Make sure 'Embed' type args are not references

ce20fe06 · Po-Yen, Chen · 3ab2821d · ce20fe06
Commit ce20fe06 authored May 09, 2023 by Po-Yen, Chen
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include/ck/tensor_description/multi_index_transform.hpp include/ck/tensor_description/multi_index_transform.hpp +2 -0

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--- a/include/ck/tensor_description/multi_index_transform.hpp
+++ b/include/ck/tensor_description/multi_index_transform.hpp
@@ -383,6 +383,8 @@ template <typename UpLengths,
          typename enable_if<UpLengths::Size() == Coefficients::Size(), bool>::type = false>
 struct Embed
 {
+    static_assert(!std::is_reference_v<UpLengths> && !std::is_reference_v<Coefficients>);
+
    static constexpr index_t NDimUp = UpLengths::Size();

    using LowerIndex = MultiIndex<1>;