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
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/SNES/SNESNormType.html" />
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>SNESNormType</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="SNESNormType"><H1>SNESNormType</H1></A>
Norm that is passed in the Krylov convergence test routines.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
typedef enum {SNES_NORM_DEFAULT = -1,
SNES_NORM_NONE = 0,
SNES_NORM_FUNCTION = 1,
SNES_NORM_INITIAL_ONLY = 2,
SNES_NORM_FINAL_ONLY = 3,
SNES_NORM_INITIAL_FINAL_ONLY = 4} SNESNormType;
</PRE>
<P>
Support for these is highly dependent on the solver.
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
This is primarily used to turn off extra norm and function computation
when the solvers are composed.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../SNES/SNESSolve.html#SNESSolve">SNESSolve</A>(), <A HREF="../SNES/SNESGetConvergedReason.html#SNESGetConvergedReason">SNESGetConvergedReason</A>(), <A HREF="../KSP/KSPSetNormType.html#KSPSetNormType">KSPSetNormType</A>(),
<BR><A HREF="../KSP/KSPSetConvergenceTest.html#KSPSetConvergenceTest">KSPSetConvergenceTest</A>(), <A HREF="../KSP/KSPSetPCSide.html#KSPSetPCSide">KSPSetPCSide</A>()
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/snes/../../include/petscsnes.h.html#SNESNormType">src/snes/../../include/petscsnes.h</A>
<BR><A HREF="./index.html">Index of all SNES 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>
|
