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<TITLE>PetscInfo</TITLE>
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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</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-3.10.3 v3.10.3 docs/manualpages/Profiling/PetscInfo.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscInfo"><H1>PetscInfo</H1></A>
Logs informative data, which is printed to standard output or a file when the option -info <file> is specified.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include <petscsys.h>
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Profiling/PetscInfo.html#PetscInfo">PetscInfo</A>(void *vobj, const char message[])
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscInfo1(void *vobj, const char formatmessage[],arg1)
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> PetscInfo2(void *vobj, const char formatmessage[],arg1,arg2)
etc
</PRE>
Collective over <A HREF="../Sys/PetscObject.html#PetscObject">PetscObject</A> argument
<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>vobj </B></TD><TD>- object most closely associated with the logging statement or NULL
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>message </B></TD><TD>- logging message
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>formatmessage </B></TD><TD>- logging message using standard "printf" format
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Options Database Key</FONT></H3>
<pre>
-info : activates printing of <A HREF="../Profiling/PetscInfo.html#PetscInfo">PetscInfo</A>() messages
</pre>
<P>
<P>
Fortran Note: This function does not take the vobj argument, there is only the <A HREF="../Profiling/PetscInfo.html#PetscInfo">PetscInfo</A>()
version, not PetscInfo1() etc.
<P>
<H3><FONT COLOR="#CC3333">Example of Usage</FONT></H3>
<pre>
</pre>
<pre>
<A HREF="../Mat/Mat.html#Mat">Mat</A> A
</pre>
<pre>
double alpha
</pre>
<pre>
PetscInfo1(A,"Matrix uses parameter alpha=%g\n",alpha);
</pre>
<pre>
</pre>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Profiling/PetscInfoAllow.html#PetscInfoAllow">PetscInfoAllow</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/sys/info/verboseinfo.c.html#PetscInfo">src/sys/info/verboseinfo.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/sys/examples/tutorials/ex3f.F.html">src/sys/examples/tutorials/ex3f.F.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex72.c.html">src/ksp/ksp/examples/tutorials/ex72.c.html</A><BR>
<A HREF="../../../src/ts/examples/tutorials/ex11.c.html">src/ts/examples/tutorials/ex11.c.html</A><BR>
<BR><A HREF="./index.html">Index of all Profiling routines</A>
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