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<?xml version="1.0" encoding="UTF-8"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) XXXX-2008 - INRIA
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
-->
<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" version="5.0-subset Scilab" xml:lang="en" xml:id="lib">
<info>
<pubdate>$LastChangedDate$</pubdate>
</info>
<refnamediv>
<refname>lib</refname>
<refpurpose> library definition</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>xlib = lib('lib-dir')</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term>lib-dir</term>
<listitem>
<para>character string</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para><literal>lib-dir</literal> is a character string defining a directory that contains
compiled Scilab function (<literal>.bin</literal>) files.</para>
<para>
In addition to these files <literal>lib-dir</literal> must have a file called
<literal>names</literal>, that contains the names of the functions defined in
<literal>lib-dir</literal>. On success, all functions in <literal>lib-dir</literal> are
available from within Scilab. They are loaded on demand when called
for the first time.</para>
<para>
Binary files can be created from within Scilab with the command
<literal>save</literal>.</para>
<para>
Scilab's standard libraries are defined using <literal>lib</literal> on the
<literal>SCIDIR/modules/*/macros/*</literal> subdirectories.</para>
<para>
A library variable
usually is saved for later loading, either on-line or from the
user-specific startup file (see startup).</para>
</refsection>
<refsection>
<title>Restrictions</title>
<para>
Scilab tacitly assumes that each xxxx.bin file defines a variable named <literal>xxxx</literal>.</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
//define some variables
function z = myplus(x, y), z = x + y,endfunction
function z = yourplus(x, y), x = x - y,endfunction
A=1:10;
//create the *.bin files in libdir
libdir=TMPDIR
save(libdir + '/myplus.bin', myplus);
save(libdir + '/yourplus.bin', yourplus);
save(libdir + '/A.bin', A);
//create the name file
mputl(['myplus';'yourplus';'A'],TMPDIR+'/names');
//build the library containing myplus and yourplus
xlib = lib(libdir+'/')
//erase the variables
clear myplus yourplus A
//Automatic loading and execution
myplus(1,2)
A
]]></programlisting>
</refsection>
<refsection>
<title>See Also</title>
<simplelist type="inline">
<member>
<link linkend="library">library</link>
</member>
<member>
<link linkend="genlib">genlib</link>
</member>
<member>
<link linkend="save">save</link>
</member>
<member>
<link linkend="deff">deff</link>
</member>
<member>
<link linkend="exec">exec</link>
</member>
<member>
<link linkend="whereis">whereis</link>
</member>
</simplelist>
</refsection>
</refentry>
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