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<TITLE>PCPARMSSetSolveTolerances</TITLE>
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<A NAME="PCPARMSSetSolveTolerances"><H1>PCPARMSSetSolveTolerances</H1></A>
Sets the convergence tolerance and the maximum iterations for the inner GMRES solver, when the Schur global preconditioner is used.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscpc.h"
PetscErrorCode PCPARMSSetSolveTolerances(PC pc,PetscReal tol,PetscInt maxits)
</PRE>
Collective on <A HREF="../PC/PC.html#PC">PC</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>pc </B></TD><TD>- the preconditioner context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>tol </B></TD><TD>- the convergence tolerance
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>maxits </B></TD><TD>- the maximum number of iterations to use
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-pc_parms_solve_tol </B></TD><TD>- set the tolerance for local solve
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-pc_parms_max_it </B></TD><TD>- set the maximum number of inner iterations
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
See the pARMS functions parms_PCSetInnerEps and parms_PCSetInnerMaxits for more information.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PC/PCPARMS.html#PCPARMS">PCPARMS</A>, <A HREF="../PC/PCPARMSSetSolveRestart.html#PCPARMSSetSolveRestart">PCPARMSSetSolveRestart</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/pc/impls/parms/parms.c.html#PCPARMSSetSolveTolerances">src/ksp/pc/impls/parms/parms.c</A>
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