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namespace std |
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{ |
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template <> |
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struct is_floating_point<half_float::half> : std::true_type |
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{}; |
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// Looks like some compiler have a definition of |
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// is_floating_point_v independent from is_floating_point ... |
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template <> |
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inline constexpr bool is_floating_point_v<half_float::half> = true; |
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template <> |
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struct is_scalar<half_float::half> : std::true_type |
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{}; |
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template <> |
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inline constexpr bool is_scalar_v<half_float::half> = true; |
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template <> |
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struct is_signed<half_float::half> : std::true_type |
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{}; |
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template <> |
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inline constexpr bool is_signed_v<half_float::half> = true; |
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} |
tries to specialize standard type traits which is forbidden. Example from an updated clang:
In file included from /mnt/vcpkg-ci/b/arcticdb-sparrow/src/2.3.0-01921c906f.clean/src/union_array.cpp:15:
In file included from /mnt/vcpkg-ci/b/arcticdb-sparrow/src/2.3.0-01921c906f.clean/include/sparrow/union_array.hpp:20:
In file included from /mnt/vcpkg-ci/b/arcticdb-sparrow/src/2.3.0-01921c906f.clean/include/sparrow/array_api.hpp:21:
In file included from /mnt/vcpkg-ci/b/arcticdb-sparrow/src/2.3.0-01921c906f.clean/include/sparrow/layout/array_access.hpp:17:
In file included from /mnt/vcpkg-ci/b/arcticdb-sparrow/src/2.3.0-01921c906f.clean/include/sparrow/arrow_interface/arrow_array_schema_proxy.hpp:26:
In file included from /mnt/vcpkg-ci/b/arcticdb-sparrow/src/2.3.0-01921c906f.clean/include/sparrow/arrow_interface/arrow_array_schema_info_utils.hpp:18:
In file included from /mnt/vcpkg-ci/b/arcticdb-sparrow/src/2.3.0-01921c906f.clean/include/sparrow/types/data_type.hpp:79:
/mnt/vcpkg-ci/b/arcticdb-sparrow/src/2.3.0-01921c906f.clean/include/sparrow/details/3rdparty/float16_t.hpp:258:27: error: 'is_signed_v' cannot be specialized: Users are not allowed to specialize this standard library entity [-Winvalid-specialization]
258 | inline constexpr bool is_signed_v<half_float::half> = true;
| ^
/android-ndk-r29/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/c++/v1/__type_traits/is_signed.h:30:1: note: marked 'no_specializations' here
30 | _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_signed_v = __is_signed(_Tp);
| ^
/android-ndk-r29/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/c++/v1/__config:1177:9: note: expanded from macro '_LIBCPP_NO_SPECIALIZATIONS'
1177 | [[_Clang::__no_specializations__("Users are not allowed to specialize this standard library entity")]]
| ^See https://eel.is/c++draft/type.traits#meta.rqmts-4
sparrow/include/sparrow/details/3rdparty/float16_t.hpp
Lines 235 to 259 in 17641cb
See https://eel.is/c++draft/type.traits#meta.rqmts-4