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<title>GNU Scientific Library &ndash; Reference Manual: Error Handling</title>

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<a name="Error-Handling"></a>
<div class="header">
<p>
Next: <a href="Mathematical-Functions.html#Mathematical-Functions" accesskey="n" rel="next">Mathematical Functions</a>, Previous: <a href="Using-the-library.html#Using-the-library" accesskey="p" rel="previous">Using the library</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> &nbsp; [<a href="Function-Index.html#Function-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Error-Handling-1"></a>
<h2 class="chapter">3 Error Handling</h2>
<a name="index-Errors"></a>
<a name="index-error-handling"></a>
<p>This chapter describes the way that GSL functions report and handle
errors.  By examining the status information returned by every function
you can determine whether it succeeded or failed, and if it failed you
can find out what the precise cause of failure was.  You can also define
your own error handling functions to modify the default behavior of the
library.
</p>
<p>The functions described in this section are declared in the header file
<samp>gsl_errno.h</samp>.
</p>
<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top">&bull; <a href="Error-Reporting.html#Error-Reporting" accesskey="1">Error Reporting</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Error-Codes.html#Error-Codes" accesskey="2">Error Codes</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Error-Handlers.html#Error-Handlers" accesskey="3">Error Handlers</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Using-GSL-error-reporting-in-your-own-functions.html#Using-GSL-error-reporting-in-your-own-functions" accesskey="4">Using GSL error reporting in your own functions</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Error-Reporting-Examples.html#Error-Reporting-Examples" accesskey="5">Error Reporting Examples</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
</td></tr>
</table>




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