mirror of
https://github.com/triqs/dft_tools
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86 lines
3.8 KiB
C++
86 lines
3.8 KiB
C++
/*******************************************************************************
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*
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* TRIQS: a Toolbox for Research in Interacting Quantum Systems
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*
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* Copyright (C) 2012 by O. Parcollet
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*
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* TRIQS is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* TRIQS. If not, see <http://www.gnu.org/licenses/>.
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*
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******************************************************************************/
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#ifndef TRIQS_ARRAYS_IMPL_TRAITS_H
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#define TRIQS_ARRAYS_IMPL_TRAITS_H
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#include <boost/mpl/or.hpp>
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#include <boost/mpl/and.hpp>
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#include <boost/mpl/not.hpp>
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#include <boost/concept_check.hpp>
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#include <triqs/utility/concept_tools.hpp>
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namespace triqs { namespace arrays {
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namespace mpl=boost::mpl;
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// The ImmutableArray concept
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TRIQS_DEFINE_CONCEPT_AND_ASSOCIATED_TRAIT(ImmutableArray);
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TRIQS_DEFINE_CONCEPT_AND_ASSOCIATED_TRAIT_R(MutableArray,(ImmutableArray));
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/*template <class X> struct BCC_ImmutableArray {
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BOOST_CONCEPT_USAGE(BCC_ImmutableArray)
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{
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typename X::mc_weight_type r = i.Try(); // this is e.g. for a QMC move
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r = i.Accept();
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i.Reject();
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}
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private: X i;
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};
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*/
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// The ImmutableCuboidArray concept
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TRIQS_DEFINE_CONCEPT_AND_ASSOCIATED_TRAIT_R(ImmutableCuboidArray,(ImmutableArray));
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TRIQS_DEFINE_CONCEPT_AND_ASSOCIATED_TRAIT_R(MutableCuboidArray,(ImmutableCuboidArray)(MutableArray));
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// The ImmutableMatrix concept
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TRIQS_DEFINE_CONCEPT_AND_ASSOCIATED_TRAIT_R(ImmutableMatrix,(ImmutableArray));
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TRIQS_DEFINE_CONCEPT_AND_ASSOCIATED_TRAIT_R(MutableMatrix,(ImmutableMatrix)(MutableArray));
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// The ImmutableVector concept
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TRIQS_DEFINE_CONCEPT_AND_ASSOCIATED_TRAIT_R(ImmutableVector,(ImmutableArray));
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TRIQS_DEFINE_CONCEPT_AND_ASSOCIATED_TRAIT_R(MutableVector,(ImmutableVector)(MutableArray));
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namespace Tag { struct array{}; struct array_view {}; }
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template <typename T> struct is_array : std::is_base_of<Tag::array,T> {};
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template <typename T> struct is_array_view : std::is_base_of<Tag::array_view,T> {};
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template <typename T> struct is_array_or_view : boost::mpl::or_< is_array<T>, is_array_view<T> > {};
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namespace Tag { struct vector{}; struct vector_view {};}
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template <typename T> struct is_vector : std::is_base_of<Tag::vector,T> {};
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template <typename T> struct is_vector_view : std::is_base_of<Tag::vector_view,T> {};
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template <typename T> struct is_vector_or_view : boost::mpl::or_< is_vector<T>, is_vector_view<T> > {};
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namespace Tag { struct matrix_view {}; struct matrix {}; }
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template <typename T> struct is_matrix : std::is_base_of<Tag::matrix,T> {};
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template <typename T> struct is_matrix_view : std::is_base_of<Tag::matrix_view,T> {};
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template <typename T> struct is_matrix_or_view : boost::mpl::or_< is_matrix<T>, is_matrix_view<T> > {};
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template <class T> struct is_amv_value_class : boost::mpl::or_< is_array<T>, is_matrix<T>, is_vector<T> > {};
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template <class T> struct is_amv_view_class : boost::mpl::or_< is_array_view<T>, is_matrix_view<T>, is_vector_view<T> > {};
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template <class T> struct is_amv_value_or_view_class : boost::mpl::or_< is_amv_value_class<T>, is_amv_view_class<T> > {};
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template <class S> struct is_scalar : boost::mpl::or_<std::is_arithmetic<S > , boost::is_complex<S> > {};
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template<class S, class A> struct is_scalar_for :
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boost::mpl::if_<is_scalar<typename A::value_type > , is_scalar<S>,boost::is_same<S,typename A::value_type > >::type {};
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}}//namespace triqs::arrays
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#endif
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