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Polynomial.h
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Polynomial.h
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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2012 ISIS Rutherford Appleton Laboratory UKRI,
// NScD Oak Ridge National Laboratory, European Spallation Source,
// Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
#include "MantidCurveFitting/Functions/BackgroundFunction.h"
#include "MantidKernel/System.h"
#include <cmath>
namespace Mantid {
namespace CurveFitting {
namespace Functions {
/** Polynomial : N-th polynomial background function.
*/
class MANTID_CURVEFITTING_DLL Polynomial : public BackgroundFunction {
public:
Polynomial();
/// Overwrite IFunction base class
std::string name() const override { return "Polynomial"; }
const std::string category() const override { return "Background"; }
void function1D(double *out, const double *xValues, const size_t nData) const override;
void functionDeriv1D(API::Jacobian *out, const double *xValues, const size_t nData) override;
/// Returns the number of attributes associated with the function (polynomial
/// order n)
size_t nAttributes() const override { return 1; }
/// Returns a list of attribute names
std::vector<std::string> getAttributeNames() const override;
/// Return a value of attribute attName
Attribute getAttribute(const std::string &attName) const override;
/// Set a value to attribute attName
void setAttribute(const std::string &attName, const Attribute &) override;
/// Check if attribute attName exists
bool hasAttribute(const std::string &attName) const override;
private:
/// Polynomial order
int m_n;
};
using Polynomial_sptr = std::shared_ptr<Polynomial>;
} // namespace Functions
} // namespace CurveFitting
} // namespace Mantid