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// CppNumericalSolver
#ifndef ISOLVER_H_
#define ISOLVER_H_
#include <functional>
#include "isolver.h"
#include "../meta.h"
#include "../problem.h"
namespace cppoptlib {
template<typename ProblemType, int Ord>
class ISolver {
public:
using Scalar = typename ProblemType::Scalar;
using TVector = typename ProblemType::TVector;
using THessian = typename ProblemType::THessian;
using TCriteria = typename ProblemType::TCriteria;
protected:
const int order_ = Ord;
TCriteria m_stop, m_current;
Status m_status = Status::NotStarted;
DebugLevel m_debug = DebugLevel::None;
public:
virtual ~ISolver() = default;
ISolver() {
m_stop = TCriteria::defaults();
m_current.reset();
}
ISolver(const TCriteria &s) {
m_stop = s;
m_current.reset();
}
void setStopCriteria(const TCriteria &s) { m_stop = s; }
const TCriteria &criteria() { return m_current; }
const Status &status() { return m_status; }
void setDebug(const DebugLevel &d) { m_debug = d; }
/**
* @brief minimize an objective function given a gradient (and optinal a hessian)
* @details this is just the abstract interface
*
* @param x0 starting point
* @param funObjective objective function
* @param funGradient gradient function
* @param funcHession hessian function
*/
virtual void minimize(ProblemType &objFunc, TVector &x0) = 0;
};
} /* namespace cppoptlib */
#endif /* ISOLVER_H_ */
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