void xt_mergesort_idxpos(idxpos_type *v, size_t n)
void xt_mergesort_index(Xt_int *a, int n, int *idx, int reset_index)
void xt_mergesort_xt_int_permutation(Xt_int *a, size_t n, int *permutation)
void xt_mergesort_int_permutation(int *a, size_t n, int *permutation)
void xt_mergesort_int(int a[], size_t n)
void xt_mergesort_xt_int(Xt_int a[], size_t n)
struct idxpos_struct idxpos_type