derek.holloway
7502bf64a4
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190 lines
7.7 KiB
C
190 lines
7.7 KiB
C
/*
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* Copyright 2020 NVIDIA Corporation
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* Modifications Copyright (c) 2024-2025, Advanced Micro Devices, Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*! \file cpp_dialect.h
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* \brief Detect the version of the C++ standard used by the compiler.
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*/
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#pragma once
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#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
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# pragma GCC system_header
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#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
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# pragma clang system_header
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#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
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# pragma system_header
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#endif // no system header
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#include <thrust/detail/config/compiler.h> // IWYU pragma: export
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// Deprecation warnings may be silenced by defining the following macros. These
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// may be combined.
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// - THRUST_IGNORE_DEPRECATED_CPP_DIALECT:
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// Ignore all deprecated C++ dialects and outdated compilers.
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// - THRUST_IGNORE_DEPRECATED_CPP_11:
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// Ignore deprecation warnings when compiling with C++11. C++03 and outdated
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// compilers will still issue warnings.
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// - THRUST_IGNORE_DEPRECATED_CPP_14:
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// Ignore deprecation warnings when compiling with C++14. C++03 and outdated
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// compilers will still issue warnings.
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// - THRUST_IGNORE_DEPRECATED_COMPILER
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// Ignore deprecation warnings when using deprecated compilers. Compiling
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// with C++03, C++11 and C++14 will still issue warnings.
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// Define this to override the built-in detection.
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#ifndef THRUST_CPP_DIALECT
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// MSVC does not define __cplusplus correctly. _MSVC_LANG is used instead.
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// This macro is only defined in MSVC 2015U3+.
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# if defined(_MSVC_LANG) && !defined(__HIP__) // Do not replace with THRUST_HOST_COMPILER test (see above)
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// MSVC2015 reports C++14 but lacks extended constexpr support. Treat as C++11.
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# if THRUST_MSVC_VERSION < 1910 && _MSVC_LANG > 201103L /* MSVC < 2017 && CPP > 2011 */
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# define THRUST_CPLUSPLUS 201103L /* Fix to 2011 */
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# elif _MSVC_LANG <= 201103L
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# define THRUST_CPLUSPLUS 201103L
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# elif _MSVC_LANG > 202002L
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# define THRUST_CPLUSPLUS 202302L
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# else
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# define THRUST_CPLUSPLUS _MSVC_LANG /* We'll trust this for now. */
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# endif // MSVC 2015 C++14 fix
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# else
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# define THRUST_CPLUSPLUS __cplusplus
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# endif
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// Detect current dialect:
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# if THRUST_CPLUSPLUS <= 199711L
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# define THRUST_CPP_DIALECT 2003
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# elif THRUST_CPLUSPLUS <= 201103L
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# define THRUST_CPP_DIALECT 2011
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# elif THRUST_CPLUSPLUS <= 201402L
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# define THRUST_CPP_DIALECT 2014
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# elif THRUST_CPLUSPLUS <= 201703L
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# define THRUST_CPP_DIALECT 2017
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# elif THRUST_CPLUSPLUS <= 202002L
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# define THRUST_CPP_DIALECT 2020
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# elif THRUST_CPLUSPLUS <= 202302L
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# define THRUST_CPP_DIALECT 2023
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# else
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# define THRUST_CPP_DIALECT 2024 // current year, or date of c++2c ratification
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# endif
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# undef THRUST_CPLUSPLUS // cleanup
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#endif // !THRUST_CPP_DIALECT
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// Macros to suppress deprecation compiler warnings, from "deprecated.h"
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// TODO: These macros start with `LIBCUDACXX`. So, when libhipcxx is
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// available in this scope, we should remove these macros and use the ones
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// from libhipcxx.
