comparison DEPENDENCIES/generic/include/boost/icl/discrete_interval.hpp @ 16:2665513ce2d3

Add boost headers

+/*-----------------------------------------------------------------------------+
+Copyright (c) 2010-2010: Joachim Faulhaber
++------------------------------------------------------------------------------+
+   Distributed under the Boost Software License, Version 1.0.
+      (See accompanying file LICENCE.txt or copy at
+           http://www.boost.org/LICENSE_1_0.txt)
++-----------------------------------------------------------------------------*/
+#ifndef BOOST_ICL_DISCRETE_INTERVAL_HPP_JOFA_100403
+#define BOOST_ICL_DISCRETE_INTERVAL_HPP_JOFA_100403
+
+#include <functional> 
+#include <boost/static_assert.hpp> 
+#include <boost/concept/assert.hpp>
+#include <boost/icl/detail/concept_check.hpp>
+#include <boost/icl/type_traits/succ_pred.hpp>
+#include <boost/icl/concept/interval.hpp>
+#include <boost/icl/type_traits/value_size.hpp>
+#include <boost/icl/type_traits/type_to_string.hpp>
+#include <boost/icl/type_traits/is_continuous.hpp>
+#include <boost/icl/type_traits/is_discrete_interval.hpp>
+#include <boost/icl/interval_bounds.hpp>
+
+namespace boost{namespace icl
+{
+
+template <class DomainT, 
+          ICL_COMPARE Compare = ICL_COMPARE_INSTANCE(ICL_COMPARE_DEFAULT, DomainT)>
+class discrete_interval
+{
+public:
+    typedef discrete_interval<DomainT,Compare> type;
+    typedef DomainT domain_type;
+    typedef ICL_COMPARE_DOMAIN(Compare,DomainT) domain_compare;
+    typedef typename bounded_value<DomainT>::type bounded_domain_type;
+
+public:
+    //==========================================================================
+    //= Construct, copy, destruct
+    //==========================================================================
+    /** Default constructor; yields an empty interval <tt>[0,0)</tt>. */
+    discrete_interval()
+        : _lwb(identity_element<DomainT>::value()), _upb(identity_element<DomainT>::value())
+        , _bounds(interval_bounds::right_open())
+    {
+        BOOST_CONCEPT_ASSERT((DefaultConstructibleConcept<DomainT>));
+        BOOST_CONCEPT_ASSERT((LessThanComparableConcept<DomainT>));
+        BOOST_STATIC_ASSERT((icl::is_discrete<DomainT>::value));
+    }
+
+    //NOTE: Compiler generated copy constructor is used
+
+    /** Constructor for a closed singleton interval <tt>[val,val]</tt> */
+    explicit discrete_interval(const DomainT& val)
+        : _lwb(val), _upb(val), _bounds(interval_bounds::closed())
+    {
+        BOOST_CONCEPT_ASSERT((DefaultConstructibleConcept<DomainT>));
+        BOOST_CONCEPT_ASSERT((LessThanComparableConcept<DomainT>));
+        BOOST_STATIC_ASSERT((icl::is_discrete<DomainT>::value));
+    }
+
+    /** Interval from <tt>low</tt> to <tt>up</tt> with bounds <tt>bounds</tt> */
+    discrete_interval(const DomainT& low, const DomainT& up, 
+                      interval_bounds bounds = interval_bounds::right_open(),
+                      discrete_interval* = 0)
+        : _lwb(low), _upb(up), _bounds(bounds)
+    {
+        BOOST_CONCEPT_ASSERT((DefaultConstructibleConcept<DomainT>));
+        BOOST_CONCEPT_ASSERT((LessThanComparableConcept<DomainT>));
+        BOOST_STATIC_ASSERT((icl::is_discrete<DomainT>::value));
+    }
+
+    domain_type     lower()const { return _lwb; }
+    domain_type     upper()const { return _upb; }
+    interval_bounds bounds()const{ return _bounds; }
+
+    static discrete_interval open      (const DomainT& lo, const DomainT& up){ return discrete_interval(lo, up, interval_bounds::open());      }
+    static discrete_interval right_open(const DomainT& lo, const DomainT& up){ return discrete_interval(lo, up, interval_bounds::right_open());}
+    static discrete_interval left_open (const DomainT& lo, const DomainT& up){ return discrete_interval(lo, up, interval_bounds::left_open()); }
+    static discrete_interval closed    (const DomainT& lo, const DomainT& up){ return discrete_interval(lo, up, interval_bounds::closed());    }
+
+private:
+    domain_type     _lwb;
+    domain_type     _upb;
+    interval_bounds _bounds;
+};
+
+//==============================================================================
+//=T discrete_interval -> concept intervals
+//==============================================================================
+template<class DomainT, ICL_COMPARE Compare>
+struct interval_traits< icl::discrete_interval<DomainT, Compare> >
+{
+    typedef interval_traits type;
+    typedef DomainT domain_type;
+    typedef ICL_COMPARE_DOMAIN(Compare,DomainT) domain_compare;
+    typedef icl::discrete_interval<DomainT, Compare> interval_type;
+
+    static interval_type construct(const domain_type& lo, const domain_type& up)
+    {
+        return interval_type(lo, up);
+    }
+
+    static domain_type lower(const interval_type& inter_val){ return inter_val.lower(); };
+    static domain_type upper(const interval_type& inter_val){ return inter_val.upper(); };
+};
+
+//==============================================================================
+//=T discrete_interval -> concept dynamic_interval_traits
+//==============================================================================
+template<class DomainT, ICL_COMPARE Compare>
+struct dynamic_interval_traits<boost::icl::discrete_interval<DomainT,Compare> >
+{
+    typedef dynamic_interval_traits type;
+    typedef boost::icl::discrete_interval<DomainT,Compare> interval_type;
+    typedef DomainT domain_type;
+    typedef ICL_COMPARE_DOMAIN(Compare,DomainT) domain_compare;
+
+    static interval_type construct(const domain_type& lo, const domain_type& up, interval_bounds bounds)
+    {
+        return interval_type(lo, up, bounds, static_cast<interval_type*>(0) );
+    }
+
+    static interval_type construct_bounded(const bounded_value<DomainT>& lo, 
+                                           const bounded_value<DomainT>& up)
+    {
+        return  interval_type
+                (
+                    lo.value(), up.value(),
+                    lo.bound().left() | up.bound().right(),
+                    static_cast<interval_type* >(0) 
+                );
+    }
+};
+
+//==============================================================================
+//= Type traits
+//==============================================================================
+template <class DomainT, ICL_COMPARE Compare> 
+struct interval_bound_type< discrete_interval<DomainT,Compare> >
+{
+    typedef interval_bound_type type;
+    BOOST_STATIC_CONSTANT(bound_type, value = interval_bounds::dynamic);
+};
+
+template <class DomainT, ICL_COMPARE Compare> 
+struct is_discrete_interval<discrete_interval<DomainT,Compare> >
+{
+    typedef is_discrete_interval<discrete_interval<DomainT,Compare> > type;
+    BOOST_STATIC_CONSTANT(bool, value = is_discrete<DomainT>::value);
+};
+
+template <class DomainT, ICL_COMPARE Compare>
+struct type_to_string<icl::discrete_interval<DomainT,Compare> >
+{
+    static std::string apply()
+    { return "dI<"+ type_to_string<DomainT>::apply() +">"; }
+};
+
+template<class DomainT> 
+struct value_size<icl::discrete_interval<DomainT> >
+{
+    static std::size_t apply(const icl::discrete_interval<DomainT>&) 
+    { return 2; }
+};
+
+}} // namespace icl boost
+
+#endif
+