Squashed 'third_party/boostorg/type_traits/' content from commit 059ed88

Change-Id: I222c604dfa1db194bf53bc6aa1152fb16e83ce06
git-subtree-dir: third_party/boostorg/type_traits
git-subtree-split: 059ed8839da3fecd1e8b62cdc11be006f6346b5e
diff --git a/doc/is_floating_point.qbk b/doc/is_floating_point.qbk
new file mode 100644
index 0000000..22d4b0b
--- /dev/null
+++ b/doc/is_floating_point.qbk
@@ -0,0 +1,33 @@
+[/ 
+  Copyright 2007 John Maddock.
+  Distributed under 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).
+]
+
+[section:is_floating_point is_floating_point]
+   template <class T>
+   struct is_floating_point : public __tof {};
+  
+__inherit If T is a (possibly cv-qualified) floating point type then inherits from __true_type, 
+otherwise inherits from __false_type.
+
+__std_ref 3.9.1p8.
+
+[all_compilers]
+
+__header ` #include <boost/type_traits/is_floating_point.hpp>` or ` #include <boost/type_traits.hpp>`
+
+__examples
+
+[:`is_floating_point<float>` inherits from `__true_type`.]
+
+[:`is_floating_point<double>::type` is the type `__true_type`.]
+
+[:`is_floating_point<long double>::value` is an integral constant 
+expression that evaluates to /true/.]
+
+[:`is_floating_point<T>::value_type` is the type `bool`.]
+
+[endsect]
+