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<RefEntry id="expt">
<!-- This file is generated automatically from the DSSSL source. -->
<!-- Do not edit this file! -->
<?html-filename expt.html>
<RefMeta>
<RefEntryTitle>expt</RefEntryTitle>
<RefMiscInfo Role="file">dblib.dsl</RefMiscInfo>
</RefMeta>
<RefNameDiv>
<RefName>expt</RefName>
<RefPurpose>Exponentiation</RefPurpose>
</RefNameDiv>
<RefSynopsisDiv><Title>Synopsis</Title>
<Synopsis>
(expt b n)
</Synopsis>
</RefSynopsisDiv>
<RefSect1><Title>Description</Title>
<para>
Returns <literal>b</literal> raised to the <literal>n</literal>th power for integer <literal>n</literal> >= 0.</para>
</RefSect1>
<RefSect1><Title>Author</Title>
<para>
Norman Walsh, <ndw@nwalsh.com>
</para>
</RefSect1>
<RefSect1><Title>Source Code</Title>
<ProgramListing>
(define (expt b n)
;; Exponentiation
;;
(if (<= n 0)
1
(* b (expt b (- n 1)))))
</ProgramListing>
</RefSect1>
</RefEntry>
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