ROL_Projection.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_PROJECTION_H
#define ROL_PROJECTION_H
 
#include <iostream>
#include "ROL_Vector.hpp"
 
namespace ROL {
 
template<typename Real>
class Projection {
public:
 
  virtual ~Projection() {}
 
  virtual void project(Vector<Real> &x, std::ostream &stream = std::cout) = 0;
 
  virtual void applyJacobian(Vector<Real> &v, const Vector<Real> &x) {
    throw Exception::NotImplemented(">>> ROL::Projection::applyJacobian: Not Implemented!");
  }
 
}; // class Projection
 
} // namespace ROL
 
#endif