DataSymmetriesForViewSegmentNumbers.h

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//
//
/*
    Copyright (C) 2000 PARAPET partners
    Copyright (C) 2000- 2007, Hammersmith Imanet Ltd
    This file is part of STIR.

    SPDX-License-Identifier: Apache-2.0 AND License-ref-PARAPET-license

    See STIR/LICENSE.txt for details
*/
#ifndef __DataSymmetriesForViewSegmentNumbers_H__
#define __DataSymmetriesForViewSegmentNumbers_H__

#include "stir/ViewSegmentNumbers.h"
#include <vector>

START_NAMESPACE_STIR

#if 0
class ViewSegmentIndexRange;
#endif

class DataSymmetriesForViewSegmentNumbers
{
public:
  virtual ~DataSymmetriesForViewSegmentNumbers();

  virtual DataSymmetriesForViewSegmentNumbers* clone() const = 0;


  bool operator==(const DataSymmetriesForViewSegmentNumbers&) const;


  bool operator!=(const DataSymmetriesForViewSegmentNumbers&) const;

#if 0
  // TODO
  virtual ViewSegmentIndexRange
    get_basic_view_segment_index_range() const = 0;
#endif

  virtual void get_related_view_segment_numbers(std::vector<ViewSegmentNumbers>&, const ViewSegmentNumbers& v_s) const = 0;

#if 0
  // not yet, as would need copying of vector
  virtual std::vector<ViewgramIndices>
    get_related_view_segment_numbers(const ViewgramIndices& ind) const
  {
  }
#endif


  virtual int num_related_view_segment_numbers(const ViewSegmentNumbers& v_s) const;

  std::size_t num_related_viewgram_indices(const ViewgramIndices& ind) const
  {
    return static_cast<std::size_t>(num_related_view_segment_numbers(ind));
  }

  virtual bool find_basic_view_segment_numbers(ViewSegmentNumbers& v_s) const = 0;

  virtual bool is_basic(const ViewSegmentNumbers& v_s) const;

protected:
  typedef DataSymmetriesForViewSegmentNumbers root_type;

  virtual bool blindly_equals(const root_type* const) const = 0;
};

END_NAMESPACE_STIR

#endif