itensor.hpp

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#include <unordered_set>

#include "teq/shape.hpp"

#ifndef TEQ_INTERFACE_HPP
#define TEQ_INTERFACE_HPP

namespace teq
{

struct iLeaf;

struct iFunctor;

struct iTraveler
{
    virtual ~iTraveler (void) = default;

    virtual void visit (iLeaf* leaf) = 0;

    virtual void visit (iFunctor* func) = 0;
};

struct iTensor
{
    virtual ~iTensor (void) = default;

    virtual void accept (iTraveler& visiter) = 0;

    virtual const Shape& shape (void) const = 0;

    virtual std::string to_string (void) const = 0;
};

using TensptrT = std::shared_ptr<iTensor>;

using TensrefT = std::weak_ptr<iTensor>;

using TensT = std::vector<iTensor*>;

using TensptrsT = std::vector<TensptrT>;

using TensSetT = std::unordered_set<teq::iTensor*>;

using TensptrSetT = std::unordered_set<teq::TensptrT>;

}

#endif // TEQ_INTERFACE_HPP