diff options
author | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-01-08 10:41:29 +0000 |
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committer | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2016-01-08 10:41:29 +0000 |
commit | d3280484c8faa248ac2834401272d8b53b6d1866 (patch) | |
tree | af694174aed0afec21a6e2c4fde2653d5f5e104e /src/common | |
parent | d91d9248c66451a765f58b6d03db2124b52c3ae2 (diff) | |
parent | de4811fa72c90b38357bbddec3d2ea5b282642b3 (diff) |
tbb branch merge. Link with Intel TBB for parallel programmation.
Reduce persistence UT timings.
Add parallel_rips_persistence compilatino and test.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/trunk@954 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 4623c6a0c31d2b9574e2bb33836261fc26a89555
Diffstat (limited to 'src/common')
-rw-r--r-- | src/common/include/gudhi/allocator.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/common/include/gudhi/allocator.h b/src/common/include/gudhi/allocator.h new file mode 100644 index 00000000..b825173b --- /dev/null +++ b/src/common/include/gudhi/allocator.h @@ -0,0 +1,55 @@ +/* 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 Saclay - Ile de France + * + * 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 GUDHI_ALLOCATOR_H_ +#define GUDHI_ALLOCATOR_H_ + +#include <memory> +#include <utility> + +namespace Gudhi { + +/** \private + * An allocator that can be used to build an uninitialized vector. + */ +template <class T, class Base = std::allocator<T>> +struct no_init_allocator : Base { + typedef std::allocator_traits<Base> Base_traits; + template <class U> struct rebind { + typedef no_init_allocator<U, typename Base_traits::template rebind_alloc<U>> other; + }; + + // Inherit constructors. + using Base::Base; + + // Do nothing: that's the whole point! + template<class P> + void construct(P*)noexcept{} + + template<class P, class...U> void construct(P*p, U&&...u){ + Base_traits::construct(*(Base*)this, p, std::forward<U>(u)...); + } +}; + +} // namespace Gudhi + +#endif // GUDHI_ALLOCATOR_H_ |