptic equations
Type
subroutine in CMLIB package (FISHPAK sublibrary)
Language
Fortran
Availability
Public domain, Portable
Precision
Single Precision

Download from 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
cmdoc poistg
Fullsource
cmsrcx poistg
Source
cmsrc poistg
To Link
See cmlib man page.

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.
Documentation
cmdoc poistg
Fullsource
cmsrcx poistg
Source
cmsrc POISTG
To Link
f77 -o main main.f -lcm
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