Vi2StatsUVRangeIterator.h

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// -*- mode: c++ -*-
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//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
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//
// casacore::Data provider of uvrange values, based on uvw column
//
#ifndef MSVIS_STATISTICS_VI2_STATS_UV_RANGE_ITERATOR_H_
#define MSVIS_STATISTICS_VI2_STATS_UV_RANGE_ITERATOR_H_

#include <casacore/casa/aips.h>
#include <casacore/casa/Arrays/Array.h>
#include <iterator>
#include <cmath>

namespace casa {

class Vi2StatsUVRangeIterator final
        : public std::iterator<std::input_iterator_tag,casacore::Double> {

public:

        typedef casacore::Double AccumType;
        typedef casacore::Double DataType;

        Vi2StatsUVRangeIterator(const casacore::Array<casacore::Double>& a);

        Vi2StatsUVRangeIterator();

        Vi2StatsUVRangeIterator& operator++();

        Vi2StatsUVRangeIterator operator++(int);

        bool operator==(const Vi2StatsUVRangeIterator& rhs);

        bool operator!=(const Vi2StatsUVRangeIterator& rhs);

        casacore::Double operator*();

        bool atEnd();

        casacore::uInt64 getCount();

protected:

        const casacore::Array<casacore::Double>* array;

        casacore::Array<casacore::Double>::const_iterator array_iter;

        casacore::Array<casacore::Double>::const_iterator end_iter;

        static const casacore::Array<casacore::Double> empty_array;
};

} // namespace casa

#endif // MSVIS_STATISTICS_VI2_STATS_UV_RANGE_ITERATOR_H_