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<?xml version="1.0" encoding="UTF-8"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 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="int8">
<info>
<pubdate>$LastChangedDate$</pubdate>
</info>
<refnamediv>
<refname>int8</refname>
<refpurpose> conversion to one byte integer representation</refpurpose>
</refnamediv>
<refnamediv xml:id="int16">
<refname>int16</refname>
<refpurpose> conversion to 2 bytes integer representation</refpurpose>
</refnamediv>
<refnamediv xml:id="int32">
<refname>int32</refname>
<refpurpose> conversion to 4 bytes integer representation</refpurpose>
</refnamediv>
<refnamediv xml:id="uint8">
<refname>uint8</refname>
<refpurpose> conversion to one byte unsigned integer representation</refpurpose>
</refnamediv>
<refnamediv xml:id="uint16">
<refname>uint16</refname>
<refpurpose> conversion to 2 bytes unsigned integer representation</refpurpose>
</refnamediv>
<refnamediv xml:id="uint32">
<refname>uint32</refname>
<refpurpose> conversion to 4 bytes unsigned integer representation</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>y=int8(X)
y=int16(X)
y=int32(X)
y=uint8(X)
y=uint16(X)
y=uint32(X)</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term>X</term>
<listitem>
<para>matrix of floats or integers</para>
</listitem>
</varlistentry>
<varlistentry>
<term>y</term>
<listitem>
<para>matrix of integers coded on one, two or four bytes.</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
converts and stores data two one, two or four bytes integers. These
data types are specialy useful to store big objects such as images,
long signals,...
</para>
<variablelist>
<varlistentry>
<term>y=int8(X)</term>
<listitem>
<para>return numbers in the range [-128,127]</para>
</listitem>
</varlistentry>
<varlistentry>
<term>y=uint8(X)</term>
<listitem>
<para>return numbers in the range [0,255]</para>
</listitem>
</varlistentry>
<varlistentry>
<term>y=int16(X)</term>
<listitem>
<para>return numbers in the range [-32768,32767]</para>
</listitem>
</varlistentry>
<varlistentry>
<term>y=uint16(X)</term>
<listitem>
<para>return numbers in the range [0, 65535]</para>
</listitem>
</varlistentry>
<varlistentry>
<term>y=int32(X)</term>
<listitem>
<para>return numbers in the range [-2147483648,2147483647]</para>
</listitem>
</varlistentry>
<varlistentry>
<term>y=uint32(X)</term>
<listitem>
<para>return numbers in the range [0, 4294967295]</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
int8([1 -120 127 312])
uint8([1 -120 127 312])
x=int32(-200:100:400)
int8(x)
]]></programlisting>
</refsection>
<refsection>
<title>See Also</title>
<simplelist type="inline">
<member>
<link linkend="double">double</link>
</member>
<member>
<link linkend="inttype">inttype</link>
</member>
<member>
<link linkend="iconvert">iconvert</link>
</member>
</simplelist>
</refsection>
</refentry>
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