diff options
Diffstat (limited to 'contrib/src/boost/random/traits.hpp')
-rw-r--r-- | contrib/src/boost/random/traits.hpp | 214 |
1 files changed, 107 insertions, 107 deletions
diff --git a/contrib/src/boost/random/traits.hpp b/contrib/src/boost/random/traits.hpp index 971327b..975421a 100644 --- a/contrib/src/boost/random/traits.hpp +++ b/contrib/src/boost/random/traits.hpp @@ -1,107 +1,107 @@ -/* boost random/traits.hpp header file
- *
- * Copyright John Maddock 2015
- * 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)
- *
- * See http://www.boost.org for most recent version including documentation.
- *
- * These traits classes serve two purposes: they are designed to mostly
- * work out of the box for multiprecision types (ie number types that are
- * C++ class types and not integers or floats from type-traits point of view),
- * they are also a potential point of specialization for user-defined
- * number types.
- *
- * $Id$
- */
-
-#ifndef BOOST_RANDOM_TRAITS_HPP
-#define BOOST_RANDOM_TRAITS_HPP
-
-#include <boost/type_traits/is_signed.hpp>
-#include <boost/type_traits/is_integral.hpp>
-#include <boost/type_traits/make_unsigned.hpp>
-#include <boost/mpl/bool.hpp>
-#include <limits>
-
-namespace boost {
-namespace random {
-namespace traits {
- // \cond show_private
- template <class T, bool intrinsic>
- struct make_unsigned_imp
- {
- typedef typename boost::make_unsigned<T>::type type;
- };
- template <class T>
- struct make_unsigned_imp<T, false>
- {
- BOOST_STATIC_ASSERT(std::numeric_limits<T>::is_specialized);
- BOOST_STATIC_ASSERT(std::numeric_limits<T>::is_signed == false);
- BOOST_STATIC_ASSERT(std::numeric_limits<T>::is_integer == true);
- typedef T type;
- };
- // \endcond
- /** \brief Converts the argument type T to an unsigned type.
- *
- * This trait has a single member `type` which is the unsigned type corresponding to T.
- * Note that
- * if T is signed, then member `type` *should define a type with one more bit precision than T*. For built-in
- * types this trait defaults to `boost::make_unsigned<T>::type`. For user defined types it simply asserts that
- * the argument type T is an unsigned integer (using std::numeric_limits).
- * User defined specializations may be provided for other cases.
- */
- template <class T>
- struct make_unsigned
- // \cond show_private
- : public make_unsigned_imp < T, boost::is_integral<T>::value >
- // \endcond
- {};
- // \cond show_private
- template <class T, bool intrinsic>
- struct make_unsigned_or_unbounded_imp
- {
- typedef typename boost::make_unsigned<T>::type type;
- };
- template <class T>
- struct make_unsigned_or_unbounded_imp<T, false>
- {
- BOOST_STATIC_ASSERT(std::numeric_limits<T>::is_specialized);
- BOOST_STATIC_ASSERT((std::numeric_limits<T>::is_signed == false) || (std::numeric_limits<T>::is_bounded == false));
- BOOST_STATIC_ASSERT(std::numeric_limits<T>::is_integer == true);
- typedef T type;
- };
- // \endcond
- /** \brief Converts the argument type T to either an unsigned type or an unbounded integer type.
- *
- * This trait has a single member `type` which is either the unsigned type corresponding to T or an unbounded
- * integer type. This trait is used to generate types suitable for the calculation of a range: as a result
- * if T is signed, then member `type` *should define a type with one more bit precision than T*. For built-in
- * types this trait defaults to `boost::make_unsigned<T>::type`. For user defined types it simply asserts that
- * the argument type T is either an unbounded integer, or an unsigned one (using std::numeric_limits).
- * User defined specializations may be provided for other cases.
