EstimateMixed.h

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// EstimateMixed.h: Estimate Jones matrices for several directions
// simultaneously. A separate data stream is used for each direction. The
// mixing coefficients quantify the influence of each direction on each of the
// other directions (including time and frequency smearing).
//
// Copyright (C) 2020 ASTRON (Netherlands Institute for Radio Astronomy)
// SPDX-License-Identifier: GPL-3.0-or-later
 
 
#ifndef DPPP_ESTIMATEMIXED_H
#define DPPP_ESTIMATEMIXED_H
 
#include "Baseline.h"
#include "Cursor.h"
 
#include <vector>
 
namespace dp3 {
namespace base {
 
//
bool estimate(size_t nDirection, size_t nStation, size_t nBaseline,
              size_t nChannel, const_cursor<Baseline> baselines,
              std::vector<const_cursor<std::complex<float>>> data,
              std::vector<const_cursor<std::complex<double>>> model,
              const_cursor<bool> flag, const_cursor<float> weight,
              const_cursor<std::complex<double>> mix, double* unknowns,
              size_t maxiter = 50);
 
#ifdef HAVE_LIBDIRAC
bool estimate(std::size_t n_direction, std::size_t n_station,
              std::size_t n_baseline, std::size_t n_channel,
              const_cursor<Baseline> baselines,
              std::vector<const_cursor<std::complex<float>>> data,
              std::vector<const_cursor<std::complex<double>>> model,
              const_cursor<bool> flag, const_cursor<float> weight,
              const_cursor<std::complex<double>> mix, double* unknowns,
              std::size_t lbfgs_mem, double robust_nu, const double sol_min,
              const double sol_max, std::size_t max_iter = 50);
#endif /* HAVE_LIBDIRAC */
 
void makeIndex(std::size_t n_direction, std::size_t n_station,
               const Baseline& baseline, unsigned int* index);
 
}  // namespace base
}  // namespace dp3
 
#endif