lagrange_tp_utils.hpp

Go to the documentation of this file.

// --------------------------------------------------------------------------
//
// Copyright (C) 2025-present by Pablo Antolin
//
// This file is part of the QUGaR library.
//
// SPDX-License-Identifier:    MIT
//
// --------------------------------------------------------------------------
 
#ifndef QUGAR_IMPL_LAGRANGE_TP_UTILS_HPP
#define QUGAR_IMPL_LAGRANGE_TP_UTILS_HPP
 
 
#include <qugar/point.hpp>
#include <qugar/tensor_index_tp.hpp>
#include <qugar/types.hpp>
#include <qugar/vector.hpp>
 
#include <vector>
 
namespace qugar::impl {
 
void evaluate_Lagrange_basis_1D(real point, int order, bool chebyshev, std::vector<real> &values);
 
void evaluate_Lagrange_basis_der_1D(real point, int order, bool chebyshev, std::vector<real> &values);
 
 
template<int dim>
void evaluate_Lagrange_basis(const Point<dim> &point,
  const TensorSizeTP<dim> &order,
  bool chebyshev,
  std::vector<real> &basis);
 
template<int dim>
void evaluate_Lagrange_derivative(const Point<dim> &point,
  const TensorSizeTP<dim> &order,
  bool chebyshev,
  Vector<std::vector<real>, dim> &basis_ders);
 
 
}// namespace qugar::impl
 
#endif// QUGAR_IMPL_LAGRANGE_TP_UTIL_HPP