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<div class="refentry" title="tb">
<a id="tb"></a>
<div class="titlepage"></div>
<a id="IndexTb15_init" class="indexterm"></a>
<a id="IndexTb14_init" class="indexterm"></a>
<a id="IndexTb13_init" class="indexterm"></a>
<a id="IndexTb12_init" class="indexterm"></a>
<a id="IndexTb11_init" class="indexterm"></a>
<a id="IndexTb10_init" class="indexterm"></a>
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<a id="IndexTb2_init" class="indexterm"></a>
<a id="IndexTb1_init" class="indexterm"></a>
<a id="IndexTb0_init" class="indexterm"></a>
<a id="IndexTb15" class="indexterm"></a>
<a id="IndexTb14" class="indexterm"></a>
<a id="IndexTb13" class="indexterm"></a>
<a id="IndexTb12" class="indexterm"></a>
<a id="IndexTb11" class="indexterm"></a>
<a id="IndexTb10" class="indexterm"></a>
<a id="IndexTb9" class="indexterm"></a>
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<a id="IndexTb3" class="indexterm"></a>
<a id="IndexTb2" class="indexterm"></a>
<a id="IndexTb1" class="indexterm"></a>
<a id="IndexTb0" class="indexterm"></a>
<div class="refnamediv">
<h2>
<span class="refentrytitle">tb</span>
</h2>
<p>tb0, tb1, tb2, tb3, tb4, tb5, tb6, tb7, tb8, tb9, tb10, tb11, tb12, tb13, tb14, tb15, tb0_init, tb1_init, tb2_init, tb3_init, tb4_init, tb5_init, tb6_init, tb7_init, tb8_init, tb9_init, tb10_init, tb11_init, tb12_init, tb13_init, tb14_init, tb15_init —
Table Read Access inside expressions.
</p>
</div>
<div class="refsect1" title="Description">
<a id="idp47072000"></a>
<h2>Description</h2>
<p>
Allow to read tables in function fashion, to be used inside expressions.
At present time Csound only supports functions with a single input
argument. However, to access table elements, user must provide two
numbers, i.e. the number of table and the index of element. So, in
order to allow to access a table element with a function, a
previous preparation step should be done.
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp47073008"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>tb0_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb1_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb2_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb3_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb4_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb5_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb6_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb7_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb8_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb9_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb10_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb11_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb12_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb13_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb14_init</strong></span> ifn</pre>
<pre class="synopsis"><span class="command"><strong>tb15_init</strong></span> ifn</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb0</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb0</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb1</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb1</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb2</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb2</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb3</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb3</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb4</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb4</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb5</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb5</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb6</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb6</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb7</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb7</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb8</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb8</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb9</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb9</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb10</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb10</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb11</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb11</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb12</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb12</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb13</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb13</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb14</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb14</strong></span>(kIndex)</pre>
<pre class="synopsis">iout = <span class="command"><strong>tb15</strong></span>(iIndex)</pre>
<pre class="synopsis">kout = <span class="command"><strong>tb15</strong></span>(kIndex)</pre>
</div>
<div class="refsect1" title="Performance">
<a id="idp47105984"></a>
<h2>Performance</h2>
<p>
There are 16 different opcodes whose name is associated with a
number from 0 to 15. User can associate a specific table with each
opcode (so the maximum number of tables that can be accessed in
function fashion is 16). Prior to access a table, user must
associate the table with one of the 16 opcodes by means of an
opcode chosen among <span class="emphasis"><em>tb0_init</em></span>, ...,
<span class="emphasis"><em>tb15_init</em></span>. For example,
</p>
<pre class="programlisting">
<span class="opc">tb0_init</span> 1</pre>
<p>
associates table 1 with tb0( ) function, so that, each element of
table 1 can be accessed (in function fashion) with:
</p>
<pre class="programlisting">
kvar <span class="op">=</span> <span class="opc">tb0</span>(k_some_index_of_table1) <span class="op">*</span> k_some_other_var</pre>
<p>
</p>
<pre class="programlisting">
ivar <span class="op">=</span> <span class="opc">tb0</span>(i_some_index_of_table1) <span class="op">+</span> i_some_other_var</pre>
<p>
etc...
</p>
<p>
By using these opcodes, user can drastically reduce the number of
lines of an orchestra, improving its readability.
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp47111328"></a>
<h2>Credits</h2>
<p>Written by Gabriel Maldonado.</p>
</div>
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