mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-21 04:11:50 +03:00
137 lines
6.0 KiB
C++
137 lines
6.0 KiB
C++
/*-----------------------------------------------------------------------------+
|
|
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_INTERVAL_HPP_JOFA_101014
|
|
#define BOOST_ICL_INTERVAL_HPP_JOFA_101014
|
|
|
|
|
|
#include <boost/icl/type_traits/interval_type_default.hpp>
|
|
|
|
|
|
namespace boost{ namespace icl
|
|
{
|
|
|
|
template <class IntervalT, bool IsDiscrete, bound_type PretendedBounds, bound_type RepresentedBounds>
|
|
struct static_interval;
|
|
|
|
template <class DomainT, ICL_COMPARE Compare = ICL_COMPARE_INSTANCE(ICL_COMPARE_DEFAULT, DomainT)>
|
|
struct interval
|
|
{
|
|
typedef typename interval_type_default<DomainT,Compare>::type interval_type;
|
|
typedef interval_type type;
|
|
|
|
#ifdef BOOST_ICL_USE_STATIC_BOUNDED_INTERVALS
|
|
|
|
static inline interval_type open(const DomainT& low, const DomainT& up)
|
|
{
|
|
return
|
|
static_interval
|
|
< interval_type // if the domain_type is discrete ...
|
|
, is_discrete<typename interval_traits<interval_type>::domain_type>::value
|
|
, interval_bounds::static_open // 'pretended' bounds will be transformed to
|
|
, interval_bound_type<interval_type>::value // the represented bounds
|
|
>
|
|
::construct(low, up);
|
|
}
|
|
|
|
static inline interval_type left_open(const DomainT& low, const DomainT& up)
|
|
{
|
|
return
|
|
static_interval
|
|
< interval_type
|
|
, is_discrete<typename interval_traits<interval_type>::domain_type>::value
|
|
, interval_bounds::static_left_open
|
|
, interval_bound_type<interval_type>::value
|
|
>
|
|
::construct(low, up);
|
|
}
|
|
|
|
static inline interval_type right_open(const DomainT& low, const DomainT& up)
|
|
{
|
|
return
|
|
static_interval
|
|
< interval_type
|
|
, is_discrete<typename interval_traits<interval_type>::domain_type>::value
|
|
, interval_bounds::static_right_open
|
|
, interval_bound_type<interval_type>::value
|
|
>
|
|
::construct(low, up);
|
|
}
|
|
|
|
static inline interval_type closed(const DomainT& low, const DomainT& up)
|
|
{
|
|
return
|
|
static_interval
|
|
< interval_type
|
|
, is_discrete<typename interval_traits<interval_type>::domain_type>::value
|
|
, interval_bounds::static_closed
|
|
, interval_bound_type<interval_type>::value
|
|
>
|
|
::construct(low, up);
|
|
}
|
|
|
|
static inline interval_type construct(const DomainT& low, const DomainT& up)
|
|
{ return icl::construct<interval_type>(low, up); }
|
|
|
|
#else // ICL_USE_DYNAMIC_INTERVAL_BORDER_DEFAULTS
|
|
static inline interval_type right_open(const DomainT& low, const DomainT& up)
|
|
{ return icl::construct<interval_type>(low, up, interval_bounds::right_open()); }
|
|
|
|
static inline interval_type left_open(const DomainT& low, const DomainT& up)
|
|
{ return icl::construct<interval_type>(low, up, interval_bounds::left_open()); }
|
|
|
|
static inline interval_type open(const DomainT& low, const DomainT& up)
|
|
{ return icl::construct<interval_type>(low, up, interval_bounds::open()); }
|
|
|
|
static inline interval_type closed(const DomainT& low, const DomainT& up)
|
|
{ return icl::construct<interval_type>(low, up, interval_bounds::closed()); }
|
|
|
|
static inline interval_type construct(const DomainT& low, const DomainT& up)
|
|
{ return icl::construct<interval_type>(low, up); }
|
|
|
|
#endif
|
|
};
|
|
|
|
template <class IntervalT, bound_type PretendedBounds, bound_type RepresentedBounds>
|
|
struct static_interval<IntervalT, true, PretendedBounds, RepresentedBounds>
|
|
{// is_discrete<domain_type<IntervalT>>
|
|
typedef typename interval_traits<IntervalT>::domain_type domain_type;
|
|
|
|
static inline IntervalT construct(const domain_type& low, const domain_type& up)
|
|
{
|
|
return icl::construct<IntervalT>(
|
|
shift_lower(interval_bounds(PretendedBounds), interval_bounds(RepresentedBounds), low)
|
|
, shift_upper(interval_bounds(PretendedBounds), interval_bounds(RepresentedBounds), up )
|
|
);
|
|
}
|
|
};
|
|
|
|
template <class IntervalT, bound_type PretendedBounds, bound_type RepresentedBounds>
|
|
struct static_interval<IntervalT, false, PretendedBounds, RepresentedBounds>
|
|
{// !is_discrete<domain_type<IntervalT>>
|
|
typedef typename interval_traits<IntervalT>::domain_type domain_type;
|
|
|
|
static inline IntervalT construct(const domain_type& low, const domain_type& up)
|
|
{
|
|
BOOST_STATIC_ASSERT((is_discrete<domain_type>::value || PretendedBounds==RepresentedBounds));
|
|
// For domain_types that are not discrete, e.g. interval<float>
|
|
// one of the following must hold: If you call
|
|
// interval<T>::right_open(x,y) then interval<T>::type must be static_right_open
|
|
// interval<T>::left_open(x,y) then interval<T>::type must be static_left_open
|
|
// interval<T>::open(x,y) then interval<T>::type must be static_open
|
|
// interval<T>::closed(x,y) then interval<T>::type must be static_closed
|
|
// Conversion between 'PretendedBounds' and 'RepresentedBounds' is only possible
|
|
// for discrete domain_types.
|
|
return icl::construct<IntervalT>(low, up);
|
|
}
|
|
};
|
|
|
|
}} // namespace boost icl
|
|
|
|
#endif // BOOST_ICL_INTERVAL_HPP_JOFA_101014
|
|
|