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// Check for deprecation opt-outs
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#if defined(LIBCUDACXX_IGNORE_DEPRECATED_CPP_DIALECT) || defined(CCCL_IGNORE_DEPRECATED_CPP_DIALECT) \
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|| defined(CUB_IGNORE_DEPRECATED_CPP_DIALECT)
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# if !defined(THRUST_IGNORE_DEPRECATED_CPP_DIALECT)
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# define THRUST_IGNORE_DEPRECATED_CPP_DIALECT
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# endif
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#endif // suppress all dialect deprecation warnings
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#if defined(LIBCUDACXX_IGNORE_DEPRECATED_CPP_14) || defined(CCCL_IGNORE_DEPRECATED_CPP_14) \
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|| defined(CUB_IGNORE_DEPRECATED_CPP_14) || defined(THRUST_IGNORE_DEPRECATED_CPP_DIALECT)
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# if !defined(THRUST_IGNORE_DEPRECATED_CPP_14)
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# define THRUST_IGNORE_DEPRECATED_CPP_14
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# endif
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#endif // suppress all c++14 dialect deprecation warnings
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#if defined(LIBCUDACXX_IGNORE_DEPRECATED_CPP_11) || defined(CCCL_IGNORE_DEPRECATED_CPP_11) \
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|| defined(CUB_IGNORE_DEPRECATED_CPP_11) || defined(THRUST_IGNORE_DEPRECATED_CPP_DIALECT) \
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|| defined(THRUST_IGNORE_DEPRECATED_CPP_14)
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# if !defined(THRUST_IGNORE_DEPRECATED_CPP_11)
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# define THRUST_IGNORE_DEPRECATED_CPP_11
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# endif
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#endif // suppress all c++11 dialect deprecation warnings
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#if defined(LIBCUDACXX_IGNORE_DEPRECATED_COMPILER) || defined(CCCL_IGNORE_DEPRECATED_COMPILER) \
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|| defined(CUB_IGNORE_DEPRECATED_COMPILER) || defined(THRUST_IGNORE_DEPRECATED_CPP_DIALECT) \
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|| defined(THRUST_IGNORE_DEPRECATED_CPP_14) || defined(THRUST_IGNORE_DEPRECATED_CPP_11)
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# if !defined(THRUST_IGNORE_DEPRECATED_COMPILER)
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# define THRUST_IGNORE_DEPRECATED_COMPILER
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# endif
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#endif // suppress all compiler deprecation warnings
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// Constexpr feature macros:
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#if THRUST_CPP_DIALECT >= 2023
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# define THRUST_CONSTEXPR_SINCE_CXX23 constexpr
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#else
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# define THRUST_CONSTEXPR_SINCE_CXX23
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#endif
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#if THRUST_CPP_DIALECT >= 2020
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# define THRUST_CONSTEXPR_SINCE_CXX20 constexpr
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#else
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# define THRUST_CONSTEXPR_SINCE_CXX20
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#endif
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#if THRUST_CPP_DIALECT >= 2017
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# define THRUST_CONSTEXPR_SINCE_CXX17 constexpr
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#else
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# define THRUST_CONSTEXPR_SINCE_CXX17
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#endif
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// Define THRUST_COMPILER_DEPRECATION macro:
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#if THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_MSVC || THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_NVRTC
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# define THRUST_COMP_DEPR_IMPL(msg) THRUST_PRAGMA(message(__FILE__ ":" THRUST_TO_STRING(__LINE__) ": warning: " #msg))
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#else // clang / gcc:
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# define THRUST_COMP_DEPR_IMPL(msg) THRUST_PRAGMA(GCC warning #msg)
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#endif
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// clang-format off
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#define THRUST_COMPILER_DEPRECATION(REQ) \
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THRUST_COMP_DEPR_IMPL(Thrust requires at least REQ. Define THRUST_IGNORE_DEPRECATED_COMPILER to suppress this message.)
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#define THRUST_COMPILER_DEPRECATION_SOFT(REQ, CUR) \
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THRUST_COMP_DEPR_IMPL( \
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Thrust requires at least REQ. CUR is deprecated but still supported. CUR support will be removed in a \
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future release. Define THRUST_IGNORE_DEPRECATED_CPP_DIALECT to suppress this message.)
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// clang-format on
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#ifndef THRUST_IGNORE_DEPRECATED_COMPILER
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// Compiler checks:
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# if THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_GCC && THRUST_GCC_VERSION < 50000
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THRUST_COMPILER_DEPRECATION(GCC 5.0);
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# elif THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_CLANG && THRUST_CLANG_VERSION < 70000
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THRUST_COMPILER_DEPRECATION(Clang 7.0);
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# elif THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_MSVC && THRUST_MSVC_VERSION < 1910
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// <2017. Hard upgrade message:
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THRUST_COMPILER_DEPRECATION(MSVC 2019(19.20 / 16.0 / 14.20));
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# elif THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_MSVC && THRUST_MSVC_VERSION < 1920
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// >=2017, <2019. Soft deprecation message:
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THRUST_COMPILER_DEPRECATION_SOFT(MSVC 2019(19.20 / 16.0 / 14.20), MSVC 2017);
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# endif
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#endif // THRUST_IGNORE_DEPRECATED_COMPILER
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#if THRUST_CPP_DIALECT < 2011
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// <C++11. Hard upgrade message:
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THRUST_COMPILER_DEPRECATION(C++ 17);
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#elif THRUST_CPP_DIALECT == 2011 && !defined(THRUST_IGNORE_DEPRECATED_CPP_11)
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// =C++11. Soft upgrade message:
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THRUST_COMPILER_DEPRECATION_SOFT(C++ 17, C++ 11);
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#elif THRUST_CPP_DIALECT == 2014 && !defined(THRUST_IGNORE_DEPRECATED_CPP_14)
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// =C++14. Soft upgrade message:
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THRUST_COMPILER_DEPRECATION_SOFT(C++ 17, C++ 14);
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#endif // THRUST_CPP_DIALECT < 2011
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#undef THRUST_COMPILER_DEPRECATION_SOFT
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#undef THRUST_COMPILER_DEPRECATION
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#undef THRUST_COMP_DEPR_IMPL
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#undef THRUST_COMP_DEPR_IMPL0
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#undef THRUST_COMP_DEPR_IMPL1
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