matricize.hpp

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// SPDX-License-Identifier: BSD-2-Clause
 
#ifndef pRC_CORE_TENSOR_OPERATOR_FUNCTIONS_MATRICIZE_H
#define pRC_CORE_TENSOR_OPERATOR_FUNCTIONS_MATRICIZE_H
 
#include <prc/core/basic/functions/is_even.hpp>
#include <prc/core/tensor/declarations.hpp>
 
namespace pRC
{
    template<class X, IsTensorish R = RemoveReference<X>>
        requires(R::Dimension > 0 && isEven(R::Dimension))
    static inline constexpr auto matricize(X &&a)
    {
        return reshape<decltype(cut<2, 0>(typename R::Sizes()))::size(),
            decltype(cut<2, 1>(typename R::Sizes()))::size()>(forward<X>(a));
    }
}
#endif // pRC_CORE_TENSOR_OPERATOR_FUNCTIONS_MATRICIZE_H