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<refentry id="loop_le">
<indexterm id="Indexloop_le"><primary>loop_le</primary></indexterm>
<refentryinfo><title>Instrument Control:Program Flow Control</title></refentryinfo>
<refmeta>
<refentrytitle>loop_le</refentrytitle>
</refmeta>
<refnamediv>
<refname>loop_le</refname>
<refpurpose>
Looping constructions.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>
Construction of looping operations.
</para>
</refsect1>
<refsect1>
<title>Syntax</title>
<synopsis><command>loop_le </command> indx, incr, imax, label</synopsis>
<synopsis><command>loop_le </command> kndx, kncr, kmax, label</synopsis>
</refsect1>
<refsect1>
<title>Initialization</title>
<para>
<emphasis>indx</emphasis> -- i-rate variable to count loop.
</para>
<para>
<emphasis>incr</emphasis> -- value to increment the loop.
</para>
<para>
<emphasis>imax</emphasis> -- maximum value of loop index.
</para>
</refsect1>
<refsect1>
<title>Performance</title>
<para>
<emphasis>kndx</emphasis> -- k-rate variable to count loop.
</para>
<para>
<emphasis>kncr</emphasis> -- value to increment the loop.
</para>
<para>
<emphasis>kmax</emphasis> -- maximum value of loop index.
</para>
<para>
The actions of <command>loop_le</command> are equivalent to the
code
<programlisting>
indx = indx + incr
if (indx <= imax) igoto label
</programlisting>
<!-- except that the values of the <emphasis>incr</emphasis> and
<emphasis>imax</emphasis> paramemter cannot change in the loop; --> or
<programlisting>
kndx = kndx + kncr
if (kndx <= kmax) kgoto label
</programlisting>
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<link linkend="loop_ge"><citetitle>loop_ge</citetitle></link>,
<link linkend="loop_gt"><citetitle>loop_gt</citetitle></link> and
<link linkend="loop_lt"><citetitle>loop_lt</citetitle></link>.
</para>
</refsect1>
<refsect1>
<title>Credits</title>
<para>&nameistvan;.</para>
<para>New in Csound version 5.01</para>
</refsect1>
</refentry>
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