| Jeff Thompson | a28eed8 | 2013-08-22 16:21:10 -0700 | [diff] [blame] | 1 | |
| 2 | #ifndef BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED |
| 3 | #define BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED |
| 4 | |
| 5 | // Copyright Aleksey Gurtovoy 2003-2004 |
| 6 | // |
| 7 | // Distributed under the Boost Software License, Version 1.0. |
| 8 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
| 10 | // |
| 11 | // See http://www.boost.org/libs/mpl for documentation. |
| 12 | |
| 13 | // $Id: numeric_cast_utils.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
| 14 | // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $ |
| 15 | // $Revision: 49267 $ |
| 16 | |
| 17 | #include <ndnboost/mpl/numeric_cast.hpp> |
| 18 | #include <ndnboost/mpl/apply_wrap.hpp> |
| 19 | #include <ndnboost/mpl/aux_/config/forwarding.hpp> |
| 20 | |
| 21 | namespace ndnboost { namespace mpl { namespace aux { |
| 22 | |
| 23 | template< |
| 24 | typename F |
| 25 | , typename Tag1 |
| 26 | , typename Tag2 |
| 27 | > |
| 28 | struct cast1st_impl |
| 29 | { |
| 30 | template< typename N1, typename N2 > struct apply |
| 31 | #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) |
| 32 | : apply_wrap2< |
| 33 | F |
| 34 | , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag1,Tag2>,N1 >::type |
| 35 | , N2 |
| 36 | > |
| 37 | { |
| 38 | #else |
| 39 | { |
| 40 | typedef typename apply_wrap2< |
| 41 | F |
| 42 | , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag1,Tag2>,N1 >::type |
| 43 | , N2 |
| 44 | >::type type; |
| 45 | #endif |
| 46 | }; |
| 47 | }; |
| 48 | |
| 49 | template< |
| 50 | typename F |
| 51 | , typename Tag1 |
| 52 | , typename Tag2 |
| 53 | > |
| 54 | struct cast2nd_impl |
| 55 | { |
| 56 | template< typename N1, typename N2 > struct apply |
| 57 | #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) |
| 58 | : apply_wrap2< |
| 59 | F |
| 60 | , N1 |
| 61 | , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag2,Tag1>,N2 >::type |
| 62 | > |
| 63 | { |
| 64 | #else |
| 65 | { |
| 66 | typedef typename apply_wrap2< |
| 67 | F |
| 68 | , N1 |
| 69 | , typename apply_wrap1< BOOST_MPL_AUX_NUMERIC_CAST<Tag2,Tag1>,N2 >::type |
| 70 | >::type type; |
| 71 | #endif |
| 72 | }; |
| 73 | }; |
| 74 | |
| 75 | }}} |
| 76 | |
| 77 | #endif // BOOST_MPL_AUX_NUMERIC_CAST_HPP_INCLUDED |