1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD>
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>KSPFGMRESModifyPCKSP</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<A NAME="KSPFGMRESModifyPCKSP"><H1>KSPFGMRESModifyPCKSP</H1></A>
modifies the attributes of the GMRES preconditioner. It serves as an example (not as something useful!)
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscksp.h"
PetscErrorCode KSPFGMRESModifyPCKSP(KSP ksp,PetscInt total_its,PetscInt loc_its,PetscReal res_norm,void *dummy)
</PRE>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ksp </B></TD><TD>- the ksp context being used.
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>total_its </B></TD><TD>- the total number of FGMRES iterations that have occurred.
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>loc_its </B></TD><TD>- the number of FGMRES iterations since last restart.
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>res_norm </B></TD><TD>- the current residual norm.
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dummy </B></TD><TD>- context, not used here
</TD></TR></TABLE>
<P>
<P>
Contributed by Allison Baker
<P>
This could be used as a template!
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../KSP/KSPFGMRESSetModifyPC.html#KSPFGMRESSetModifyPC">KSPFGMRESSetModifyPC</A>(), <A HREF="../KSP/KSPFGMRESModifyPCKSP.html#KSPFGMRESModifyPCKSP">KSPFGMRESModifyPCKSP</A>()
<BR>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/ksp/impls/gmres/fgmres/modpcf.c.html#KSPFGMRESModifyPCKSP">src/ksp/ksp/impls/gmres/fgmres/modpcf.c</A>
<BR><A HREF="./index.html">Index of all KSP routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
</BODY></HTML>
|
