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<refentry id="unirand">
<indexterm id="IndexUnirandXClass"><primary>x-class noise generators</primary></indexterm>

<indexterm id="IndexUnirand"><primary>unirand</primary></indexterm>
  <refentryinfo><title>Signal Generators:Random (Noise) Generators</title></refentryinfo>
  <refmeta>
    <refentrytitle>unirand</refentrytitle>
  </refmeta>

  <refnamediv>
    <refname>unirand</refname>
    <refpurpose>
      Uniform distribution random number generator (positive values only).
    </refpurpose>
  </refnamediv>

  <refsect1>
    <title>Description</title>
    <para>
      Uniform distribution random number generator (positive values only). This is an x-class noise generator.
    </para>
  </refsect1>

  <refsect1>
    <title>Syntax</title>
    <synopsis>ares <command>unirand</command> krange</synopsis>

    <synopsis>ires <command>unirand</command> krange</synopsis>

    <synopsis>kres <command>unirand</command> krange</synopsis>
  </refsect1>

  <refsect1>
    <title>Performance</title>
    <para>
      <emphasis>krange</emphasis> -- the range of the random numbers (0 - <emphasis>krange</emphasis>).
    </para>

    <para>
      For more detailed explanation of these distributions, see:
      <orderedlist>
        <listitem>
          <para>C. Dodge - T.A. Jerse 1985. Computer music. Schirmer books. pp.265 - 286</para>
        </listitem>

        <listitem>
          <para>D. Lorrain. A panoply of stochastic cannons. In C. Roads, ed. 1989. Music machine . Cambridge, Massachusetts: MIT press, pp. 351 - 379.</para>
        </listitem>
      </orderedlist>
    </para>
  </refsect1>

    <refsect1>
    <title>Examples</title>
    <para>
      Here is an example of the unirand opcode. It uses the file <ulink url="examples/unirand.csd"><citetitle>unirand.csd</citetitle></ulink>.
            <example>
        <title>Example of the unirand 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/unirand.csd.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
      </example>     
      Its output should include lines like these:
      <screen>
 i   1 time     0.00067:    81.47237
 i   1 time     0.20067:    41.72671
 i   1 time     0.40067:     5.96189
 i   1 time     0.60067:    91.59912
 i   1 time     0.80067:    85.07127
 i   1 time     1.00000:    92.50948
 i   1 time     1.20067:    98.79347
 i   1 time     1.40067:    98.91449
 i   1 time     1.60067:    50.37808
 i   1 time     1.80000:    72.02497
 i   1 time     2.00000:    52.94362

WARNING: Seeding from current time 4007444022

 i   2 time     3.00067:    91.86294
 i   2 time     3.20067:    94.68759
 i   2 time     3.40067:     1.05825
 i   2 time     3.60000:    78.57628
 i   2 time     3.80067:    27.67408
 i   2 time     4.00000:    76.46347
 i   2 time     4.20000:    77.10071
 i   2 time     4.40067:    34.28921
 i   2 time     4.60067:    37.72286
 i   2 time     4.80067:    54.96646
 i   2 time     5.00000:    11.67566
B  3.000 ..  5.000 T  5.000 TT  5.000 M:  0.80000  0.80000
Score finished in csoundPerform().
      </screen>
    </para>
  </refsect1>

  <refsect1>
    <title>See Also</title>
    <para>
      <link linkend="seed"><citetitle>seed</citetitle></link>,
      <link linkend="betarand"><citetitle>betarand</citetitle></link>,
      <link linkend="bexprnd"><citetitle>bexprnd</citetitle></link>,
      <link linkend="cauchy"><citetitle>cauchy</citetitle></link>,
      <link linkend="exprand"><citetitle>exprand</citetitle></link>,
      <link linkend="gauss"><citetitle>gauss</citetitle></link>,
      <link linkend="linrand"><citetitle>linrand</citetitle></link>,
      <link linkend="pcauchy"><citetitle>pcauchy</citetitle></link>,
      <link linkend="poisson"><citetitle>poisson</citetitle></link>,
      <link linkend="trirand"><citetitle>trirand</citetitle></link>,
      <link linkend="weibull"><citetitle>weibull</citetitle></link>
    </para>
  </refsect1>
 
  <refsect1>
    <title>Credits</title>
    <para>
      <simplelist>
        <member>Author: &nameparis;</member>
        <member>MIT, Cambridge</member>
        <member>1995</member>
      </simplelist>
    </para>
  </refsect1>
</refentry>