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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,18 @@ | ||
| --- | ||
| grand_parent: Standard API | ||
| parent: Numerics Library | ||
| nav_order: 3 | ||
| --- | ||
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| # `<cuda/std/numeric>` | ||
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| ## Omissions | ||
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| * Currently we do not expose any parallel algorithms. | ||
| * Saturation arithmetics have not been implemented yet | ||
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| ## Extensions | ||
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| * All features of `<numeric>` are made available in C++11 onwards | ||
| * All features of `<numeric>` are made constexpr in C++14 onwards | ||
| * Algorithms that return a value have been marked `[[nodiscard]]` |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,53 @@ | ||
| // -*- C++ -*- | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // Part of libcu++, the C++ Standard Library for your entire system, | ||
| // under the Apache License v2.0 with LLVM Exceptions. | ||
| // See https://llvm.org/LICENSE.txt for license information. | ||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
| // SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
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| #ifndef _LIBCUDACXX___NUMERIC_ACCUMULATE_H | ||
| #define _LIBCUDACXX___NUMERIC_ACCUMULATE_H | ||
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| #include <cuda/std/detail/__config> | ||
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| #if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC) | ||
| # pragma GCC system_header | ||
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG) | ||
| # pragma clang system_header | ||
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC) | ||
| # pragma system_header | ||
| #endif // no system header | ||
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| #include <cuda/std/__utility/move.h> | ||
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| _LIBCUDACXX_BEGIN_NAMESPACE_STD | ||
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| template <class _InputIterator, class _Tp> | ||
| _CCCL_NODISCARD _LIBCUDACXX_INLINE_VISIBILITY _CCCL_CONSTEXPR_CXX14 _Tp | ||
| accumulate(_InputIterator __first, _InputIterator __last, _Tp __init) | ||
| { | ||
| for (; __first != __last; ++__first) | ||
| { | ||
| __init = _CUDA_VSTD::move(__init) + *__first; | ||
| } | ||
| return __init; | ||
| } | ||
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| template <class _InputIterator, class _Tp, class _BinaryOperation> | ||
| _CCCL_NODISCARD _LIBCUDACXX_INLINE_VISIBILITY _CCCL_CONSTEXPR_CXX14 _Tp | ||
| accumulate(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOperation __binary_op) | ||
| { | ||
| for (; __first != __last; ++__first) | ||
| { | ||
| __init = __binary_op(_CUDA_VSTD::move(__init), *__first); | ||
| } | ||
| return __init; | ||
| } | ||
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| _LIBCUDACXX_END_NAMESPACE_STD | ||
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| #endif // _LIBCUDACXX___NUMERIC_ACCUMULATE_H |
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libcudacxx/include/cuda/std/__numeric/adjacent_difference.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| // -*- C++ -*- | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // Part of libcu++, the C++ Standard Library for your entire system, | ||
| // under the Apache License v2.0 with LLVM Exceptions. | ||
| // See https://llvm.org/LICENSE.txt for license information. | ||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
| // SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
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| #ifndef _LIBCUDACXX___NUMERIC_ADJACENT_DIFFERENCE_H | ||
| #define _LIBCUDACXX___NUMERIC_ADJACENT_DIFFERENCE_H | ||
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| #include <cuda/std/detail/__config> | ||
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| #if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC) | ||
| # pragma GCC system_header | ||
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG) | ||
| # pragma clang system_header | ||
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC) | ||
| # pragma system_header | ||
| #endif // no system header | ||
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| #include <cuda/std/__iterator/iterator_traits.h> | ||
