polynomials_bernstein.h

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// ------------------------------------------------------------------------
//
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2015 - 2020 by the deal.II authors
//
// This file is part of the deal.II library.
//
// Part of the source code is dual licensed under Apache-2.0 WITH
// LLVM-exception OR LGPL-2.1-or-later. Detailed license information
// governing the source code and code contributions can be found in
// LICENSE.md and CONTRIBUTING.md at the top level directory of deal.II.
//
// ------------------------------------------------------------------------
 
#ifndef dealii_polynomials_bernstein_h
#define dealii_polynomials_bernstein_h
 
 
#include <deal.II/base/config.h>
 
#include <deal.II/base/polynomial.h>
 
#include <fstream>
#include <iostream>
 
 
DEAL_II_NAMESPACE_OPEN
 
template <typename number>
class PolynomialsBernstein : public Polynomials::Polynomial<number>
{
public:
  PolynomialsBernstein(const unsigned int index, const unsigned int degree);
};
 
 
template <typename number>
std::vector<Polynomials::Polynomial<number>>
generate_complete_bernstein_basis(const unsigned int degree)
{
  std::vector<Polynomials::Polynomial<number>> v;
  for (unsigned int i = 0; i < degree + 1; ++i)
    v.push_back(PolynomialsBernstein<number>(i, degree));
  return v;
}
 
DEAL_II_NAMESPACE_CLOSE
 
#endif