AMPLHessian.h

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// 
//     Minotaur -- It's only 1/2 bull
// 
//     (C)opyright 2008 - 2025 The Minotaur Team.
// 
 
#ifndef MINOTAURAMPLHESSIAN_H
#define MINOTAURAMPLHESSIAN_H
 
#include "asl.h"
 
#include "HessianOfLag.h"
 
namespace MINOTAUR_AMPL {
class AMPLInterface;
typedef AMPLInterface * AMPLInterfacePtr;
 
class AMPLHessian : public Minotaur::HessianOfLag {
public:
  AMPLHessian(AMPLInterfacePtr iface);
 
  ~AMPLHessian();
 
  Minotaur::UInt getNumNz() const;
 
  void fillRowColIndices(Minotaur::UInt *iRow, Minotaur::UInt *jCol);
 
  void fillRowColValues(const double *x, double obj_mult, const double
                        *con_mult, double *values, int *error);
 
  void negateObj();
 
private:
  ASL *myAsl_;
 
  Minotaur::UInt nNz_;
 
  bool negObj_; 
};
typedef AMPLHessian* AMPLHessianPtr;
}
 
 
#endif