- */
- template <class T>
- struct make_unsigned_or_unbounded
- // \cond show_private
- : public make_unsigned_or_unbounded_imp < T, boost::is_integral<T>::value >
- // \endcond
- {};
- /** \brief Traits class that indicates whether type T is an integer
- */
- template <class T>
- struct is_integral
- : public mpl::bool_<boost::is_integral<T>::value || (std::numeric_limits<T>::is_integer)>
- {};
- /** \brief Traits class that indicates whether type T is a signed integer
- */
- template <class T> struct is_signed
- : public mpl::bool_ < boost::is_signed<T>::value || (std::numeric_limits<T>::is_specialized && std::numeric_limits<T>::is_integer && std::numeric_limits<T>::is_signed)>
- {};
-
-}
-}
-}
-
-#endif
+/* boost random/traits.hpp header file + * + * Copyright John Maddock 2015 + * 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) + * + * See http://www.boost.org for most recent version including documentation. + * + * These traits classes serve two purposes: they are designed to mostly + * work out of the box for multiprecision types (ie number types that are + * C++ class types and not integers or floats from type-traits point of view), + * they are also a potential point of specialization for user-defined + * number types. + * + * $Id$ + */ + +#ifndef BOOST_RANDOM_TRAITS_HPP +#define BOOST_RANDOM_TRAITS_HPP + +#include <boost/type_traits/is_signed.hpp> +#include <boost/type_traits/is_integral.hpp> +#include <boost/type_traits/make_unsigned.hpp> +#include <boost/mpl/bool.hpp> +#include <limits> + +namespace boost { +namespace random { +namespace traits { + // \cond show_private + template <class T, bool intrinsic> + struct make_unsigned_imp + { + typedef typename boost::make_unsigned<T>::type type; + }; + template <class T> + struct make_unsigned_imp<T, false> + { + BOOST_STATIC_ASSERT(std::numeric_limits<T>::is_specialized); + BOOST_STATIC_ASSERT(std::numeric_limits<T>::is_signed == false); + BOOST_STATIC_ASSERT(std::numeric_limits<T>::is_integer == true); + typedef T type; + }; + // \endcond + /** \brief Converts the argument type T to an unsigned type. + * + * This trait has a single member `type` which is the unsigned type corresponding to T. + * Note that + * if T is signed, then member `type` *should define a type with one more bit precision than T*. For built-in + * types this trait defaults to `boost::make_unsigned<T>::type`. For user defined types it simply asserts that + * the argument type T is an unsigned integer (using std::numeric_limits). + * User defined specializations may be provided for other cases. + */ + template <class T> + struct make_unsigned + // \cond show_private + : public make_unsigned_imp < T, boost::is_integral<T>::value > + // \endcond + {}; + // \cond show_private + template <class T, bool intrinsic> + struct make_unsigned_or_unbounded_imp + { + typedef typename boost::make_unsigned<T>::type type; + }; + template <class T> + struct make_unsigned_or_unbounded_imp<T, false> + { + BOOST_STATIC_ASSERT(std::numeric_limits<T>::is_specialized); + BOOST_STATIC_ASSERT((std::numeric_limits<T>::is_signed == false) || (std::numeric_limits<T>::is_bounded == false)); + BOOST_STATIC_ASSERT(std::numeric_limits<T>::is_integer == true); + typedef T type; + }; + // \endcond + /** \brief Converts the argument type T to either an unsigned type or an unbounded integer type. + * + * This trait has a single member `type` which is either the unsigned type corresponding to T or an unbounded + * integer type. This trait is used to generate types suitable for the calculation of a range: as a result + * if T is signed, then member `type` *should define a type with one more bit precision than T*. For built-in + * types this trait defaults to `boost::make_unsigned<T>::type`. For user defined types it simply asserts that + * the argument type T is either an unbounded integer, or an unsigned one (using std::numeric_limits). + * User defined specializations may be provided for other cases. + */ + template <class T> + struct make_unsigned_or_unbounded + // \cond show_private + : public make_unsigned_or_unbounded_imp < T, boost::is_integral<T>::value > + // \endcond + {}; + /** \brief Traits class that indicates whether type T is an integer + */ + template <class T> + struct is_integral + : public mpl::bool_<boost::is_integral<T>::value || (std::numeric_limits<T>::is_integer)> + {}; + /** \brief Traits class that indicates whether type T is a signed integer + */ + template <class T> struct is_signed + : public mpl::bool_ < boost::is_signed<T>::value || (std::numeric_limits<T>::is_specialized && std::numeric_limits<T>::is_integer && std::numeric_limits<T>::is_signed)> + {}; + +} +} +} + +#endif |