You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
98 lines
2.9 KiB
HTML
98 lines
2.9 KiB
HTML
17 years ago
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
|
||
|
|
||
|
<!--Converted with LaTeX2HTML 2002-2-1 (1.71)
|
||
|
original version by: Nikos Drakos, CBLU, University of Leeds
|
||
|
* revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan
|
||
|
* with significant contributions from:
|
||
|
Jens Lippmann, Marek Rouchal, Martin Wilck and others -->
|
||
|
<HTML>
|
||
|
<HEAD>
|
||
|
<TITLE>Preconditioner routines</TITLE>
|
||
|
<META NAME="description" CONTENT="Preconditioner routines">
|
||
|
<META NAME="keywords" CONTENT="userhtml">
|
||
|
<META NAME="resource-type" CONTENT="document">
|
||
|
<META NAME="distribution" CONTENT="global">
|
||
|
|
||
|
<META NAME="Generator" CONTENT="LaTeX2HTML v2002-2-1">
|
||
|
<META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css">
|
||
|
|
||
|
<LINK REL="STYLESHEET" HREF="userhtml.css">
|
||
|
|
||
|
<LINK REL="next" HREF="node103.html">
|
||
|
<LINK REL="previous" HREF="node92.html">
|
||
|
<LINK REL="up" HREF="userhtml.html">
|
||
|
<LINK REL="next" HREF="node99.html">
|
||
|
</HEAD>
|
||
|
|
||
|
<BODY >
|
||
|
<!--Navigation Panel-->
|
||
|
<A NAME="tex2html1405"
|
||
|
HREF="node99.html">
|
||
|
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next"
|
||
|
SRC="file:/usr/share/latex2html/icons/next.png"></A>
|
||
|
<A NAME="tex2html1401"
|
||
|
HREF="userhtml.html">
|
||
|
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up"
|
||
|
SRC="file:/usr/share/latex2html/icons/up.png"></A>
|
||
|
<A NAME="tex2html1395"
|
||
|
HREF="node97.html">
|
||
|
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous"
|
||
|
SRC="file:/usr/share/latex2html/icons/prev.png"></A>
|
||
|
<A NAME="tex2html1403"
|
||
|
HREF="node1.html">
|
||
|
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents"
|
||
|
SRC="file:/usr/share/latex2html/icons/contents.png"></A>
|
||
|
<BR>
|
||
|
<B> Next:</B> <A NAME="tex2html1406"
|
||
|
HREF="node99.html">psb_precinit Initialize</A>
|
||
|
<B> Up:</B> <A NAME="tex2html1402"
|
||
|
HREF="userhtml.html">userhtml</A>
|
||
|
<B> Previous:</B> <A NAME="tex2html1396"
|
||
|
HREF="node97.html">mm_mat_write Write</A>
|
||
|
<B> <A NAME="tex2html1404"
|
||
|
HREF="node1.html">Contents</A></B>
|
||
|
<BR>
|
||
|
<BR>
|
||
|
<!--End of Navigation Panel-->
|
||
|
|
||
|
<H1><A NAME="SECTION000110000000000000000"></A>
|
||
|
<A NAME="sec:precs"></A>
|
||
|
<BR>
|
||
|
Preconditioner routines
|
||
|
</H1>
|
||
|
|
||
|
<P>
|
||
|
<A NAME="sec:psprecs"></A>The base PSBLAS library contains the implementation of two simple
|
||
|
preconditioning techniques:
|
||
|
|
||
|
<UL>
|
||
|
<LI>Diagonal Scaling
|
||
|
</LI>
|
||
|
<LI>Block Jacobi with ILU(0) factorization
|
||
|
</LI>
|
||
|
</UL>
|
||
|
The supporting data type and subroutine interfaces are defined in the
|
||
|
module <code>psb_prec_mod</code>.
|
||
|
|
||
|
<P>
|
||
|
<BR><HR>
|
||
|
<!--Table of Child-Links-->
|
||
|
<A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A>
|
||
|
|
||
|
<UL>
|
||
|
<LI><A NAME="tex2html1407"
|
||
|
HREF="node99.html">psb_precinit -- Initialize a preconditioner</A>
|
||
|
<LI><A NAME="tex2html1408"
|
||
|
HREF="node100.html">psb_precbld -- Builds a preconditioner</A>
|
||
|
<LI><A NAME="tex2html1409"
|
||
|
HREF="node101.html">psb_precaply -- Preconditioner application routine</A>
|
||
|
<LI><A NAME="tex2html1410"
|
||
|
HREF="node102.html">psb_precdescr -- Prints a description of current
|
||
|
preconditioner</A>
|
||
|
</UL>
|
||
|
<!--End of Table of Child-Links-->
|
||
|
<BR><HR>
|
||
|
|
||
|
</BODY>
|
||
|
</HTML>
|