<?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>cngoto</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="clockon.html" title="clockon" /> <link rel="next" href="comb.html" title="comb" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">cngoto</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="clockon.html">Prev</a> </td> <th width="60%" align="center">Orchestra Opcodes and Operators</th> <td width="20%" align="right"> <a accesskey="n" href="comb.html">Next</a></td> </tr> </table> <hr /> </div> <div class="refentry" title="cngoto"> <a id="cngoto"></a> <div class="titlepage"></div> <a id="IndexCngoto" class="indexterm"></a> <div class="refnamediv"> <h2> <span class="refentrytitle">cngoto</span> </h2> <p>cngoto — Transfers control on every pass when a condition is not true. </p> </div> <div class="refsect1" title="Description"> <a id="idp16185584"></a> <h2>Description</h2> <p> Transfers control on every pass when the condition is <span class="emphasis"><em>not</em></span> true. </p> </div> <div class="refsect1" title="Syntax"> <a id="idp16186456"></a> <h2>Syntax</h2> <pre class="synopsis"><span class="command"><strong>cngoto</strong></span> condition, label</pre> <p> where <span class="emphasis"><em>label</em></span> is in the same instrument block and is not an expression, and where <span class="emphasis"><em>condition</em></span> uses one of the Relational operators (<span class="emphasis"><em><</em></span>,<span class="emphasis"><em> =</em></span>, <span class="emphasis"><em><=</em></span>, <span class="emphasis"><em>==</em></span>, <span class="emphasis"><em>!=</em></span>) (and <span class="emphasis"><em>=</em></span> for convenience, see also under <a class="link" href="ControlConditional.html" title="Conditional Values"><em class="citetitle">Conditional Values</em></a>). </p> </div> <div class="refsect1" title="Examples"> <a id="idp16216992"></a> <h2>Examples</h2> <p> Here is an example of the cngoto opcode. It uses the file <a class="ulink" href="examples/cngoto.csd" target="_top"><em class="citetitle">cngoto.csd</em></a>. </p> <div class="example"> <a id="idp16217960"></a> <p class="title"> <strong>Example 115. Example of the cngoto 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">; Audio out Audio in</span> -odac -iadc <span class="comment">;;;RT audio I/O</span> <span class="comment">; -o cngoto.wav -W ;;; for file output any platform</span> <span class="csdtag"></CsOptions></span> <span class="csdtag"><CsInstruments></span> <span class="comment">; Initialize the global variables.</span> <span class="ohdr">sr</span> <span class="op">=</span> 44100 <span class="ohdr">ksmps</span> <span class="op">=</span> 10 <span class="ohdr">nchnls</span> <span class="op">=</span> 1 <span class="comment">; Instrument #1.</span> <span class="oblock">instr</span> 1 <span class="comment">; Change kval linearly from 0 to 2 over</span> <span class="comment">; the period set by the third p-field.</span> kval <span class="opc">line</span> 0, p3, 2 <span class="comment">; If kval *is not* greater than or equal to 1 then play</span> <span class="comment">; the high note. Otherwise, play the low note.</span> <span class="octrl">cngoto</span> (kval <span class="op">>=</span> 1), <span class="olabel">highnote</span> <span class="octrl">kgoto</span> <span class="olabel">lownote</span> <span class="olabel">highnote</span><span class="op">:</span> kfreq <span class="op">=</span> 880 <span class="octrl">goto</span> <span class="olabel">playit</span> <span class="olabel">lownote</span><span class="op">:</span> kfreq <span class="op">=</span> 440 <span class="octrl">goto</span> <span class="olabel">playit</span> <span class="olabel">playit</span><span class="op">:</span> <span class="comment">; Print the values of kval and kfreq.</span> <span class="opc">printks</span> "kval <span class="op">=</span> <span class="op">%</span>f, kfreq <span class="op">=</span> <span class="op">%</span>f\\n", 1, kval, kfreq a1 <span class="opc">oscil</span> 10000, kfreq, 1 <span class="opc">out</span> a1 <span class="oblock">endin</span> <span class="csdtag"></CsInstruments></span> <span class="csdtag"><CsScore></span> <span class="comment">; Table: a simple sine wave.</span> <span class="stamnt">f</span> 1 0 32768 10 1 <span class="comment">; Play Instrument #1 for two seconds.</span> <span class="stamnt">i</span> 1 0 2 <span class="stamnt">e</span> <span class="csdtag"></CsScore></span> <span class="csdtag"></CsoundSynthesizer></span> </pre> </div> </div> <p><br class="example-break" /> Its output should include lines like: </p> <pre class="screen"> kval = 0.000000, kfreq = 880.000000 kval = 0.999732, kfreq = 880.000000 kval = 1.999639, kfreq = 440.000000</pre> <p> </p> </div> <div class="refsect1" title="See Also"> <a id="idp16220728"></a> <h2>See Also</h2> <p> <a class="link" href="cggoto.html" title="cggoto"><em class="citetitle">cggoto</em></a>, <a class="link" href="cigoto.html" title="cigoto"><em class="citetitle">cigoto</em></a>, <a class="link" href="ckgoto.html" title="ckgoto"><em class="citetitle">ckgoto</em></a>, <a class="link" href="goto.html" title="goto"><em class="citetitle">goto</em></a>, <a class="link" href="if.html" title="if"><em class="citetitle">if</em></a>, <a class="link" href="igoto.html" title="igoto"><em class="citetitle">igoto</em></a>, <a class="link" href="tigoto.html" title="tigoto"><em class="citetitle">tigoto</em></a>, <a class="link" href="timout.html" title="timout"><em class="citetitle">timout</em></a> </p> </div> <div class="refsect1" title="Credits"> <a id="idp16225096"></a> <h2>Credits</h2> <p>Example written by Kevin Conder.</p> <p>New in version 4.21</p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="clockon.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="comb.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">clockon </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> comb</td> </tr> </table> </div> </body> </html>