From 231da5844d7a5a7414e47501ab0f7245b43345c1 Mon Sep 17 00:00:00 2001
From: Michael Schellenberger Costa <miscco@nvidia.com>
Date: Tue, 21 Jan 2025 13:41:04 +0100
Subject: [PATCH] try and fix fold

---
 .../include/cuda/std/__type_traits/fold.h     | 82 +------------------
 1 file changed, 1 insertion(+), 81 deletions(-)

diff --git a/libcudacxx/include/cuda/std/__type_traits/fold.h b/libcudacxx/include/cuda/std/__type_traits/fold.h
index 288fdac1ddb..68202baefc3 100644
--- a/libcudacxx/include/cuda/std/__type_traits/fold.h
+++ b/libcudacxx/include/cuda/std/__type_traits/fold.h
@@ -70,87 +70,7 @@ _CCCL_INLINE_VAR constexpr bool __fold_or_v = __fold_or<_Preds...>::value;
 #  define _CCCL_FOLD_OR(__pred)            (__pred || ...)
 #  define _CCCL_FOLD_PLUS(__init, __args)  (__args + ... + __init)
 #  define _CCCL_FOLD_TIMES(__init, __args) (__args * ... * __init)
-
-#else // ^^^ _CCCL_STD_VER >= 2017 ^^^ / vvv _CCCL_STD_VER <= 2014 vvv
-
-template <class _Tp>
-_LIBCUDACXX_HIDE_FROM_ABI constexpr _Tp __variadic_sum(_Tp __init) noexcept
-{
-  return __init;
-}
-
-template <class _Tp, class... _Args>
-_LIBCUDACXX_HIDE_FROM_ABI constexpr _Tp __variadic_sum(_Tp __init, _Args... __args)
-{
-  const _Tp __arr[sizeof...(_Args)] = {static_cast<_Tp>(__args)...};
-  for (size_t __i = 0; __i < sizeof...(_Args); ++__i)
-  {
-    __init += __arr[__i];
-  }
-  return __init;
-}
-
-template <class _Tp>
-_LIBCUDACXX_HIDE_FROM_ABI constexpr _Tp __variadic_times(_Tp __init) noexcept
-{
-  return __init;
-}
-
-template <class _Tp, class... _Args>
-_LIBCUDACXX_HIDE_FROM_ABI constexpr _Tp __variadic_times(_Tp __init, _Args... __args)
-{
-  const _Tp __arr[sizeof...(_Args)] = {static_cast<_Tp>(__args)...};
-  for (size_t __i = 0; __i < sizeof...(_Args); ++__i)
-  {
-    __init *= __arr[__i];
-  }
-  return __init;
-}
-
-_LIBCUDACXX_HIDE_FROM_ABI constexpr bool __variadic_and() noexcept
-{
-  return true;
-}
-
-template <class... _Args>
-_LIBCUDACXX_HIDE_FROM_ABI constexpr bool __variadic_and(_Args... __args)
-{
-  const bool __arr[sizeof...(_Args)] = {static_cast<bool>(__args)...};
-  for (size_t __i = 0; __i < sizeof...(_Args); ++__i)
-  {
-    if (!__arr[__i])
-    {
-      return false;
-    }
-  }
-  return true;
-}
-
-_LIBCUDACXX_HIDE_FROM_ABI constexpr bool __variadic_or() noexcept
-{
-  return false;
-}
-
-template <class... _Args>
-_LIBCUDACXX_HIDE_FROM_ABI constexpr bool __variadic_or(_Args... __args)
-{
-  const bool __arr[sizeof...(_Args)] = {static_cast<bool>(__args)...};
-  for (size_t __i = 0; __i < sizeof...(_Args); ++__i)
-  {
-    if (__arr[__i])
-    {
-      return true;
-    }
-  }
-  return false;
-}
-
-#  define _CCCL_FOLD_AND(__pred)           _CUDA_VSTD::__variadic_and(__pred...)
-#  define _CCCL_FOLD_OR(__pred)            _CUDA_VSTD::__variadic_or(__pred...)
-#  define _CCCL_FOLD_PLUS(__init, __args)  _CUDA_VSTD::__variadic_sum(__init, __args...)
-#  define _CCCL_FOLD_TIMES(__init, __args) _CUDA_VSTD::__variadic_times(__init, __args...)
-
-#endif // _CCCL_STD_VER <= 2014
+#endif // _CCCL_STD_VER >= 2017
 
 _LIBCUDACXX_END_NAMESPACE_STD