index_mul.h

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// -*- C++ -*-
#ifndef __cxz_index_mul_h__
#define __cxz_index_mul_h__
 
#include "base/base.h"
#include "index_base.h"
 
namespace CNORXZ
{
    struct MIndexSptrMul
    {
    template <class BlockT, class... Indices, class I, SizeT... Is>
    static decltype(auto) evalMX(const Sptr<GMIndex<BlockT,Indices...>>& a,
                     const Sptr<I>& b, Isq<Is...> is);
 
    template <class BlockT, class... Indices, class I, typename Meta, SizeT... Js>
    static decltype(auto) evalXM(const Sptr<I>& a, const Sptr<GMIndex<BlockT,Indices...>>& b,
                     Isq<Js...> js);
 
    template <class BlockT1, class... Indices1, class BlockT2, class... Indices2,
          SizeT... Is, SizeT... Js>
    static decltype(auto) evalMM(const Sptr<GMIndex<BlockT1,Indices1...>>& a,
                     const Sptr<GMIndex<BlockT2,Indices2...>>& b,
                     Isq<Is...> is, Isq<Js...> js);
    };
 
    template <class I1, typename Meta1, class I2, typename Meta2>
    inline decltype(auto) operator*(const IndexInterface<I1,Meta1>& a,
                    const IndexInterface<I2,Meta2>& b);
 
    template <class I1, typename Meta1, class... Indices>
    inline decltype(auto) operator*(const IndexInterface<I1,Meta1>& a,
                    const SPack<Indices...>& b);
 
    template <class I2, typename Meta2, class... Indices>
    inline decltype(auto) operator*(const SPack<Indices...>& a,
                    const IndexInterface<I2,Meta2>& b);
 
    template <class... Indices1, class... Indices2>
    inline decltype(auto) operator*(const SPack<Indices1...>& a, const SPack<Indices2...>& b);
 
    template <class I1, typename Meta1>
    inline decltype(auto) operator*(const IndexInterface<I1,Meta1>& a, const DPack& b);
 
    template <class I2, typename Meta2>
    inline decltype(auto) operator*(const DPack& a, const IndexInterface<I2,Meta2>& b);
 
    inline decltype(auto) operator*(const DPack& a, const DPack& b);
 
    template <class I1, class I2>
    decltype(auto) iptrMul(const Sptr<I1>& a, const Sptr<I2>& b);
}
 
#endif