indirect.h

c++经典教材 Blitz++ v0.8

template<typename T_container>
CartesianProduct<TinyVector<int,10>,T_container,10>
indexSet(const T_container& container0, const T_container& container1,
    const T_container& container2, const T_container& container3,
    const T_container& container4, const T_container& container5,
    const T_container& container6, const T_container& container7,
    const T_container& container8, const T_container& container9)
{
    return CartesianProduct<TinyVector<int,10>,T_container,10>(
        const_cast<T_container&>(container0), 
        const_cast<T_container&>(container1), 
        const_cast<T_container&>(container2),
        const_cast<T_container&>(container3),
        const_cast<T_container&>(container4),
        const_cast<T_container&>(container5),
        const_cast<T_container&>(container6),
        const_cast<T_container&>(container7),
        const_cast<T_container&>(container8),
        const_cast<T_container&>(container9));
}

template<typename T_container>
CartesianProduct<TinyVector<int,11>,T_container,11>
indexSet(const T_container& container0, const T_container& container1,
    const T_container& container2, const T_container& container3,
    const T_container& container4, const T_container& container5,
    const T_container& container6, const T_container& container7,
    const T_container& container8, const T_container& container9,
    const T_container& container10)
{
    return CartesianProduct<TinyVector<int,11>,T_container,11>(
        const_cast<T_container&>(container0), 
        const_cast<T_container&>(container1), 
        const_cast<T_container&>(container2),
        const_cast<T_container&>(container3),
        const_cast<T_container&>(container4),
        const_cast<T_container&>(container5),
        const_cast<T_container&>(container6),
        const_cast<T_container&>(container7),
        const_cast<T_container&>(container8),
        const_cast<T_container&>(container9),
        const_cast<T_container&>(container10));
}

// Mixture of singletons and containers, e.g. A[indexSet(I,3,K)]

// cp_findContainerType<T1,T2,T3,...,Tn>::T_container
// The set of parameters T1, T2, T3, ... Tn is a mixture of
// int and T_container.  This traits class finds the container
// type, and sets T_container.
//
// e.g. cp_findContainerType<int,int,list<int>,int>::T_container is list<int>
//      cp_findContainerType<int,deque<int>,deque<int>>::T_container 
//        is deque<int>

template<typename T1, typename T2, typename T3=int, typename T4=int,
         typename T5=int, typename T6=int, typename T7=int, typename T8=int,
         typename T9=int, typename T10=int, typename T11=int>
struct cp_findContainerType {
    typedef T1 T_container;
};

template<typename T2, typename T3, typename T4, typename T5, typename T6,
         typename T7, typename T8, typename T9, typename T10, typename T11>
struct cp_findContainerType<int,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11> {
    typedef _bz_typename
        cp_findContainerType<T2,T3,T4,T5,T6,T7,T8,T9,T10,T11>::T_container
        T_container;
};


// The cp_traits class handles promotion of singleton integers to
// containers.  It takes two template parameters:
//    T = argument type
//    T2 = container type
// If T is an integer, then a container of type T2 is created and the
// integer is inserted.  This container is returned.
// Otherwise, T is assumed to be the same type as T2, and the original
// container is returned.

template<typename T, typename T2>
struct cp_traits {
    typedef T T_container;

    static const T_container& make(const T& x)
    { return x; }
};

template<typename T2>
struct cp_traits<int,T2> {
    typedef T2 T_container;

    static T2 make(int x)
    { 
        T2 singleton;
        singleton.push_back(x);
        return singleton;
    }
};

// These versions of indexSet() allow mixtures of integer
// and container arguments.  At least one integer must be
// specified.

template<typename T1, typename T2>
CartesianProduct<TinyVector<int,2>, _bz_typename 
    cp_findContainerType<T1,T2>::T_container,2> 
indexSet(const T1& c1, const T2& c2)
{
    typedef _bz_typename cp_findContainerType<T1,T2>::T_container
        T_container;

    return CartesianProduct<TinyVector<int,2>, T_container, 2>(
          cp_traits<T1,T_container>::make(c1),
          cp_traits<T2,T_container>::make(c2));
}

template<typename T1, typename T2, typename T3>
CartesianProduct<TinyVector<int,3>, _bz_typename
    cp_findContainerType<T1,T2,T3>::T_container, 3>
indexSet(const T1& c1, const T2& c2, const T3& c3)
{
    typedef _bz_typename cp_findContainerType<T1,T2,T3>::T_container
        T_container;

