NonNegativeLeastSquaresSolver.h

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// Copyright (c) 2002-present, OpenMS Inc. -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Chris Bielow $
// $Authors: Chris Bielow $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/DATASTRUCTURES/Matrix.h>
#include <vector>
 
namespace OpenMS
{
  class OPENMS_DLLAPI NonNegativeLeastSquaresSolver
  {
public:
 
    enum RETURN_STATUS
    {
      SOLVED,
      ITERATION_EXCEEDED
    };
 
    static Int solve(const Matrix<double>& A, const Matrix<double>& b, Matrix<double>& x);
 
    static Int solve(double* A, int A_rows, int A_cols,
                     std::vector<double>& b, std::vector<double>& x);
 
    static Int solve(Matrix<double>& A, std::vector<double>& b, std::vector<double>& x);
  };
 
} // namespace OpenMS