annotate DEPENDENCIES/generic/include/boost/icl/detail/on_absorbtion.hpp @ 125:34e428693f5d vext

Vext -> Repoint
author Chris Cannam
date Thu, 14 Jun 2018 11:15:39 +0100
parents 2665513ce2d3
children
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Chris@16 1 /*-----------------------------------------------------------------------------+
Chris@16 2 Copyright (c) 2010-2010: Joachim Faulhaber
Chris@16 3 +------------------------------------------------------------------------------+
Chris@16 4 Distributed under the Boost Software License, Version 1.0.
Chris@16 5 (See accompanying file LICENCE.txt or copy at
Chris@16 6 http://www.boost.org/LICENSE_1_0.txt)
Chris@16 7 +-----------------------------------------------------------------------------*/
Chris@16 8 #ifndef BOOST_ICL_TYPE_TRAITS_ON_ABSORBTION_HPP_JOFA_100915
Chris@16 9 #define BOOST_ICL_TYPE_TRAITS_ON_ABSORBTION_HPP_JOFA_100915
Chris@16 10
Chris@16 11 namespace boost{ namespace icl
Chris@16 12 {
Chris@16 13
Chris@16 14 template<class Type, class Combiner, bool absorbs_identities>
Chris@16 15 struct on_absorbtion;
Chris@16 16
Chris@16 17 template<class Type, class Combiner>
Chris@16 18 struct on_absorbtion<Type, Combiner, false>
Chris@16 19 {
Chris@16 20 typedef on_absorbtion type;
Chris@16 21 typedef typename Type::codomain_type codomain_type;
Chris@16 22
Chris@16 23 static bool is_absorbable(const codomain_type&){ return false; }
Chris@16 24 };
Chris@16 25
Chris@16 26 template<class Type, class Combiner>
Chris@16 27 struct on_absorbtion<Type, Combiner, true>
Chris@16 28 {
Chris@16 29 typedef on_absorbtion type;
Chris@16 30 typedef typename Type::codomain_type codomain_type;
Chris@16 31 typedef typename Type::codomain_combine codomain_combine;
Chris@16 32
Chris@16 33 static bool is_absorbable(const codomain_type& co_value)
Chris@16 34 {
Chris@16 35 return co_value == Combiner::identity_element();
Chris@16 36 }
Chris@16 37 };
Chris@16 38
Chris@16 39 }} // namespace boost icl
Chris@16 40
Chris@16 41 #endif
Chris@16 42
Chris@16 43