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<refentry id="tableng">
<indexterm id="IndexTableng"><primary>tableng</primary></indexterm>
<refentryinfo><title>Table Control:Table Queries</title></refentryinfo>
<refmeta>
<refentrytitle>tableng</refentrytitle>
</refmeta>
<refnamediv>
<refname>tableng</refname>
<refpurpose>
Interrogates a function table for length.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>
Interrogates a function table for length.
</para>
</refsect1>
<refsect1>
<title>Syntax</title>
<synopsis>ires <command>tableng</command> ifn</synopsis>
<synopsis>kres <command>tableng</command> kfn</synopsis>
</refsect1>
<refsect1>
<title>Initialization</title>
<para>
<emphasis>ifn</emphasis> -- Table number to be interrogated
</para>
</refsect1>
<refsect1>
<title>Performance</title>
<para>
<emphasis>kfn</emphasis> -- Table number to be interrogated
</para>
<para>
<emphasis>tableng</emphasis> returns the length of the specified table. This will be a power of two number in most circumstances. It will not show whether a table has a guardpoint or not. It seems this information is not available in the table's data structure. If the specified table is not found, then 0 will be returned.
</para>
<para>
Likely to be useful for setting up code for table manipulation operations, such as <link linkend="tablemix"><citetitle>tablemix</citetitle></link> and <link linkend="tablecopy"><citetitle>tablecopy</citetitle></link>.
</para>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
Here is an example of the tableng opcode. It uses the file <ulink url="examples/tableng.csd"><citetitle>tableng.csd</citetitle></ulink>.
<example>
<title>Example of the tableng opcode.</title>
<para>See the sections <link linkend="UsingRealTime"><citetitle>Real-time Audio</citetitle></link> and <link linkend="CommandFlags"><citetitle>Command Line Flags</citetitle></link> for more information on using command line flags.</para>
<xi:include href="examples-xml/tableng.csd.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
</example>
The table is 16,384 samples long. So its output should include a line like this:
<screen>
instr 1: ilen = 16384.000
</screen>
</para>
</refsect1>
<refsect1>
<title>Credits</title>
<para>
<simplelist>
<member>Author: Robin Whittle</member>
<member>Australia</member>
<member>May 1997</member>
</simplelist>
</para>
<para>Example written by &namekevin;.</para>
</refsect1>
</refentry>
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