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<?xml version="1.0" encoding="UTF-8"?>
<!--
 * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
 * Copyright (C) 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_V2.1-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" xmlns:scilab="http://www.scilab.org" xml:lang="en" xml:id="isascii">
    <refnamediv>
        <refname>isascii</refname>
        <refpurpose>tests if character is a 7-bit US-ASCII character</refpurpose>
    </refnamediv>
    <refsynopsisdiv>
        <title>Calling Sequence</title>
        <synopsis>res = isascii(str)</synopsis>
    </refsynopsisdiv>
    <refsection>
        <title>Arguments</title>
        <variablelist>
            <varlistentry>
                <term>str</term>
                <listitem>
                    <para>a character string or an array of integers.</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>res</term>
                <listitem>
                    <para>a boolean matrix.</para>
                </listitem>
            </varlistentry>
        </variablelist>
    </refsection>
    <refsection>
        <title>Description</title>
        <para>
            <code>res = isascii(str)</code> returns <constant>%t</constant>
            (TRUE) if entries of <varname>str</varname> are a 7-bit
            US-ASCII character code between 0 and octal 0177 inclusive (or
            entries of <varname>str</varname> are 7-bit US-ASCII characters).
            Otherwise returns <constant>%f</constant> (FALSE).
        </para>
    </refsection>
    <refsection>
        <title>Examples</title>
        <programlisting role="example"><![CDATA[ 
letters = [115.    99.    105.    108.    97.    98.]
isascii(letters)
ascii(letters)
isascii('scilab')
 ]]></programlisting>
    </refsection>
    <refsection role="see also">
        <title>See Also</title>
        <simplelist type="inline">
            <member>
                <link linkend="isalphanum">isalphanum</link>
            </member>
        </simplelist>
    </refsection>
</refentry>