Added boost header

test/external/boost/icl/concept/interval_bounds.hpp

@@ -0,0 +1,157 @@
+/*-----------------------------------------------------------------------------+
+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_CONCEPT_INTERVAL_BOUNDS_HPP_JOFA_100927
+#define BOOST_ICL_CONCEPT_INTERVAL_BOUNDS_HPP_JOFA_100927
+
+#include <boost/icl/interval_bounds.hpp>
+#include <boost/icl/type_traits/is_discrete.hpp>
+#include <boost/icl/type_traits/is_numeric.hpp>
+
+namespace boost{namespace icl
+{
+
+inline interval_bounds left(interval_bounds x1)
+{ return interval_bounds(x1._bits & interval_bounds::_left); }
+
+inline interval_bounds right(interval_bounds x1)
+{ return interval_bounds(x1._bits & interval_bounds::_right); }
+
+inline interval_bounds all(interval_bounds x1)
+{ return interval_bounds(x1._bits & interval_bounds::_all); }
+
+inline bool operator == (const interval_bounds x1, const interval_bounds x2)
+{ return x1._bits == x2._bits; }
+
+inline bool operator != (const interval_bounds x1, const interval_bounds x2)
+{ return x1._bits != x2._bits; }
+
+inline interval_bounds operator & (interval_bounds x1, interval_bounds x2)
+{ return interval_bounds(x1._bits & x2._bits); }
+
+inline interval_bounds operator | (interval_bounds x1, interval_bounds x2)
+{ return interval_bounds(x1._bits | x2._bits); }
+
+// left shift (multiplies by 2^shift)
+inline interval_bounds operator << (interval_bounds bounds, unsigned int shift)
+{ return interval_bounds(bounds._bits << shift); }
+
+// right shift (divides by 2^shift)
+inline interval_bounds operator >> (interval_bounds bounds, unsigned int shift)
+{ return interval_bounds(bounds._bits >> shift); }
+
+inline interval_bounds operator ~ (interval_bounds x1)
+{ return all(interval_bounds(~(x1._bits))); }
+
+inline interval_bounds outer_bounds(interval_bounds x1, interval_bounds x2)
+{ return left(x1) | right(x2); }
+
+inline interval_bounds inner_bounds(interval_bounds x1, interval_bounds x2)
+{ return interval_bounds(x1.reverse_right() | x2.reverse_left()); }
+
+inline interval_bounds left_bounds(interval_bounds x1, interval_bounds x2)
+{ return left(x1) | (left(x2) >> 1); }
+
+inline interval_bounds right_bounds(interval_bounds x1, interval_bounds x2)
+{ return (right(x1) <<1 ) | right(x2); }
+
+inline interval_bounds left_subtract_bounds(interval_bounds x1, interval_bounds x2)
+{ return right(x1) | ~(right(x2) << 1); }
+
+inline interval_bounds right_subtract_bounds(interval_bounds x1, interval_bounds x2)
+{ return left(x1) | ~(left(x2) >> 1); }
+
+inline bool is_complementary(interval_bounds x1)
+{ return x1 == interval_bounds::right_open() || x1 == interval_bounds::left_open(); }
+
+inline bool is_left_closed(interval_bounds bounds)
+{ return bounds.left().bits()==2; }
+
+inline bool is_right_closed(interval_bounds bounds)
+{ return bounds.right().bits()==1; }
+
+inline std::string left_bracket(interval_bounds bounds)
+{ return is_left_closed(bounds) ? "[" : "("; }
+
+inline std::string right_bracket(interval_bounds bounds)
+{ return is_right_closed(bounds) ? "]" : ")"; }
+
+template <class Type>
+inline typename enable_if<is_discrete<Type>, Type>::type
+shift_lower(interval_bounds decl, interval_bounds repr, const Type& low)
+{
+    if(is_left_closed(decl) && !is_left_closed(repr))
+        return icl::pred(low);
+    else if(!is_left_closed(decl) && is_left_closed(repr)) 
+        return icl::succ(low);
+    else 
+        return low;
+}
+
+template <class Type>
+inline typename enable_if<is_discrete<Type>, Type>::type
+shift_upper(interval_bounds decl, interval_bounds repr, const Type& up)
+{
+    if(!is_right_closed(decl) && is_right_closed(repr))
+        return icl::pred(up);
+    else if(is_right_closed(decl) && !is_right_closed(repr)) 
+        return icl::succ(up);
+    else 
+        return up;
+}
+
+template<class CharType, class CharTraits>
+std::basic_ostream<CharType, CharTraits>& operator <<
+  (std::basic_ostream<CharType, CharTraits> &stream, 
+   interval_bounds const& object)
+{
+    return stream << left_bracket(object) << right_bracket(object);
+}
+
+
+
+template<class IntervalT>
+inline typename 
+boost::enable_if<has_dynamic_bounds<IntervalT>, interval_bounds>::type
+outer_bounds(const IntervalT& x1, const IntervalT& x2)
+{ return outer_bounds(x1.bounds(), x2.bounds()); }
+
+template<class IntervalT>
+inline typename 
+boost::enable_if<has_dynamic_bounds<IntervalT>, interval_bounds>::type
+inner_bounds(const IntervalT& x1, const IntervalT& x2)
+{ return inner_bounds(x1.bounds(), x2.bounds()); }
+
+template<class IntervalT>
+inline typename 
+boost::enable_if<has_dynamic_bounds<IntervalT>, interval_bounds>::type
+left_bounds(const IntervalT& x1, const IntervalT& x2)
+{ return left_bounds(x1.bounds(), x2.bounds()); }
+
+template<class IntervalT>
+inline typename 
+boost::enable_if<has_dynamic_bounds<IntervalT>, interval_bounds>::type
+right_bounds(const IntervalT& x1, const IntervalT& x2)
+{ return right_bounds(x1.bounds(), x2.bounds()); }
+
+template<class IntervalT>
+inline typename 
+boost::enable_if<has_dynamic_bounds<IntervalT>, interval_bounds>::type
+left_subtract_bounds(const IntervalT& x1, const IntervalT& x2)
+{ return left_subtract_bounds(x1.bounds(), x2.bounds()); }
+
+template<class IntervalT>
+inline typename 
+boost::enable_if<has_dynamic_bounds<IntervalT>, interval_bounds>::type
+right_subtract_bounds(const IntervalT& x1, const IntervalT& x2)
+{ return right_subtract_bounds(x1.bounds(), x2.bounds()); }
+
+
+}} // namespace icl boost
+
+#endif
+