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<TITLE>CLN, a Class Library for Numbers - 12. Customizing</TITLE>
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-<H1><A NAME="SEC68" HREF="cln_toc.html#TOC68">12. Customizing</A></H1>
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-<H2><A NAME="SEC69" HREF="cln_toc.html#TOC69">12.1 Error handling</A></H2>
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When a fatal error occurs, an error message is output to the standard error
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This function must not return control to its caller.
-<H2><A NAME="SEC70" HREF="cln_toc.html#TOC70">12.2 Floating-point underflow</A></H2>
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-<H2><A NAME="SEC71" HREF="cln_toc.html#TOC71">12.3 Customizing I/O</A></H2>
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The output of the function <CODE>fprint</CODE> may be customized by changing the
value of the global variable <CODE>cl_default_print_flags</CODE>.
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-<H2><A NAME="SEC72" HREF="cln_toc.html#TOC72">12.4 Customizing the memory allocator</A></H2>
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Every memory allocation of CLN is done through the function pointer
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The <CODE>cl_malloc_hook</CODE> function must not return a <CODE>NULL</CODE> pointer.