Added libs/mpl

[SVN r15384]

test/copy_backward_if.cpp

@@ -0,0 +1,43 @@
+//-----------------------------------------------------------------------------
+// boost mpl/test/copy_backward_if.cpp source file
+// See http://www.boost.org for updates, documentation, and revision history.
+//-----------------------------------------------------------------------------
+//
+// Copyright (c) 2000-02
+// Aleksey Gurtovoy
+//
+// Permission to use, copy, modify, distribute and sell this software
+// and its documentation for any purpose is hereby granted without fee, 
+// provided that the above copyright notice appears in all copies and 
+// that both the copyright notice and this permission notice appear in 
+// supporting documentation. No representations are made about the 
+// suitability of this software for any purpose. It is provided "as is" 
+// without express or implied warranty.
+
+#include "boost/mpl/copy_backward_if.hpp"
+#include "boost/mpl/list.hpp"
+#include "boost/mpl/push_front.hpp"
+#include "boost/mpl/size.hpp"
+#include "boost/mpl/equal.hpp"
+#include "boost/type_traits/is_float.hpp"
+#include "boost/static_assert.hpp"
+
+namespace mpl = boost::mpl;
+using mpl::_;
+
+int main()
+{
+    typedef mpl::list<int,float,long,float,char,long,double,double>::type types;
+    typedef mpl::list<float,float,double,double>::type float_types;
+    typedef mpl::copy_backward_if<
+          types
+        , mpl::list0<>
+        , mpl::push_front<_,_>
+        , boost::is_float<_>
+        >::type result;
+
+    BOOST_STATIC_ASSERT(mpl::size<result>::value == 4);
+    BOOST_STATIC_ASSERT((mpl::equal<result,result>::type::value));
+
+    return 0;
+}