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Common/DimensionalArray: Don't break clang

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This commit is contained in:
Connor McLaughlin 2020-07-08 15:40:08 +10:00
parent 532c2a0c15
commit 46dfccef81
1 changed files with 19 additions and 0 deletions
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19
src/common/dimensional_array.h
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@ -29,6 +29,9 @@ namespace detail {
template<typename T, std::size_t rank, std::size_t... sizes>
struct DimensionalArrayExplicitRank;
// Workaround for VC2017
#if defined(_MSC_VER) && _MSC_VER < 1920
template<std::size_t rank, std::size_t... sizes>
struct GetRankSize
{
@ -41,6 +44,22 @@ using GetArrayImplType =
std::array<std::conditional_t<rank == 1, T, DimensionalArrayExplicitRank<T, rank - 1, sizes...>>,
GetRankSize<rank, sizes...>::value>;
#else
template<std::size_t rank, std::size_t... sizes>
constexpr std::size_t GetRankSize()
{
constexpr std::size_t size_array[] = {sizes...};
return size_array[rank - 1];
}
template<typename T, std::size_t rank, std::size_t... sizes>
using GetArrayImplType =
std::array<std::conditional_t<rank == 1, T, DimensionalArrayExplicitRank<T, rank - 1, sizes...>>,
GetRankSize<rank, sizes...>()>;
#endif
template<typename T, std::size_t rank_param, std::size_t... sizes>
struct DimensionalArrayExplicitRank : public GetArrayImplType<T, rank_param, sizes...>
{