<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>tabsum</title>
<link rel="stylesheet" type="text/css" href="csound.css" />
<meta name="generator" content="DocBook XSL Stylesheets V1.76.1" />
<link rel="home" href="index.html" title="The Canonical Csound Reference Manual" />
<link rel="up" href="OpcodesTop.html" title="Orchestra Opcodes and Operators" />
<link rel="prev" href="tabplay.html" title="tabplay" />
<link rel="next" href="tab2pvs.html" title="tab2pvs" />
</head>
<body>
<div class="navheader">
<table width="100%" summary="Navigation header">
<tr>
<th colspan="3" align="center">tabsum</th>
</tr>
<tr>
<td width="20%" align="left"><a accesskey="p" href="tabplay.html">Prev</a> </td>
<th width="60%" align="center">Orchestra Opcodes and Operators</th>
<td width="20%" align="right"> <a accesskey="n" href="tab2pvs.html">Next</a></td>
</tr>
</table>
<hr />
</div>
<div class="refentry" title="tabsum">
<a id="tabsum"></a>
<div class="titlepage"></div>
<a id="IndexTabsum" class="indexterm"></a>
<div class="refnamediv">
<h2>
<span class="refentrytitle">tabsum</span>
</h2>
<p>tabsum —
Adding values in a range of a table.
</p>
</div>
<div class="refsect1" title="Description">
<a id="idp48430184"></a>
<h2>Description</h2>
<p>
Sums the values in an f-table in a consecutive range.
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp48430848"></a>
<h2>Syntax</h2>
<pre class="synopsis">kr <span class="command"><strong>tabsum</strong></span> ifn[[, kmin] [, kmax]]</pre>
</div>
<div class="refsect1" title="Initialization">
<a id="idp48431936"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>ifn</em></span> -- table number
</p>
</div>
<div class="refsect1" title="Performance">
<a id="idp48475104"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>kr</em></span> -- input signal to write.
</p>
<p>
<span class="emphasis"><em>kmin, kmax</em></span> -- range of the table to sum.
If omitted or zero they default to 0
to length of the table.
</p>
</div>
<div class="refsect1" title="Examples">
<a id="idp48476480"></a>
<h2>Examples</h2>
<p>
Here is an example of the tabsum opcode. It uses the file <a class="ulink" href="examples/tabsum.csd" target="_top"><em class="citetitle">tabsum.csd</em></a>.
</p>
<div class="example">
<a id="idp48477448"></a>
<p class="title">
<strong>Example 866. Example of the tabsum opcode.</strong>
</p>
<div class="example-contents">
<p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
<pre class="programlisting">
<span class="csdtag"><CsoundSynthesizer></span>
<span class="csdtag"><CsOptions></span>
<span class="comment">; Select audio/midi flags here according to platform</span>
-odac <span class="comment">;;;realtime audio out</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o tab.wav -W ;;; for file output any platform</span>
<span class="csdtag"></CsOptions></span>
<span class="csdtag"><CsInstruments></span>
<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">ksmps</span> <span class="op">=</span> 2205
<span class="ohdr">nchnls</span> <span class="op">=</span> 1
<span class="ohdr">0dbfs</span> <span class="op">=</span> 1
<span class="oblock">instr</span> 1 <span class="comment">;;; Give a value to the increment</span>
kmax <span class="op">=</span> 256
knorm tabsum 1, 0, kmax
gkinc <span class="op">=</span> knorm<span class="op">/</span>10
<span class="oblock">endin</span>
<span class="oblock">instr</span> 2
kmax <span class="op">=</span> 256
kx <span class="op">=</span> <span class="opc">rnd</span>(kmax)
krnd tabsum 1, 0, kx
knorm tabsum 1, 0, kmax
kvar <span class="op">=</span> krnd <span class="op">/</span> knorm <span class="comment">;;; now n [0,1] range</span>
asig <span class="opc">oscil</span> kvar, p4, 2
<span class="opc">out</span> asig
<span class="comment">;;; Make randomness give 1 more often</span>
kc <span class="opc">tab</span> 0, 1
<span class="opc">tablew</span> kc<span class="op">+</span>gkinc, 0, 1
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">f</span>1 0 256 21 1
<span class="stamnt">f</span>2 0 4096 10 1
<span class="stamnt">i</span>1 0 0.1
<span class="stamnt">i</span>2 0.1 3 440
<span class="stamnt">e</span>
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
</div>
</div>
<p><br class="example-break" />
</p>
</div>
<div class="refsect1" title="See Also">
<a id="idp48479720"></a>
<h2>See Also</h2>
<p>
<a class="link" href="vectorial.html" title="Vectorial Opcodes"><em class="citetitle"></em>Vectorial opcodes</a>
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp48480760"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Author: John ffitch</td>
</tr>
<tr>
<td>Codemist Ltd</td>
</tr>
<tr>
<td>2009</td>
</tr>
</table>
<p>
</p>
<p>New in version 5.11</p>
</div>
</div>
<div class="navfooter">
<hr />
<table width="100%" summary="Navigation footer">
<tr>
<td width="40%" align="left"><a accesskey="p" href="tabplay.html">Prev</a> </td>
<td width="20%" align="center">
<a accesskey="u" href="OpcodesTop.html">Up</a>
</td>
<td width="40%" align="right"> <a accesskey="n" href="tab2pvs.html">Next</a></td>
</tr>
<tr>
<td width="40%" align="left" valign="top">tabplay </td>
<td width="20%" align="center">
<a accesskey="h" href="index.html">Home</a>
</td>
<td width="40%" align="right" valign="top"> tab2pvs</td>
</tr>
</table>
</div>
</body>
</html>
distrib
>
Mageia
>
5
>
x86_64
>
media
>
core-release
>
by-pkgid
>
b707d9a4ee443103660a75ccb6e51334
>
files
>
2713