    return CartesianProduct<TinyVector<int,3>, T_container, 3>(
          cp_traits<T1,T_container>::make(c1),
          cp_traits<T2,T_container>::make(c2),
          cp_traits<T3,T_container>::make(c3));
}

template<typename T1, typename T2, typename T3, typename T4>
CartesianProduct<TinyVector<int,4>, _bz_typename
    cp_findContainerType<T1,T2,T3,T4>::T_container, 4>
indexSet(const T1& c1, const T2& c2, const T3& c3, const T4& c4)
{
    typedef _bz_typename cp_findContainerType<T1,T2,T3,T4>::T_container
        T_container;

    return CartesianProduct<TinyVector<int,4>, T_container, 4>(
          cp_traits<T1,T_container>::make(c1),
          cp_traits<T2,T_container>::make(c2),
          cp_traits<T3,T_container>::make(c3),
          cp_traits<T4,T_container>::make(c4));
}

template<typename T1, typename T2, typename T3, typename T4, typename T5>
CartesianProduct<TinyVector<int,5>, _bz_typename
    cp_findContainerType<T1,T2,T3,T4,T5>::T_container, 5>
indexSet(const T1& c1, const T2& c2, const T3& c3, const T4& c4, const T5& c5)
{
    typedef _bz_typename cp_findContainerType<T1,T2,T3,T4,T5>::T_container
        T_container;

    return CartesianProduct<TinyVector<int,5>, T_container, 5>(
          cp_traits<T1,T_container>::make(c1),
          cp_traits<T2,T_container>::make(c2),
          cp_traits<T3,T_container>::make(c3),
          cp_traits<T4,T_container>::make(c4),
          cp_traits<T5,T_container>::make(c5));
}

template<typename T1, typename T2, typename T3, typename T4, typename T5,
         typename T6>
CartesianProduct<TinyVector<int,6>, _bz_typename
    cp_findContainerType<T1,T2,T3,T4,T5,T6>::T_container, 6>
indexSet(const T1& c1, const T2& c2, const T3& c3, const T4& c4, const T5& c5,
    const T6& c6)
{
    typedef _bz_typename cp_findContainerType<T1,T2,T3,T4,T5,T6>::T_container
        T_container;

    return CartesianProduct<TinyVector<int,6>, T_container, 6>(
          cp_traits<T1,T_container>::make(c1),
          cp_traits<T2,T_container>::make(c2),
          cp_traits<T3,T_container>::make(c3),
          cp_traits<T4,T_container>::make(c4),
          cp_traits<T5,T_container>::make(c5),
          cp_traits<T6,T_container>::make(c6));
}

template<typename T1, typename T2, typename T3, typename T4, typename T5,
         typename T6, typename T7>
CartesianProduct<TinyVector<int,7>, _bz_typename
    cp_findContainerType<T1,T2,T3,T4,T5,T6,T7>::T_container, 7>
indexSet(const T1& c1, const T2& c2, const T3& c3, const T4& c4, const T5& c5,
    const T6& c6, const T7& c7)
{
    typedef _bz_typename
        cp_findContainerType<T1,T2,T3,T4,T5,T6,T7>::T_container
        T_container;

    return CartesianProduct<TinyVector<int,7>, T_container, 7>(
          cp_traits<T1,T_container>::make(c1),
          cp_traits<T2,T_container>::make(c2),
          cp_traits<T3,T_container>::make(c3),
          cp_traits<T4,T_container>::make(c4),
          cp_traits<T5,T_container>::make(c5),
          cp_traits<T6,T_container>::make(c6),
          cp_traits<T7,T_container>::make(c7));
}

template<typename T1, typename T2, typename T3, typename T4, typename T5,
         typename T6, typename T7, typename T8>
CartesianProduct<TinyVector<int,8>, _bz_typename
    cp_findContainerType<T1,T2,T3,T4,T5,T6,T7,T8>::T_container, 8>
indexSet(const T1& c1, const T2& c2, const T3& c3, const T4& c4, const T5& c5,
    const T6& c6, const T7& c7, const T8& c8)
{
    typedef _bz_typename
        cp_findContainerType<T1,T2,T3,T4,T5,T6,T7,T8>::T_container
        T_container;

