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Diffstat (limited to 'include/gudhi/Simple_object_pool.h')
-rw-r--r-- | include/gudhi/Simple_object_pool.h | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/include/gudhi/Simple_object_pool.h b/include/gudhi/Simple_object_pool.h deleted file mode 100644 index 47283521..00000000 --- a/include/gudhi/Simple_object_pool.h +++ /dev/null @@ -1,81 +0,0 @@ -/* This file is part of the Gudhi Library. The Gudhi library - * (Geometric Understanding in Higher Dimensions) is a generic C++ - * library for computational topology. - * - * Author(s): Marc Glisse - * - * Copyright (C) 2015 Inria - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef SIMPLE_OBJECT_POOL_H_ -#define SIMPLE_OBJECT_POOL_H_ - -#include <boost/pool/pool.hpp> -#include <utility> - -namespace Gudhi { - -/** \private - * This is a simpler version of boost::object_pool, that requires - * that users explicitly destroy all objects. This lets the - * performance scale much better, see - * https://svn.boost.org/trac/boost/ticket/3789 . - */ -template <class T> -class Simple_object_pool : protected boost::pool<boost::default_user_allocator_malloc_free> { - protected: - typedef boost::pool<boost::default_user_allocator_malloc_free> Base; - typedef T* pointer; - - Base& base() { - return *this; - } - - Base const& base()const { - return *this; - } - - public: - typedef T element_type; - typedef boost::default_user_allocator_malloc_free user_allocator; - typedef typename Base::size_type size_type; - typedef typename Base::difference_type difference_type; - - template<class...U> - Simple_object_pool(U&&...u) : Base(sizeof (T), std::forward<U>(u)...) { } - - template<class...U> - pointer construct(U&&...u) { - void* p = base().malloc BOOST_PREVENT_MACRO_SUBSTITUTION(); - assert(p); - try { - new(p) T(std::forward<U>(u)...); - } catch (...) { - base().free BOOST_PREVENT_MACRO_SUBSTITUTION(p); - throw; - } - return static_cast<pointer> (p); - } - - void destroy(pointer p) { - p->~T(); - base().free BOOST_PREVENT_MACRO_SUBSTITUTION(p); - } -}; - -} // namespace Gudhi - -#endif // SIMPLE_OBJECT_POOL_H_ |