特征根張量編譯錯誤

Question

我正在試驗Eigen::Tensor ，但我無法理解為什么最基本的示例失敗了。 為什么這段代碼

#include <unsupported/Eigen/CXX11/Tensor>

int main()
{
    Eigen::Tensor<int, 2> a(4, 4);
    Eigen::Tensor<int, 2> b(4, 4);

    a.setRandom();
    b.setRandom();

    a += b;

    return 0;
}

導致錯誤：

In file included from eigen.cpp:2:
In file included from /usr/local/include/eigen3/unsupported/Eigen/CXX11/Tensor:142:
/usr/local/include/eigen3/unsupported/Eigen/CXX11/src/Tensor/TensorStorage.h:39:7: error: class template partial specialization is not
      more specialized than the primary template [-Winvalid-partial-specialization]
class TensorStorage<T, FixedDimensions, Options_>
      ^
/usr/local/include/eigen3/unsupported/Eigen/CXX11/src/Tensor/TensorStorage.h:34:63: note: template is declared here
template<typename T, typename Dimensions, int Options_> class TensorStorage;

Answer 1

請更新到默認分支（建議用於Tensor模塊），或至少更新到3.3分支的開頭。