AbstractLinAlgPack_MatrixSymSecant.hpp

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#ifndef MATRIX_SYM_SECANT_UPDATEABLE_H
#define MATRIX_SYM_SECANT_UPDATEABLE_H

#include <stdexcept>

#include "AbstractLinAlgPack_MatrixSymInitDiag.hpp"

namespace AbstractLinAlgPack {

class MatrixSymSecant
  : virtual public AbstractLinAlgPack::MatrixSymInitDiag // doxygen needs the full name
{
public:

  class UpdateSkippedException : public std::runtime_error
  {public: UpdateSkippedException(const std::string& what_arg) : std::runtime_error(what_arg) {}};

  class UpdateFailedException : public std::runtime_error
  {public: UpdateFailedException(const std::string& what_arg) : std::runtime_error(what_arg) {}};

  virtual void secant_update(
    VectorMutable     *s
    ,VectorMutable    *y
    ,VectorMutable    *Bs = NULL
    ) = 0;
  
};  // end class MatrixSymSecant 

} // end namespace AbstractLinAlgPack 

#endif  // MATRIX_SYM_SECANT_UPDATEABLE_H