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<TITLE>MatSNESMFSetCheckh</TITLE>
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<A NAME="MatSNESMFSetCheckh"><H1>MatSNESMFSetCheckh</H1></A>
Sets a function that checks the computed h and adjusts it to satisfy some criteria
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsnes.h"
PetscErrorCode PETSCSNES_DLLEXPORT MatSNESMFSetCheckh(Mat J,PetscErrorCode (*fun)(Vec,Vec,PetscScalar*,void*),void* ctx)
</PRE>
Collective on <A HREF="../Mat/Mat.html#Mat">Mat</A>
<P>
<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>J </B></TD><TD>- the MatSNESMF matrix
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>fun </B></TD><TD>- the function that checks h
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- any context needed by the function
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<DT><B>-snes_mf_check_positivity</B> -
<br>
<P>
Notes: For example, MatSNESMFSetCheckPositivity() insures that all entries
of U + h*a are non-negative
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
MatSNESMFSetCheckPositivity()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/snes/mf/snesmfj.c.html#MatSNESMFSetCheckh">src/snes/mf/snesmfj.c</A>
<BR><A HREF="./index.html">Index of all SNESMF routines</A>
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