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<refentry id="qinf">
<indexterm id="IndexQinf"><primary>qinf</primary></indexterm>
<refentryinfo><title>Mathematical Operations:Mathematical Functions</title></refentryinfo>
<refmeta>
<refentrytitle>qinf</refentrytitle>
</refmeta>
<refnamediv>
<refname>qinf</refname>
<refpurpose>
Questions whether the argument is a infinite number
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>
Returns the number of times the argument is not a number, with
the sign of the first infinity.
</para>
</refsect1>
<refsect1>
<title>Syntax</title>
<synopsis><command>qinf</command>(x) (no rate restriction)</synopsis>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
Here is an example of the qinf opcode. It uses the file <ulink url="examples/qinf.csd"><citetitle>qinf.csd</citetitle></ulink>.
<example>
<title>Example of the qinf opcode.</title>
<para>See the sections <link linkend="UsingRealTime"><citetitle>Real-time Audio</citetitle></link> and <link linkend="CommandFlags"><citetitle>Command Line Flags</citetitle></link> for more information on using command line flags.</para>
<xi:include href="examples-xml/qinf.csd.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
</example>
</para>
</refsect1>
<refsect1>
<title>Credits</title>
<para>Written by &namejohn;.</para>
<para>New in Csound 5.14</para>
</refsect1>
</refentry>
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