<?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>Table Access</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="SiggenTop.html" title="Signal Generators" /> <link rel="prev" href="SiggenScanTop.html" title="Scanned Synthesis" /> <link rel="next" href="SiggenWaveterr.html" title="Wave Terrain Synthesis" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">Table Access</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="SiggenScanTop.html">Prev</a> </td> <th width="60%" align="center">Signal Generators</th> <td width="20%" align="right"> <a accesskey="n" href="SiggenWaveterr.html">Next</a></td> </tr> </table> <hr /> </div> <div class="section" title="Table Access"> <div class="titlepage"> <div> <div> <h2 class="title" style="clear: both"><a id="SiggenTableacc"></a>Table Access</h2> </div> </div> </div> <p> The opcodes that access tables are: </p> <div class="itemizedlist"> <ul class="itemizedlist" type="disc"> <li class="listitem"> <p> <a class="link" href="oscil1.html" title="oscil1"> <em class="citetitle">oscil1</em> </a> </p> </li> <li class="listitem"> <p> <a class="link" href="oscil1i.html" title="oscil1i"> <em class="citetitle">oscil1i</em> </a> </p> </li> <li class="listitem"> <p> <a class="link" href="osciln.html" title="osciln"> <em class="citetitle">osciln</em> </a> </p> </li> <li class="listitem"> <p> <a class="link" href="oscilx.html" title="oscilx"> <em class="citetitle">oscilx</em> </a> </p> </li> <li class="listitem"> <p> <a class="link" href="table.html" title="table"> <em class="citetitle">table</em> </a> </p> </li> <li class="listitem"> <p> <a class="link" href="table3.html" title="table3"> <em class="citetitle">table3</em> </a> </p> </li> <li class="listitem"> <p> <a class="link" href="tablei.html" title="tablei"> <em class="citetitle">tablei</em> </a> </p> </li> </ul> </div> <p> Opcodes ending in 'i' implement linear interpolation and opcodes ending in '3' implement cubic interpolation. </p> <p>The following opcodes implement fast table reading/writing without boundary checks: </p> <div class="itemizedlist"> <ul class="itemizedlist" type="disc"> <li class="listitem"> <p> <a class="link" href="tab.html" title="tab"> <em class="citetitle">tab</em> </a> </p> </li> <li class="listitem"> <p> <a class="link" href="tab.html" title="tab"> <em class="citetitle">tab_i</em> </a> </p> </li> <li class="listitem"> <p> <a class="link" href="tab.html" title="tab"> <em class="citetitle">tabw</em> </a> </p> </li> <li class="listitem"> <p> <a class="link" href="tab.html" title="tab"> <em class="citetitle">tabw_i</em> </a> </p> </li> </ul> </div> <p> </p> <p> See the sections <a class="link" href="TableTop.html#TableQueries" title="Table Queries"><em class="citetitle">Table Queries</em></a>, <a class="link" href="TableReadwrit.html" title="Read/Write Operations"><em class="citetitle">Read/Write Operations</em></a>and <a class="link" href="TableSelect.html" title="Table Reading with Dynamic Selection"><em class="citetitle">Table Reading with Dynamic Selection</em></a> for other table operations. </p> <div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"> <table border="0" summary="Note"> <tr> <td rowspan="2" align="center" valign="top" width="25"> <img alt="[Note]" src="images/note.png" /> </td> <th align="left">Note</th> </tr> <tr> <td align="left" valign="top"> <p> Although tables with a size which is not a power of two can be created using a negative size (see <a class="link" href="f.html" title="f Statement (or Function Table Statement)"><em class="citetitle">f score statement</em></a>), some opcodes will not accept them. </p> </td> </tr> </table> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="SiggenScanTop.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="SiggenTop.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="SiggenWaveterr.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">Scanned Synthesis </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> Wave Terrain Synthesis</td> </tr> </table> </div> </body> </html>