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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2000-2025 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Octave is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Octave; see the file COPYING. If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
#if ! defined (octave_Array_util_h)
#define octave_Array_util_h 1
#include "octave-config.h"
#include "Array.h"
#include "lo-array-errwarn.h"
extern OCTAVE_API bool index_in_bounds (const Array<octave_idx_type>& ra_idx,
const dim_vector& dimensions);
extern OCTAVE_API void increment_index (Array<octave_idx_type>& ra_idx,
const dim_vector& dimensions,
int start_dimension = 0);
extern OCTAVE_API octave_idx_type get_scalar_idx (Array<octave_idx_type>& idx,
dim_vector& dims);
extern OCTAVE_API octave_idx_type num_ones (const Array<octave_idx_type>&
ra_idx);
extern OCTAVE_API bool is_scalar (const dim_vector& dim);
extern OCTAVE_API bool isvector (const dim_vector& dim);
extern OCTAVE_API bool any_ones (const Array<octave_idx_type>& arr);
// These four compute a linear index for given dimensions, throwing
// exceptions on invalid indices.
extern OCTAVE_API octave_idx_type
compute_index (octave_idx_type n, const dim_vector& dims);
extern OCTAVE_API octave_idx_type
compute_index (octave_idx_type i, octave_idx_type j, const dim_vector& dims);
extern OCTAVE_API octave_idx_type
compute_index (octave_idx_type i, octave_idx_type j, octave_idx_type k,
const dim_vector& dims);
extern OCTAVE_API octave_idx_type
compute_index (const Array<octave_idx_type>& ra_idx, const dim_vector& dims);
extern OCTAVE_API Array<octave_idx_type>
conv_to_int_array (const Array<octave::idx_vector>& a);
extern OCTAVE_API Array<octave::idx_vector>
conv_to_array (const octave::idx_vector *tmp, const octave_idx_type len);
extern OCTAVE_API dim_vector
freeze (Array<octave::idx_vector>& ra_idx, const dim_vector& dimensions,
int resize_ok);
extern OCTAVE_API bool vector_equivalent (const dim_vector& dv);
OCTAVE_DEPRECATED (9, "all_ok (Array<octave::idx_vector>&) is obsolete and always returns true")
extern OCTAVE_API bool all_ok (const Array<octave::idx_vector>& ra_idx);
extern OCTAVE_API bool
any_orig_empty (const Array<octave::idx_vector>& ra_idx);
extern OCTAVE_API bool
all_colon_equiv (const Array<octave::idx_vector>& ra_idx,
const dim_vector& frozen_lengths);
extern OCTAVE_API bool all_ones (const Array<octave_idx_type>& arr);
extern OCTAVE_API Array<octave_idx_type>
get_elt_idx (const Array<octave::idx_vector>& ra_idx,
const Array<octave_idx_type>& result_idx);
extern OCTAVE_API Array<octave_idx_type> get_ra_idx (octave_idx_type idx,
const dim_vector& dims);
extern OCTAVE_API dim_vector
zero_dims_inquire (const Array<octave::idx_vector>& ia, const dim_vector& rhdv);
extern OCTAVE_API dim_vector
zero_dims_inquire (const octave::idx_vector& i, const octave::idx_vector& j,
const dim_vector& rhdv);
extern OCTAVE_API octave::idx_vector
sub2ind (const dim_vector& dv, const Array<octave::idx_vector>& idxa);
extern OCTAVE_API Array<octave::idx_vector>
ind2sub (const dim_vector& dv, const octave::idx_vector& idx);
struct
permute_vector
{
octave_idx_type pidx;
octave_idx_type iidx;
};
extern int OCTAVE_API permute_vector_compare (const void *a, const void *b);
#endif
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