File hermitianvalueaccounting.h

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#ifndef TEMPLAT_LATTICE_MEMORY_MEMORYLAYOUTS_HERMITIANVALUEACCOUNTING_H
#define TEMPLAT_LATTICE_MEMORY_MEMORYLAYOUTS_HERMITIANVALUEACCOUNTING_H

/* This file is part of TempLat, available at https://cosmolattice.github.io/templat .
   Copyright 2021-2026 The TempLat authors, see AUTHORS.md.
   Released under the MIT license, see LICENSE.md. */

// File info: Main contributor(s): Wessel Valkenburg, Year: 2019

#include <cstddef>
#include <ostream>
#include "TempLat/parallel/device.h"

namespace TempLat
{
  class HermitianValueAccounting
  {
  public:
    // Put public methods here. These should change very little over time.
    DEVICE_FUNCTION
    HermitianValueAccounting(device::Idx realCount, device::Idx imaginaryCount)
        : mRealCount(realCount), mImaginaryCount(imaginaryCount)
    {
    }

    DEVICE_INLINE_FUNCTION
    device::Idx getRealValueCount() const { return mRealCount; }

    DEVICE_INLINE_FUNCTION
    device::Idx getImaginaryValueCount() const { return mImaginaryCount; }

    friend std::ostream &operator<<(std::ostream &ostream, const HermitianValueAccounting &hva)
    {
      ostream << hva.mRealCount << " independent real values,\n" << hva.mImaginaryCount << " imaginary values.";
      return ostream;
    }

  private:
    /* Put all member variables and private methods here. These may change arbitrarily. */
    device::Idx mRealCount;
    device::Idx mImaginaryCount;
  };

} // namespace TempLat

#endif