    return CartesianProduct<TinyVector<int,8>, T_container, 8>(
          cp_traits<T1,T_container>::make(c1),
          cp_traits<T2,T_container>::make(c2),
          cp_traits<T3,T_container>::make(c3),
          cp_traits<T4,T_container>::make(c4),
          cp_traits<T5,T_container>::make(c5),
          cp_traits<T6,T_container>::make(c6),
          cp_traits<T7,T_container>::make(c7),
          cp_traits<T8,T_container>::make(c8));
}

template<typename T1, typename T2, typename T3, typename T4, typename T5,
         typename T6, typename T7, typename T8, typename T9>
CartesianProduct<TinyVector<int,9>, _bz_typename
    cp_findContainerType<T1,T2,T3,T4,T5,T6,T7,T8,T9>::T_container, 9>
indexSet(const T1& c1, const T2& c2, const T3& c3, const T4& c4, const T5& c5,
    const T6& c6, const T7& c7, const T8& c8, const T9& c9)
{
    typedef _bz_typename
        cp_findContainerType<T1,T2,T3,T4,T5,T6,T7,T8,T9>::T_container
        T_container;

    return CartesianProduct<TinyVector<int,9>, T_container, 9>(
          cp_traits<T1,T_container>::make(c1),
          cp_traits<T2,T_container>::make(c2),
          cp_traits<T3,T_container>::make(c3),
          cp_traits<T4,T_container>::make(c4),
          cp_traits<T5,T_container>::make(c5),
          cp_traits<T6,T_container>::make(c6),
          cp_traits<T7,T_container>::make(c7),
          cp_traits<T8,T_container>::make(c8),
          cp_traits<T9,T_container>::make(c9));
}

template<typename T1, typename T2, typename T3, typename T4, typename T5,
         typename T6, typename T7, typename T8, typename T9, typename T10>
CartesianProduct<TinyVector<int,10>, _bz_typename
    cp_findContainerType<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10>::T_container, 10>
indexSet(const T1& c1, const T2& c2, const T3& c3, const T4& c4, const T5& c5,
    const T6& c6, const T7& c7, const T8& c8, const T9& c9, const T10& c10)
{
    typedef _bz_typename
        cp_findContainerType<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10>::T_container
        T_container;

    return CartesianProduct<TinyVector<int,10>, T_container, 10>(
          cp_traits<T1,T_container>::make(c1),
          cp_traits<T2,T_container>::make(c2),
          cp_traits<T3,T_container>::make(c3),
          cp_traits<T4,T_container>::make(c4),
          cp_traits<T5,T_container>::make(c5),
          cp_traits<T6,T_container>::make(c6),
          cp_traits<T7,T_container>::make(c7),
          cp_traits<T8,T_container>::make(c8),
          cp_traits<T9,T_container>::make(c9),
          cp_traits<T10,T_container>::make(c10));
}

template<typename T1, typename T2, typename T3, typename T4, typename T5,
         typename T6, typename T7, typename T8, typename T9, typename T10,
         typename T11>
CartesianProduct<TinyVector<int,11>, _bz_typename
    cp_findContainerType<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11>::T_container, 11>
indexSet(const T1& c1, const T2& c2, const T3& c3, const T4& c4, const T5& c5,
    const T6& c6, const T7& c7, const T8& c8, const T9& c9, const T10& c10,
    const T11& c11)
{
    typedef _bz_typename
        cp_findContainerType<T1,T2,T3,T4,T5,T6,T7,T8,T9,T10,T11>::T_container
        T_container;

    return CartesianProduct<TinyVector<int,11>, T_container, 11>(
          cp_traits<T1,T_container>::make(c1),
          cp_traits<T2,T_container>::make(c2),
          cp_traits<T3,T_container>::make(c3),
          cp_traits<T4,T_container>::make(c4),
          cp_traits<T5,T_container>::make(c5),
          cp_traits<T6,T_container>::make(c6),
          cp_traits<T7,T_container>::make(c7),
          cp_traits<T8,T_container>::make(c8),
          cp_traits<T9,T_container>::make(c9),
          cp_traits<T10,T_container>::make(c10),
          cp_traits<T11,T_container>::make(c11));
}

BZ_NAMESPACE_END

#endif // BZ_ARRAY_INDIRECT_H