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   <div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
   <div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.14.5 v3.14.5 docs/manualpages/PC/PCJacobiGetUseAbs.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PCJacobiGetUseAbs"><H1>PCJacobiGetUseAbs</H1></A>
Determines if the Jacobi preconditioner uses the absolute values of the digonal divisors in the preconditioner 
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscpc.h" 
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A>  <A HREF="../PC/PCJacobiGetUseAbs.html#PCJacobiGetUseAbs">PCJacobiGetUseAbs</A>(<A HREF="../PC/PC.html#PC">PC</A> pc,<A HREF="../Sys/PetscBool.html#PetscBool">PetscBool</A> *flg)
</PRE>
Logically Collective on <A HREF="../PC/PC.html#PC">PC</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</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></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>flg </B></TD><TD>- whether to use absolute values or not
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Options Database Key</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>-pc_jacobi_abs</B></TD></TABLE>
<P>

<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
 PCJacobiaSetType(), <A HREF="../PC/PCJacobiSetUseAbs.html#PCJacobiSetUseAbs">PCJacobiSetUseAbs</A>(), <A HREF="../PC/PCJacobiGetType.html#PCJacobiGetType">PCJacobiGetType</A>()
<BR>
<P>
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/ksp/pc/impls/jacobi/jacobi.c.html#PCJacobiGetUseAbs">src/ksp/pc/impls/jacobi/jacobi.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/ksp/pc/impls/jacobi/jacobi.c.html#PCJacobiGetUseAbs_Jacobi">PCJacobiGetUseAbs_Jacobi in src/ksp/pc/impls/jacobi/jacobi.c</A><BR>
<BR><A HREF="./index.html">Index of all PC 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>
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