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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/Sys/PetscAbs.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscAbs"><H1>PetscAbs</H1></A>
Returns the absolute value of a number 
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include &lt;petscmath.h&gt;
type <A HREF="../Sys/PetscAbs.html#PetscAbs">PetscAbs</A>(type v)
</PRE>
Not Collective
<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>v </B></TD><TD>- the number
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
type can be integer or real floating point value
<P>

<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
 <A HREF="../Sys/PetscAbsInt.html#PetscAbsInt">PetscAbsInt</A>(), <A HREF="../Sys/PetscAbsReal.html#PetscAbsReal">PetscAbsReal</A>(), PetscAbsScalar()
<BR>
<P>
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>beginner<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../include/petscmath.h.html#PetscAbs">include/petscmath.h</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/ksp/ksp/tutorials/ex42.c.html">src/ksp/ksp/tutorials/ex42.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/tutorials/ex43.c.html">src/ksp/ksp/tutorials/ex43.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/tutorials/ex49.c.html">src/ksp/ksp/tutorials/ex49.c.html</A><BR>
<A HREF="../../../src/snes/tutorials/ex56.c.html">src/snes/tutorials/ex56.c.html</A><BR>
<A HREF="../../../src/snes/tutorials/ex77.c.html">src/snes/tutorials/ex77.c.html</A><BR>
<A HREF="../../../src/ts/tutorials/ex9.c.html">src/ts/tutorials/ex9.c.html</A><BR>
<BR><A HREF="./index.html">Index of all Sys routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
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