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<h2>
<span class="refentrytitle">scalearray</span>
</h2>
<p>scalearray —
Scales the values in a range of a vector (one dimensional array).
</p>
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<div class="refsect1">
<a id="idm281472893733736"></a>
<h2>Description</h2>
<p>
The <span class="emphasis"><em>scalearray</em></span> opcode scales a subregion of a
vector to a given minimum/maximum.
</p>
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<div class="refsect1">
<a id="idm281472893660984"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>scalearray</strong></span> tarray, kmin, kmax[, kleft, kright]</pre>
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<div class="refsect1">
<a id="idm281472893658952"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>karray</em></span> -- array for operation.
</p>
<p>
<span class="emphasis"><em>kmin, kmax</em></span> -- target minimum and maximum values.
</p>
<p>
<span class="emphasis"><em>kleft, kright</em></span> -- range of table to use,
defaulting to 0 and size of the vector.
</p>
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<div class="refsect1">
<a id="idm281472893655544"></a>
<h2>Examples</h2>
<p>
Here is an example of the scalearray opcode. It uses the file <a class="ulink" href="examples/scalearray.csd" target="_top"><em class="citetitle">scalearray.csd</em></a>.
</p>
<div class="example">
<a id="idm281472893653768"></a>
<p class="title">
<strong>Example 850. Example of the scalearray 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="idm281472714234808"></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>
-n
<span class="nt"></CsOptions></span>
<span class="nt"><CsInstruments></span>
<span class="c1">;example by joachim heintz</span>
<span class="nb">seed</span> <span class="mi">0</span>
<span class="kd">instr</span> <span class="nf">1</span>
<span class="c1">;create an array with 10 elements</span>
k<span class="n">Arr</span><span class="p">[]</span> <span class="nb">init</span> <span class="mi">10</span>
<span class="c1">;fill in random numbers and print them out</span>
<span class="nb">printks</span> <span class="s">"kArr in maximum range 0..100:</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="mi">0</span>
k<span class="n">Indx</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">until</span> k<span class="n">Indx</span> <span class="o">==</span> <span class="mi">10</span> <span class="k">do</span>
k<span class="n">Num</span> <span class="nb">random</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">100</span>
k<span class="n">Arr</span><span class="p">[</span>k<span class="n">Indx</span><span class="p">]</span> <span class="o">=</span> k<span class="n">Num</span>
<span class="nb">printf</span> <span class="s">"kArr[</span><span class="si">%d</span><span class="s">] = %10f</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> k<span class="n">Indx</span><span class="o">+</span><span class="mi">1</span><span class="p">,</span> k<span class="n">Indx</span><span class="p">,</span> k<span class="n">Num</span>
k<span class="n">Indx</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="k">od</span>
<span class="c1">;scale numbers 0...1 and print them out again</span>
<span class="nb">scalearray</span> k<span class="n">Arr</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">1</span>
k<span class="n">Indx</span> <span class="o">=</span> <span class="mi">0</span>
<span class="nb">printks</span> <span class="s">"kArr in range 0..1</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="mi">0</span>
<span class="k">until</span> k<span class="n">Indx</span> <span class="o">==</span> <span class="mi">10</span> <span class="k">do</span>
<span class="nb">printf</span> <span class="s">"kArr[</span><span class="si">%d</span><span class="s">] = %10f</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> k<span class="n">Indx</span><span class="o">+</span><span class="mi">1</span><span class="p">,</span> k<span class="n">Indx</span><span class="p">,</span> k<span class="n">Arr</span><span class="p">[</span>k<span class="n">Indx</span><span class="p">]</span>
k<span class="n">Indx</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="k">od</span>
<span class="nb">turnoff</span>
<span class="kd">endin</span>
<span class="nt"></CsInstruments></span>
<span class="nt"><CsScore></span>
<span class="nb">i</span><span class="mi">1</span> <span class="mi">0</span> <span class="mf">0.1</span>
<span class="nb">e</span>
<span class="nt"></CsScore></span>
<span class="nt"></CsoundSynthesizer></span>
</pre>
</div>
</div>
</div>
<p><br class="example-break" />
</p>
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<div class="refsect1">
<a id="idm281472893649480"></a>
<h2>See Also</h2>
<p>
<a class="link" href="maxarray.html" title="maxarray"><em class="citetitle">maxarray</em></a>,
<a class="link" href="minarray.html" title="minarray"><em class="citetitle">minarray</em></a>,
<a class="link" href="sumarray.html" title="sumarray"><em class="citetitle">sumarray</em></a>,
</p>
</div>
<div class="refsect1">
<a id="idm281472893645480"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Author: John ffitch</td>
</tr>
<tr>
<td>October 2011</td>
</tr>
</table>
<p>
</p>
<p>New in Csound version 5.14</p>
<p>Renamed in Csound version 6.00</p>
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