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<h3 class="section">9.2 Permutation allocation</h3>
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— Function: gsl_permutation * <b>gsl_permutation_alloc</b> (<var>size_t n</var>)<var><a name="index-gsl_005fpermutation_005falloc-954"></a></var><br>
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<blockquote><p>This function allocates memory for a new permutation of size <var>n</var>.
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The permutation is not initialized and its elements are undefined. Use
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the function <code>gsl_permutation_calloc</code> if you want to create a
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permutation which is initialized to the identity. A null pointer is
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returned if insufficient memory is available to create the permutation.
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</p></blockquote></div>
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— Function: gsl_permutation * <b>gsl_permutation_calloc</b> (<var>size_t n</var>)<var><a name="index-gsl_005fpermutation_005fcalloc-955"></a></var><br>
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<blockquote><p>This function allocates memory for a new permutation of size <var>n</var> and
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initializes it to the identity. A null pointer is returned if
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insufficient memory is available to create the permutation.
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</p></blockquote></div>
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— Function: void <b>gsl_permutation_init</b> (<var>gsl_permutation * p</var>)<var><a name="index-gsl_005fpermutation_005finit-956"></a></var><br>
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<blockquote><p><a name="index-identity-permutation-957"></a>This function initializes the permutation <var>p</var> to the identity, i.e.
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(0,1,2,<small class="dots">...</small>,n-1).
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</p></blockquote></div>
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— Function: void <b>gsl_permutation_free</b> (<var>gsl_permutation * p</var>)<var><a name="index-gsl_005fpermutation_005ffree-958"></a></var><br>
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<blockquote><p>This function frees all the memory used by the permutation <var>p</var>.
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</p></blockquote></div>
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— Function: int <b>gsl_permutation_memcpy</b> (<var>gsl_permutation * dest, const gsl_permutation * src</var>)<var><a name="index-gsl_005fpermutation_005fmemcpy-959"></a></var><br>
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<blockquote><p>This function copies the elements of the permutation <var>src</var> into the
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permutation <var>dest</var>. The two permutations must have the same size.
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</p></blockquote></div>
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