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<TITLE>The Cybil compositional language</TITLE>
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<H2>
The pik function</H2></CENTER>
<CENTER><A HREF="cybil.html">The Cybil composition language</A></CENTER>
<CENTER><A HREF="gensyn.html">Cybil general syntax</A></CENTER>
<CENTER><A HREF="commands.html">Algorithms</A><B><A HREF="sq.html"> sq</A>
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<H4>
The pik function</H4>
<PRE>{pik val1 val2 val3 ....}</PRE>
<B>pik</B> is for pick. <B>pik </B>will choose a number amongst the values
in the list following the <B>pik</B>. Functions have no duration and can
only be used inside an algorithm or as an operand.
<P><B>Values</B> can be:
<OL>
<LI>
<B>real numbers.</B></LI>
<PRE>{pik 1.2 9 100 2000 4.4 -6.4 51.967876}</PRE>
<LI>
<B>CECILIA irate variables.</B> Any irate variable from the CECILIA interface
can be used (sliders, toggles, option) by including the name of the variable
between <B>[]</B> brackets. The substitution is done before the score is
pre-compiled.</LI>
<PRE>{pik [blue] [red] 6 70.9}</PRE>
where <B>blue</B> and <B>red</B> have been defined as irate variables in
the CECILIA interface. <BR>
<BR>
<LI>
<B>a Cybil function.</B>Any Cybil function can be used to generate a value.
Each time the value is needed, the function is evaluated (see functions
further).</LI>
<PRE>{pik {ran f .5 3.3} 4 5 6 8 {pik 3 4 5 6 7}}</PRE>
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