<?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>frac</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="fprints.html" title="fprints" /> <link rel="next" href="fractalnoise.html" title="fractalnoise" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">frac</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="fprints.html">Prev</a> </td> <th width="60%" align="center">Orchestra Opcodes and Operators</th> <td width="20%" align="right"> <a accesskey="n" href="fractalnoise.html">Next</a></td> </tr> </table> <hr /> </div> <div class="refentry" title="frac"> <a id="frac"></a> <div class="titlepage"></div> <a id="IndexFrac" class="indexterm"></a> <div class="refnamediv"> <h2> <span class="refentrytitle">frac</span> </h2> <p>frac — Returns the fractional part of a decimal number. </p> </div> <div class="refsect1" title="Description"> <a id="idp24417920"></a> <h2>Description</h2> <p> Returns the fractional part of <span class="emphasis"><em>x</em></span>. </p> </div> <div class="refsect1" title="Syntax"> <a id="idp24418744"></a> <h2>Syntax</h2> <pre class="synopsis"><span class="command"><strong>frac</strong></span>(x) (init-rate or control-rate args; also works at audio rate in Csound5)</pre> <p> where the argument within the parentheses may be an expression. Value converters perform arithmetic translation from units of one kind to units of another. The result can then be a term in a further expression. </p> </div> <div class="refsect1" title="Examples"> <a id="idp24429824"></a> <h2>Examples</h2> <p> Here is an example of the frac opcode. It uses the file <a class="ulink" href="examples/frac.csd" target="_top"><em class="citetitle">frac.csd</em></a>. </p> <div class="example"> <a id="idp24430800"></a> <p class="title"> <strong>Example 298. Example of the frac 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> <span class="comment">; Audio out Audio in</span> -odac -iadc <span class="comment">;;;RT audio I/O</span> <span class="comment">; For Non-realtime ouput leave only the line below:</span> <span class="comment">; -o frac.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">kr</span> <span class="op">=</span> 4410 <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 i1 <span class="op">=</span> 16 <span class="op">/</span> 5 i2 <span class="op">=</span> <span class="opc">frac</span>(i1) <span class="opc">print</span> i2 <span class="oblock">endin</span> <span class="csdtag"></CsInstruments></span> <span class="csdtag"><CsScore></span> <span class="comment">; Play Instrument #1 for one second.</span> <span class="stamnt">i</span> 1 0 1 <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 a line like this: </p> <pre class="screen"> instr 1: i2 = 0.200 </pre> <p> </p> </div> <div class="refsect1" title="See Also"> <a id="idp24433488"></a> <h2>See Also</h2> <p> <a class="link" href="abs.html" title="abs"><em class="citetitle">abs</em></a>, <a class="link" href="exp.html" title="exp"><em class="citetitle">exp</em></a>, <a class="link" href="int.html" title="int"><em class="citetitle">int</em></a>, <a class="link" href="log.html" title="log"><em class="citetitle">log</em></a>, <a class="link" href="log10.html" title="log10"><em class="citetitle">log10</em></a>, <a class="link" href="opi.html" title="i"><em class="citetitle">i</em></a>, <a class="link" href="sqrt.html" title="sqrt"><em class="citetitle">sqrt</em></a> </p> </div> <div class="refsect1" title="Credits"> <a id="idp24472976"></a> <h2>Credits</h2> <p>Example written by Kevin Conder.</p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="fprints.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="fractalnoise.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">fprints </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> fractalnoise</td> </tr> </table> </div> </body> </html>