polynomials_bernstein.h

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// ---------------------------------------------------------------------
//
// Copyright (C) 2013 - 2019 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, redistribute
// it, and/or modify it under the terms of the GNU Lesser General
// Public License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// The full text of the license can be found in the file LICENSE.md at
// the top level directory of deal.II.
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// ---------------------------------------------------------------------
 
#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