| #include <cuda/std/__utility/move.h> | ||
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| _LIBCUDACXX_BEGIN_NAMESPACE_STD | ||
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| template <class _InputIterator, class _OutputIterator> | ||
| _LIBCUDACXX_INLINE_VISIBILITY _CCCL_CONSTEXPR_CXX14 _OutputIterator | ||
| adjacent_difference(_InputIterator __first, _InputIterator __last, _OutputIterator __result) | ||
| { | ||
| if (__first != __last) | ||
| { | ||
| typename iterator_traits<_InputIterator>::value_type __acc(*__first); | ||
| *__result = __acc; | ||
| for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result) | ||
| { | ||
| typename iterator_traits<_InputIterator>::value_type __val(*__first); | ||
| *__result = __val - _CUDA_VSTD::move(__acc); | ||
| __acc = _CUDA_VSTD::move(__val); | ||
| } | ||
| } | ||
| return __result; | ||
| } | ||
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| template <class _InputIterator, class _OutputIterator, class _BinaryOperation> | ||
| _LIBCUDACXX_INLINE_VISIBILITY _CCCL_CONSTEXPR_CXX14 _OutputIterator adjacent_difference( | ||
| _InputIterator __first, _InputIterator __last, _OutputIterator __result, _BinaryOperation __binary_op) | ||
| { | ||
| if (__first != __last) | ||
| { | ||
| typename iterator_traits<_InputIterator>::value_type __acc(*__first); | ||
| *__result = __acc; | ||
| for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result) | ||
| { | ||
| typename iterator_traits<_InputIterator>::value_type __val(*__first); | ||
| *__result = __binary_op(__val, _CUDA_VSTD::move(__acc)); | ||
| __acc = _CUDA_VSTD::move(__val); | ||
| } | ||
| } | ||
| return __result; | ||
| } | ||
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| _LIBCUDACXX_END_NAMESPACE_STD | ||
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| #endif // _LIBCUDACXX___NUMERIC_ADJACENT_DIFFERENCE_H |
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| // -*- C++ -*- | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // Part of libcu++, the C++ Standard Library for your entire system, | ||
| // under the Apache License v2.0 with LLVM Exceptions. | ||
| // See https://llvm.org/LICENSE.txt for license information. | ||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
| // SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
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| #ifndef _LIBCUDACXX___NUMERIC_EXCLUSIVE_SCAN_H | ||
| #define _LIBCUDACXX___NUMERIC_EXCLUSIVE_SCAN_H | ||
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| #include <cuda/std/detail/__config> | ||
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| #if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC) | ||
| # pragma GCC system_header | ||
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG) | ||
| # pragma clang system_header | ||
| #elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC) | ||
| # pragma system_header | ||
| #endif // no system header | ||
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| #include <cuda/std/__functional/operations.h> | ||
| #include <cuda/std/__utility/move.h> | ||
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| _LIBCUDACXX_BEGIN_NAMESPACE_STD | ||
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| template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp> | ||
| _LIBCUDACXX_INLINE_VISIBILITY _CCCL_CONSTEXPR_CXX14 _OutputIterator | ||
| exclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Tp __init, _BinaryOp __b) | ||
| { | ||
| if (__first != __last) | ||
| { | ||
| _Tp __tmp(__b(__init, *__first)); | ||
| while (true) | ||
| { | ||
| *__result = _CUDA_VSTD::move(__init); | ||
| ++__result; | ||
| ++__first; | ||
| if (__first == __last) | ||
| { | ||
| break; | ||
| } | ||
| __init = _CUDA_VSTD::move(__tmp); | ||
| __tmp = __b(__init, *__first); | ||
| } | ||
| } | ||
| return __result; | ||
| } | ||
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| template <class _InputIterator, class _OutputIterator, class _Tp> | ||
| _LIBCUDACXX_INLINE_VISIBILITY _CCCL_CONSTEXPR_CXX14 _OutputIterator | ||
| exclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Tp __init) | ||
| { | ||
| return _CUDA_VSTD::exclusive_scan(__first, __last, __result, __init, _CUDA_VSTD::plus<>()); | ||
| } | ||
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| _LIBCUDACXX_END_NAMESPACE_STD | ||
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| #endif // _LIBCUDACXX___NUMERIC_EXCLUSIVE_SCAN_H |
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