Added boost header

test/external/boost/range/sub_range.hpp

@@ -0,0 +1,182 @@
+// Boost.Range library
+//
+//  Copyright Neil Groves 2009.
+//  Copyright Thorsten Ottosen 2003-2004. Use, modification and
+//  distribution is subject to the Boost Software License, Version
+//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+// For more information, see http://www.boost.org/libs/range/
+//
+
+#ifndef BOOST_RANGE_SUB_RANGE_HPP
+#define BOOST_RANGE_SUB_RANGE_HPP
+
+#include <boost/detail/workaround.hpp>
+
+#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1500)) 
+    #pragma warning( push )
+    #pragma warning( disable : 4996 )
+#endif
+
+#include <boost/range/config.hpp>
+#include <boost/range/iterator_range.hpp>
+#include <boost/range/value_type.hpp>
+#include <boost/range/size_type.hpp>
+#include <boost/range/difference_type.hpp>
+#include <boost/range/algorithm/equal.hpp>
+#include <boost/assert.hpp>
+#include <boost/type_traits/is_reference.hpp>
+#include <boost/type_traits/remove_reference.hpp>
+
+namespace boost
+{
+    
+    template< class ForwardRange > 
+    class sub_range : public iterator_range< BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type > 
+    {
+        typedef BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type iterator_t;
+        typedef iterator_range< iterator_t  > base;
+
+        typedef BOOST_DEDUCED_TYPENAME base::impl impl;
+    public:
+        typedef BOOST_DEDUCED_TYPENAME range_value<ForwardRange>::type            value_type;
+        typedef BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type         iterator;
+        typedef BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type   const_iterator;
+        typedef BOOST_DEDUCED_TYPENAME range_difference<ForwardRange>::type       difference_type;
+        typedef BOOST_DEDUCED_TYPENAME range_size<ForwardRange>::type             size_type;
+        typedef BOOST_DEDUCED_TYPENAME base::reference                            reference;
+        
+    public: // for return value of front/back
+        typedef BOOST_DEDUCED_TYPENAME 
+                boost::mpl::if_< boost::is_reference<reference>,
+                                 const BOOST_DEDUCED_TYPENAME boost::remove_reference<reference>::type&, 
+                                 reference >::type const_reference;
+
+    public:
+        sub_range() : base() 
+        { }
+        
+#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1500) ) 
+        sub_range( const sub_range& r ) 
+            : base( static_cast<const base&>( r ) )  
+        { }  
+#endif
+
+        template< class ForwardRange2 >
+        sub_range( ForwardRange2& r ) : 
+            
+#if BOOST_WORKAROUND(BOOST_INTEL_CXX_VERSION, <= 800 )
+            base( impl::adl_begin( r ), impl::adl_end( r ) )
+#else
+            base( r )
+#endif        
+        { }
+        
+        template< class ForwardRange2 >
+        sub_range( const ForwardRange2& r ) : 
+
+#if BOOST_WORKAROUND(BOOST_INTEL_CXX_VERSION, <= 800 )
+            base( impl::adl_begin( r ), impl::adl_end( r ) )
+#else
+            base( r )
+#endif                
+        { }
+
+        template< class Iter >
+        sub_range( Iter first, Iter last ) :
+            base( first, last )
+        { }
+        
+        template< class ForwardRange2 >
+        sub_range& operator=( ForwardRange2& r )
+        {
+            base::operator=( r );
+            return *this;
+        }
+
+        template< class ForwardRange2 >
+        sub_range& operator=( const ForwardRange2& r )
+        {
+            base::operator=( r );
+            return *this;
+        }   
+
+        sub_range& operator=( const sub_range& r )
+        {
+            base::operator=( static_cast<const base&>(r) );
+            return *this;            
+        }
+        
+    public:
+        
+        iterator        begin()          { return base::begin(); }
+        const_iterator  begin() const    { return base::begin(); }
+        iterator        end()            { return base::end();   }
+        const_iterator  end() const      { return base::end();   }
+        difference_type size() const     { return base::size();  }   
+
+        
+    public: // convenience
+        reference front()
+        {
+            return base::front();
+        }
+
+        const_reference front() const
+        {
+            return base::front();
+        }
+
+        reference back()
+        {
+            return base::back();
+        }
+
+        const_reference back() const
+        {
+            return base::back();
+        }
+
+        reference operator[]( difference_type sz )
+        {
+            return base::operator[](sz);
+        }
+
+        const_reference operator[]( difference_type sz ) const
+        {
+            return base::operator[](sz);
+        }
+
+    };
+
+    template< class ForwardRange, class ForwardRange2 >
+    inline bool operator==( const sub_range<ForwardRange>& l,
+                            const sub_range<ForwardRange2>& r )
+    {
+        return boost::equal( l, r );
+    }
+
+    template< class ForwardRange, class ForwardRange2 >
+    inline bool operator!=( const sub_range<ForwardRange>& l,
+                            const sub_range<ForwardRange2>& r )
+    {
+        return !boost::equal( l, r );
+    }
+
+    template< class ForwardRange, class ForwardRange2 >
+    inline bool operator<( const sub_range<ForwardRange>& l,
+                           const sub_range<ForwardRange2>& r )
+    {
+        return iterator_range_detail::less_than( l, r );
+    }
+
+
+} // namespace 'boost'
+
+#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1500)) 
+    #pragma warning( pop )
+#endif
+
+#endif
+