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add a specialization of __make_tuple_types for complex<T> #6102

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merged 5 commits into from
Oct 2, 2025
Merged

add a specialization of __make_tuple_types for complex<T> #6102

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f05eb74
add a specialization of `__make_tuple_types` for `complex<T>`
ericniebler Oct 1, 2025
8714a5f
microsoft's compiler is the bane of my existence
ericniebler Oct 2, 2025
9a12581
Also spcialize for `::cuda::complex`
miscco Oct 2, 2025
7588103
Also specialize `__tuple_like` for `::cuda::complex`
miscco Oct 2, 2025
0841a56
Formatting
miscco Oct 2, 2025
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24 changes: 23 additions & 1 deletion libcudacxx/include/cuda/std/__tuple_dir/make_tuple_types.h
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,9 @@
# pragma system_header
#endif // no system header

#include <cuda/__fwd/complex.h>
#include <cuda/std/__fwd/array.h>
#include <cuda/std/__fwd/complex.h>
#include <cuda/std/__fwd/tuple.h>
#include <cuda/std/__tuple_dir/tuple_element.h>
#include <cuda/std/__tuple_dir/tuple_indices.h>
Expand Down Expand Up @@ -61,7 +63,27 @@ struct __make_tuple_types_flat<array<_Vt, _Np>, __tuple_indices<_Idx...>>
template <size_t>
using __value_type = _Vt;
template <class _Tp, class _ApplyFn = __apply_cvref_fn<_Tp>>
using __apply_quals = __tuple_types<__type_call<_ApplyFn, __value_type<_Idx>>...>;
using __apply_quals _CCCL_NODEBUG_ALIAS = __tuple_types<__type_call<_ApplyFn, __value_type<_Idx>>...>;
};

template <class _Vt, size_t... _Idx>
struct __make_tuple_types_flat<complex<_Vt>, __tuple_indices<_Idx...>>
{
static_assert(sizeof...(_Idx) == 2, "__make_tuple_types: complex has only 2 members");
template <size_t>
using __value_type = _Vt;
template <class _Tp, class _ApplyFn = __apply_cvref_fn<_Tp>>
using __apply_quals _CCCL_NODEBUG_ALIAS = __tuple_types<__type_call<_ApplyFn, __value_type<_Idx>>...>;
};

template <class _Vt, size_t... _Idx>
struct __make_tuple_types_flat<::cuda::complex<_Vt>, __tuple_indices<_Idx...>>
{
static_assert(sizeof...(_Idx) == 2, "__make_tuple_types: complex has only 2 members");
template <size_t>
using __value_type = _Vt;
template <class _Tp, class _ApplyFn = __apply_cvref_fn<_Tp>>
using __apply_quals _CCCL_NODEBUG_ALIAS = __tuple_types<__type_call<_ApplyFn, __value_type<_Idx>>...>;
};

template <class _Tp,
Expand Down
4 changes: 4 additions & 0 deletions libcudacxx/include/cuda/std/__tuple_dir/tuple_like.h
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
# pragma system_header
#endif // no system header

#include <cuda/__fwd/complex.h>
#include <cuda/std/__concepts/concept_macros.h>
#include <cuda/std/__fwd/array.h>
#include <cuda/std/__fwd/complex.h>
Expand Down Expand Up @@ -58,6 +59,9 @@ inline constexpr bool __tuple_like_impl<array<_Tp, _Size>> = true;
template <class _Tp>
inline constexpr bool __tuple_like_impl<complex<_Tp>> = true;

template <class _Tp>
inline constexpr bool __tuple_like_impl<::cuda::complex<_Tp>> = true;

template <class _Ip, class _Sp, ::cuda::std::ranges::subrange_kind _Kp>
inline constexpr bool __tuple_like_impl<::cuda::std::ranges::subrange<_Ip, _Sp, _Kp>> = true;

Expand Down
4 changes: 4 additions & 0 deletions libcudacxx/include/cuda/std/__tuple_dir/tuple_like_ext.h
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
# pragma system_header
#endif // no system header

#include <cuda/__fwd/complex.h>
#include <cuda/std/__fwd/array.h>
#include <cuda/std/__fwd/complex.h>
#include <cuda/std/__fwd/pair.h>
Expand Down Expand Up @@ -54,6 +55,9 @@ inline constexpr bool __tuple_like_ext<array<_Tp, _Size>> = true;
template <class _Tp>
inline constexpr bool __tuple_like_ext<complex<_Tp>> = true;

template <class _Tp>
inline constexpr bool __tuple_like_ext<::cuda::complex<_Tp>> = true;

template <class... _Tp>
inline constexpr bool __tuple_like_ext<__tuple_types<_Tp...>> = true;

Expand Down
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