Function identity

src/backend/cpu/identity.cpp:25–31

template<typename T>
Array<T> identity(const dim4& dims) {
    Array<T> out = createEmptyArray<T>(dims);

    getQueue().enqueue(kernel::identity<T>, out);

    return out;
}

#define INSTANTIATE_IDENTITY(T) \
    template Array<T> identity<T>(const af::dim4& dims);