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<a name="Permutation-allocation"></a>
Next: <a rel="next" accesskey="n" href="Accessing-permutation-elements.html">Accessing permutation elements</a>,
Previous: <a rel="previous" accesskey="p" href="The-Permutation-struct.html">The Permutation struct</a>,
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<h3 class="section">9.2 Permutation allocation</h3>
<div class="defun">
— Function: gsl_permutation * <b>gsl_permutation_alloc</b> (<var>size_t n</var>)<var><a name="index-gsl_005fpermutation_005falloc-1030"></a></var><br>
<blockquote><p>This function allocates memory for a new permutation of size <var>n</var>.
The permutation is not initialized and its elements are undefined. Use
the function <code>gsl_permutation_calloc</code> if you want to create a
permutation which is initialized to the identity. A null pointer is
returned if insufficient memory is available to create the permutation.
</p></blockquote></div>
<div class="defun">
— Function: gsl_permutation * <b>gsl_permutation_calloc</b> (<var>size_t n</var>)<var><a name="index-gsl_005fpermutation_005fcalloc-1031"></a></var><br>
<blockquote><p>This function allocates memory for a new permutation of size <var>n</var> and
initializes it to the identity. A null pointer is returned if
insufficient memory is available to create the permutation.
</p></blockquote></div>
<div class="defun">
— Function: void <b>gsl_permutation_init</b> (<var>gsl_permutation * p</var>)<var><a name="index-gsl_005fpermutation_005finit-1032"></a></var><br>
<blockquote><p><a name="index-identity-permutation-1033"></a>This function initializes the permutation <var>p</var> to the identity, i.e.
(0,1,2,<small class="dots">...</small>,n-1).
</p></blockquote></div>
<div class="defun">
— Function: void <b>gsl_permutation_free</b> (<var>gsl_permutation * p</var>)<var><a name="index-gsl_005fpermutation_005ffree-1034"></a></var><br>
<blockquote><p>This function frees all the memory used by the permutation <var>p</var>.
</p></blockquote></div>
<div class="defun">
— Function: int <b>gsl_permutation_memcpy</b> (<var>gsl_permutation * dest, const gsl_permutation * src</var>)<var><a name="index-gsl_005fpermutation_005fmemcpy-1035"></a></var><br>
<blockquote><p>This function copies the elements of the permutation <var>src</var> into the
permutation <var>dest</var>. The two permutations must have the same size.
</p></blockquote></div>
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