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<title>GNU Scientific Library &ndash; Reference Manual: Multiset functions</title>

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<a name="Multiset-functions"></a>
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Next: <a href="Reading-and-writing-multisets.html#Reading-and-writing-multisets" accesskey="n" rel="next">Reading and writing multisets</a>, Previous: <a href="Multiset-properties.html#Multiset-properties" accesskey="p" rel="previous">Multiset properties</a>, Up: <a href="Multisets.html#Multisets" accesskey="u" rel="up">Multisets</a> &nbsp; [<a href="Function-Index.html#Function-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Multiset-functions-1"></a>
<h3 class="section">11.5 Multiset functions</h3>

<dl>
<dt><a name="index-gsl_005fmultiset_005fnext"></a>Function: <em>int</em> <strong>gsl_multiset_next</strong> <em>(gsl_multiset * <var>c</var>)</em></dt>
<dd><a name="index-iterating-through-multisets"></a>
<p>This function advances the multiset <var>c</var> to the next multiset element in
lexicographic order and returns <code>GSL_SUCCESS</code>.  If no further multisets
elements are available it returns <code>GSL_FAILURE</code> and leaves <var>c</var>
unmodified.  Starting with the first multiset and repeatedly applying this
function will iterate through all possible multisets of a given order.
</p></dd></dl>

<dl>
<dt><a name="index-gsl_005fmultiset_005fprev"></a>Function: <em>int</em> <strong>gsl_multiset_prev</strong> <em>(gsl_multiset * <var>c</var>)</em></dt>
<dd><p>This function steps backwards from the multiset <var>c</var> to the previous
multiset element in lexicographic order, returning <code>GSL_SUCCESS</code>.  If no
previous multiset is available it returns <code>GSL_FAILURE</code> and leaves <var>c</var>
unmodified.
</p></dd></dl>




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