gsNewtonCotesRule.h

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#pragma once

#include <gsAssembler/gsQuadRule.h>

namespace gismo
{

template<class T>
class gsNewtonCotesRule GISMO_FINAL : public gsQuadRule<T>
{
public:

    typedef memory::unique_ptr<gsNewtonCotesRule> uPtr;

    gsNewtonCotesRule() { }

    gsNewtonCotesRule(gsVector<index_t> const & numNodes,
                const unsigned digits = 0 )
    {
        gsNewtonCotesRule::setNodes(numNodes, digits);
    }

    static uPtr make(gsVector<index_t> const & numNodes,
                        const unsigned digits = 0 )
    { return uPtr( new gsNewtonCotesRule(numNodes,digits) ); }

    gsNewtonCotesRule(index_t numNodes, const unsigned digits = 0 )
    {
        this->setNodes(numNodes, digits);
    }

    gsNewtonCotesRule(const gsBasis<T> & basis, const T quA, const index_t quB, short_t fixDir = -1);
    //const unsigned digits = std::numeric_limits<T>::digits10 );

    gsNewtonCotesRule(const gsBasis<T> & basis, const gsOptionList & options, short_t fixDir = -1);
    //const unsigned digits = std::numeric_limits<T>::digits10 );

    ~gsNewtonCotesRule() { }
    
public:
    // see gsQuadRule.h for documentation
    void setNodes( gsVector<index_t> const & numNodes, 
                   unsigned digits = 0 );

    using gsQuadRule<T>::setNodes; // unhide base

private:

    void init(const gsBasis<T> & basis, const T quA,
              const index_t quB, short_t fixDir);
    
    static void computeReference(index_t n, gsVector<T> & x, gsVector<T> & w);

}; // class gsNewtonCotesRule


} // namespace gismo


#ifndef GISMO_BUILD_LIB
#include GISMO_HPP_HEADER(gsNewtonCotesRule.hpp)
#endif