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<TITLE>PetscFunctionBegin</TITLE>
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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</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-3.7.5 v3.7.5 docs/manualpages/Sys/PetscFunctionBegin.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscFunctionBegin"><H1>PetscFunctionBegin</H1></A>
First executable line of each PETSc function, used for error handling. Final line of PETSc functions should be <A HREF="../Sys/PetscFunctionReturn.html#PetscFunctionReturn">PetscFunctionReturn</A>(0);
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include <petscsys.h>
void <A HREF="../Sys/PetscFunctionBegin.html#PetscFunctionBegin">PetscFunctionBegin</A>;
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Usage</FONT></H3>
<PRE>
int something;
<A HREF="../Sys/PetscFunctionBegin.html#PetscFunctionBegin">PetscFunctionBegin</A>;
</PRE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
Use <A HREF="../Sys/PetscFunctionBeginUser.html#PetscFunctionBeginUser">PetscFunctionBeginUser</A> for application codes.
<P>
Not available in Fortran
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscFunctionReturn.html#PetscFunctionReturn">PetscFunctionReturn</A>(), <A HREF="../Sys/PetscFunctionBeginHot.html#PetscFunctionBeginHot">PetscFunctionBeginHot</A>(), <A HREF="../Sys/PetscFunctionBeginUser.html#PetscFunctionBeginUser">PetscFunctionBeginUser</A>()
<BR>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
traceback, error handling
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/error/../../../include/petscerror.h.html#PetscFunctionBegin">src/sys/error/../../../include/petscerror.h</A>
<BR><A HREF="./index.html">Index of all Sys 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>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/vec/vec/examples/tutorials/ex19.c.html">src/vec/vec/examples/tutorials/ex19.c.html</A><BR>
<A HREF="../../../src/mat/examples/tutorials/ex4.c.html">src/mat/examples/tutorials/ex4.c.html</A><BR>
<A HREF="../../../src/mat/examples/tutorials/ex5.c.html">src/mat/examples/tutorials/ex5.c.html</A><BR>
<A HREF="../../../src/mat/examples/tutorials/ex8.c.html">src/mat/examples/tutorials/ex8.c.html</A><BR>
<A HREF="../../../src/mat/examples/tutorials/ex12.c.html">src/mat/examples/tutorials/ex12.c.html</A><BR>
<A HREF="../../../src/ksp/pc/examples/tutorials/ex2.c.html">src/ksp/pc/examples/tutorials/ex2.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex49.c.html">src/ksp/ksp/examples/tutorials/ex49.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex62.c.html">src/ksp/ksp/examples/tutorials/ex62.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex12.c.html">src/snes/examples/tutorials/ex12.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex77.c.html">src/snes/examples/tutorials/ex77.c.html</A><BR>
<A HREF="../../../src/ts/examples/tutorials/ex11.c.html">src/ts/examples/tutorials/ex11.c.html</A><BR>
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