ROL_ScalarLinearConstraint.hpp

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// @HEADER
// *****************************************************************************
//               Rapid Optimization Library (ROL) Package
//
// Copyright 2014 NTESS and the ROL contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef ROL_AFFINE_HYPERPLANE_EQUALITY_CONSTRAINT_H
#define ROL_AFFINE_HYPERPLANE_EQUALITY_CONSTRAINT_H

#include "ROL_Vector.hpp"
#include "ROL_SingletonVector.hpp"
#include "ROL_Constraint.hpp"

#include <vector>
namespace ROL {

template<typename Real>
class ScalarLinearConstraint : public Constraint<Real> {
private:
  const Ptr<const Vector<Real>> a_; 
  const Real b_;                    

public:
  ScalarLinearConstraint(const Ptr<const Vector<Real>> &a,
                         const Real b);

  void value(Vector<Real> &c, const Vector<Real> &x, Real &tol) override;
  void applyJacobian(Vector<Real> &jv, const Vector<Real> &v,
               const Vector<Real> &x,  Real &tol) override;
  void applyAdjointJacobian(Vector<Real> &ajv, const Vector<Real> &v,
                      const Vector<Real> &x,   Real &tol) override;
  void applyAdjointHessian(Vector<Real> &ahuv, const Vector<Real> &u,
                     const Vector<Real> &v,    const Vector<Real> &x,
                           Real &tol) override;
  std::vector<Real> solveAugmentedSystem(Vector<Real> &v1, Vector<Real> &v2,
                                   const Vector<Real> &b1, const Vector<Real> &b2,
                                   const Vector<Real> &x,  Real &tol) override;

}; // class ScalarLinearConstraint

} // namespace ROL

#include "ROL_ScalarLinearConstraint_Def.hpp"

#endif