random.hpp

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// SPDX-License-Identifier: BSD-2-Clause
 
#ifndef pRC_TENSOR_TRAIN_TENSOR_RANDOM_H
#define pRC_TENSOR_TRAIN_TENSOR_RANDOM_H
 
#include <prc/core/basic/random.hpp>
#include <prc/tensor_train/tensor/views/random.hpp>
 
namespace pRC
{
    template<class T, class N, class Ranks, class URNG,
        template<class...> class D>
        requires IsRandomEngine<URNG> && IsRandomDistribution<D<Value<T>>>
    struct Random<TensorTrain::Tensor<T, N, Ranks>, URNG, D<Value<T>>>
    {
    public:
        Random(URNG &rng, D<Value<T>> &distribution)
            : mRNG(rng)
            , mDistribution(distribution)
        {
        }
 
        constexpr auto operator()()
        {
            return TensorTrain::TensorViews::Random<T, N, Ranks, URNG, D>(mRNG,
                mDistribution);
        }
 
    private:
        URNG &mRNG;
        D<Value<T>> &mDistribution;
    };
}
#endif // pRC_TENSOR_TRAIN_TENSOR_RANDOM_H