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<h2>
<span class="refentrytitle">endif</span>
</h2>
<p>endif —
Closes a block of code that begins with an "if...then" statement.
</p>
</div>
<div class="refsect1">
<a id="idm281472939825608"></a>
<h2>Description</h2>
<p>
Closes a block of code that begins with an <a class="link" href="if.html" title="if"><em class="citetitle">"if...then"</em></a> statement.
</p>
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<div class="refsect1">
<a id="idm281472939823528"></a>
<h2>Syntax</h2>
<pre class="synopsis">
<span class="command">
<strong>endif</strong>
</span>
</pre>
</div>
<div class="refsect1">
<a id="idm281472939821640"></a>
<h2>Performance</h2>
<p>
Any block of code that begins with an <a class="link" href="if.html" title="if"><em class="citetitle">"if...then"</em></a> statement must end with an <span class="emphasis"><em>endif</em></span> statement.
</p>
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<div class="refsect1">
<a id="idm281472939819000"></a>
<h2>Examples</h2>
<p>
Here is an example of the endif opcode. It uses the file <a class="ulink" href="examples/endif.csd" target="_top"><em class="citetitle">endif.csd</em></a>.
</p>
<div class="example">
<a id="idm281472939817224"></a>
<p class="title">
<strong>Example 239. Example of the endif 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>
<div class="refsect1">
<a id="idm281472772233080"></a>
<pre class="programlisting">
<span class="nt"><CsoundSynthesizer></span>
<span class="nt"><CsOptions></span>
<span class="c1">; Select audio/midi flags here according to platform</span>
-odac <span class="c1">;;;realtime audio out</span>
<span class="c1">;-iadc ;;;uncomment -iadc if realtime audio input is needed too</span>
<span class="c1">; For Non-realtime ouput leave only the line below:</span>
<span class="c1">; -o endif.wav -W ;;; for file output any platform</span>
<span class="nt"></CsOptions></span>
<span class="nt"><CsInstruments></span>
<span class="vg">sr</span> <span class="o">=</span> <span class="mi">44100</span>
<span class="vg">ksmps</span> <span class="o">=</span> <span class="mi">32</span>
<span class="vg">nchnls</span> <span class="o">=</span> <span class="mi">2</span>
<span class="vg">0dbfs</span> <span class="o">=</span> <span class="mi">1</span>
<span class="kd">instr</span> <span class="nf">1</span>
<span class="c1">; Get the note value from the fourth p-field.</span>
k<span class="n">note</span> <span class="o">=</span> <span class="nb">p4</span>
<span class="c1">; Does the user want a low note?</span>
<span class="k">if</span> <span class="p">(</span>k<span class="n">note</span> <span class="o">==</span> <span class="mi">0</span><span class="p">)</span> <span class="k">then</span>
k<span class="n">cps</span> <span class="o">=</span> <span class="mi">220</span>
<span class="c1">; Does the user want a middle note?</span>
<span class="k">elseif</span> <span class="p">(</span>k<span class="n">note</span> <span class="o">==</span> <span class="mi">1</span><span class="p">)</span> <span class="k">then</span>
k<span class="n">cps</span> <span class="o">=</span> <span class="mi">440</span>
<span class="c1">; Does the user want a high note?</span>
<span class="k">elseif</span> <span class="p">(</span>k<span class="n">note</span> <span class="o">==</span> <span class="mi">2</span><span class="p">)</span> <span class="k">then</span>
k<span class="n">cps</span> <span class="o">=</span> <span class="mi">880</span>
<span class="k">endif</span>
<span class="c1">; Create the note.</span>
k<span class="n">amp</span> <span class="nb">init</span> <span class="mf">.8</span>
i<span class="n">fn</span> <span class="o">=</span> <span class="mi">1</span>
a<span class="n">1</span> <span class="nb">oscili</span> k<span class="n">amp</span><span class="p">,</span> k<span class="n">cps</span><span class="p">,</span> i<span class="n">fn</span>
<span class="nb">outs</span> a<span class="n">1</span><span class="p">,</span> a<span class="n">1</span>
<span class="kd">endin</span>
<span class="nt"></CsInstruments></span>
<span class="nt"><CsScore></span>
<span class="c1">; Table #1, a sine wave.</span>
<span class="nb">f</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">16384</span> <span class="mi">10</span> <span class="mi">1</span>
<span class="c1">; p4: 0=low note, 1=middle note, 2=high note.</span>
<span class="c1">; Play Instrument #1 for one second, low note.</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">0</span> <span class="mi">1</span> <span class="mi">0</span>
<span class="c1">; Play Instrument #1 for one second, middle note.</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">1</span> <span class="mi">1</span> <span class="mi">1</span>
<span class="c1">; Play Instrument #1 for one second, high note.</span>
<span class="nb">i</span> <span class="mi">1</span> <span class="mi">2</span> <span class="mi">1</span> <span class="mi">2</span>
<span class="nb">e</span>
<span class="nt"></CsScore></span>
<span class="nt"></CsoundSynthesizer></span>
</pre>
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</div>
<p><br class="example-break" />
</p>
</div>
<div class="refsect1">
<a id="idm281472939813032"></a>
<h2>See Also</h2>
<p>
<a class="link" href="elseif.html" title="elseif"><em class="citetitle">elseif</em></a>,
<a class="link" href="else.html" title="else"><em class="citetitle">else</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="kgoto.html" title="kgoto"><em class="citetitle">kgoto</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>
<p> More information on this opcode: <a class="ulink" href="http://www.csoundjournal.com/2006spring/controlFlow.html" target="_top"><em class="citetitle">http://www.csoundjournal.com/2006spring/controlFlow.html</em></a> , written by Steven Yi </p>
</div>
<div class="refsect1">
<a id="idm281472939802936"></a>
<h2>Credits</h2>
<p>New in version 4.21</p>
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