Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
14352 changed files with 3176737 additions and 0 deletions
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+
+//  (C) Copyright John Maddock 2007.
+//  Use, modification and distribution are 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).
+//
+//  See http://www.boost.org/libs/type_traits for most recent version including documentation.
+
+#ifndef BOOST_TT_MAKE_SIGNED_HPP_INCLUDED
+#define BOOST_TT_MAKE_SIGNED_HPP_INCLUDED
+
+#include <boost/type_traits/conditional.hpp>
+#include <boost/type_traits/is_integral.hpp>
+#include <boost/type_traits/is_signed.hpp>
+#include <boost/type_traits/is_unsigned.hpp>
+#include <boost/type_traits/is_enum.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/type_traits/remove_cv.hpp>
+#include <boost/type_traits/is_const.hpp>
+#include <boost/type_traits/is_volatile.hpp>
+#include <boost/type_traits/add_const.hpp>
+#include <boost/type_traits/add_volatile.hpp>
+#include <boost/static_assert.hpp>
+
+namespace boost {
+
+template <class T>
+struct make_signed
+{
+private:
+   BOOST_STATIC_ASSERT_MSG(( ::boost::is_integral<T>::value || ::boost::is_enum<T>::value), "The template argument to make_signed must be an integer or enum type.");
+   BOOST_STATIC_ASSERT_MSG(!(::boost::is_same<typename remove_cv<T>::type, bool>::value), "The template argument to make_signed must not be the type bool.");
+
+   typedef typename remove_cv<T>::type t_no_cv;
+   typedef typename conditional<
+      (::boost::is_signed<T>::value
+      && ::boost::is_integral<T>::value
+      && ! ::boost::is_same<t_no_cv, char>::value
+      && ! ::boost::is_same<t_no_cv, wchar_t>::value
+      && ! ::boost::is_same<t_no_cv, bool>::value),
+      T,
+      typename conditional<
+         (::boost::is_integral<T>::value
+         && ! ::boost::is_same<t_no_cv, char>::value
+         && ! ::boost::is_same<t_no_cv, wchar_t>::value
+         && ! ::boost::is_same<t_no_cv, bool>::value),
+         typename conditional<
+            is_same<t_no_cv, unsigned char>::value,
+            signed char,
+            typename conditional<
+               is_same<t_no_cv, unsigned short>::value,
+               signed short,
+               typename conditional<
+                  is_same<t_no_cv, unsigned int>::value,
+                  int,
+                  typename conditional<
+                     is_same<t_no_cv, unsigned long>::value,
+                     long,
+#if defined(BOOST_HAS_LONG_LONG)
+#ifdef BOOST_HAS_INT128
+                     typename conditional<
+                        sizeof(t_no_cv) == sizeof(boost::long_long_type), 
+                        boost::long_long_type, 
+                        boost::int128_type
+                     >::type
+#else
+                     boost::long_long_type
+#endif
+#elif defined(BOOST_HAS_MS_INT64)
+                     __int64
+#else
+                     long
+#endif
+                  >::type
+               >::type
+            >::type
+         >::type,
+         // Not a regular integer type:
+         typename conditional<
+            sizeof(t_no_cv) == sizeof(unsigned char),
+            signed char,
+            typename conditional<
+               sizeof(t_no_cv) == sizeof(unsigned short),
+               signed short,
+               typename conditional<
+                  sizeof(t_no_cv) == sizeof(unsigned int),
+                  int,
+                  typename conditional<
+                     sizeof(t_no_cv) == sizeof(unsigned long),
+                     long,
+#if defined(BOOST_HAS_LONG_LONG)
+#ifdef BOOST_HAS_INT128
+                     typename conditional<
+                        sizeof(t_no_cv) == sizeof(boost::long_long_type), 
+                        boost::long_long_type, 
+                        boost::int128_type
+                     >::type
+#else
+                     boost::long_long_type
+#endif
+#elif defined(BOOST_HAS_MS_INT64)
+                     __int64
+#else
+                     long
+#endif
+                  >::type
+               >::type
+            >::type
+         >::type
+      >::type
+   >::type base_integer_type;
+   
+   // Add back any const qualifier:
+   typedef typename conditional<
+      is_const<T>::value,
+      typename add_const<base_integer_type>::type,
+      base_integer_type
+   >::type const_base_integer_type;
+public:
+   // Add back any volatile qualifier:
+   typedef typename conditional<
+      is_volatile<T>::value,
+      typename add_volatile<const_base_integer_type>::type,
+      const_base_integer_type
+   >::type type;
+};
+
+} // namespace boost
+
+#endif // BOOST_TT_ADD_REFERENCE_HPP_INCLUDED
+