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#276: pipe: finish implementation across objgroup and collections
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,99 @@ | ||
| /* | ||
| //@HEADER | ||
| // ***************************************************************************** | ||
| // | ||
| // get_reduce_stamp.h | ||
| // DARMA/vt => Virtual Transport | ||
| // | ||
| // Copyright 2019-2021 National Technology & Engineering Solutions of Sandia, LLC | ||
| // (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S. | ||
| // Government retains certain rights in this software. | ||
| // | ||
| // Redistribution and use in source and binary forms, with or without | ||
| // modification, are permitted provided that the following conditions are met: | ||
| // | ||
| // * Redistributions of source code must retain the above copyright notice, | ||
| // this list of conditions and the following disclaimer. | ||
| // | ||
| // * Redistributions in binary form must reproduce the above copyright notice, | ||
| // this list of conditions and the following disclaimer in the documentation | ||
| // and/or other materials provided with the distribution. | ||
| // | ||
| // * Neither the name of the copyright holder nor the names of its | ||
| // contributors may be used to endorse or promote products derived from this | ||
| // software without specific prior written permission. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
| // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| // POSSIBILITY OF SUCH DAMAGE. | ||
| // | ||
| // Questions? Contact darma@sandia.gov | ||
| // | ||
| // ***************************************************************************** | ||
| //@HEADER | ||
| */ | ||
|
|
||
| #if !defined INCLUDED_VT_COLLECTIVE_REDUCE_GET_REDUCE_STAMP_H | ||
| #define INCLUDED_VT_COLLECTIVE_REDUCE_GET_REDUCE_STAMP_H | ||
|
|
||
| #include "vt/config.h" | ||
|
|
||
| namespace vt { namespace collective { namespace reduce { | ||
|
|
||
| template <typename enable = void, typename... Args> | ||
| struct GetReduceStamp : std::false_type { | ||
| template <typename MsgT> | ||
| static auto getMsg(Args&&... args) { | ||
| return vt::makeMessage<MsgT>(std::tuple{std::forward<Args>(args)...}); | ||
| } | ||
| }; | ||
|
|
||
| template <> | ||
| struct GetReduceStamp< | ||
| std::enable_if_t<std::is_same_v<void, void>> | ||
| > : std::false_type { | ||
| template <typename MsgT> | ||
| static auto getMsg() { | ||
| return vt::makeMessage<MsgT>(std::tuple<>{}); | ||
| } | ||
| }; | ||
|
|
||
| template <typename... Args> | ||
| struct GetReduceStamp< | ||
| std::enable_if_t< | ||
| std::is_same_v< | ||
| std::decay_t<std::tuple_element_t<sizeof...(Args) - 1, std::tuple<Args...>>>, | ||
| collective::reduce::ReduceStamp | ||
| > | ||
| >, | ||
| Args... | ||
| > : std::true_type { | ||
| template <typename... Params, std::size_t... Is> | ||
| static constexpr auto getMsgHelper( | ||
| std::tuple<Params...> tp, std::index_sequence<Is...> | ||
| ) { | ||
| return std::tuple{std::get<Is>(tp)...}; | ||
| } | ||
|
|
||
| template <typename MsgT> | ||
| static auto getMsg(Args&&... args) { | ||
| return vt::makeMessage<MsgT>( | ||
| getMsgHelper( | ||
| std::tie(std::forward<Args>(args)...), | ||
| std::make_index_sequence<sizeof...(Args) - 1>{} | ||
| ) | ||
| ); | ||
| } | ||
| }; | ||
|
|
||
| }}} /* end namespace vt::collective::reduce */ | ||
|
|
||
| #endif /*INCLUDED_VT_COLLECTIVE_REDUCE_GET_REDUCE_STAMP_H*/ |
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