1 
2 // Copyright Aleksey Gurtovoy 2000-2004
3 //
4 // Distributed under the Boost Software License, Version 1.0.
5 // (See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt)
7 //
8 
9 // Preprocessed version of "boost/mpl/greater.hpp" header
10 // -- DO NOT modify by hand!
11 
12 namespace boost { namespace mpl {
13 
14 template<
15       typename Tag1
16     , typename Tag2
17     >
18 struct greater_impl
19     : if_c<
20           ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
21               > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
22             )
23 
24         , aux::cast2nd_impl< greater_impl< Tag1,Tag1 >,Tag1, Tag2 >
25         , aux::cast1st_impl< greater_impl< Tag2,Tag2 >,Tag1, Tag2 >
26         >::type
27 {
28 };
29 
30 /// for Digital Mars C++/compilers with no CTPS/TTP support
31 template<> struct greater_impl< na,na >
32 {
33     template< typename U1, typename U2 > struct apply
34     {
35         typedef apply type;
36         BOOST_STATIC_CONSTANT(int, value  = 0);
37     };
38 };
39 
40 template< typename Tag > struct greater_impl< na,Tag >
41 {
42     template< typename U1, typename U2 > struct apply
43     {
44         typedef apply type;
45         BOOST_STATIC_CONSTANT(int, value  = 0);
46     };
47 };
48 
49 template< typename Tag > struct greater_impl< Tag,na >
50 {
51     template< typename U1, typename U2 > struct apply
52     {
53         typedef apply type;
54         BOOST_STATIC_CONSTANT(int, value  = 0);
55     };
56 };
57 
58 template< typename T > struct greater_tag
59 {
60     typedef typename T::tag type;
61 };
62 
63 template<
64       typename BOOST_MPL_AUX_NA_PARAM(N1)
65     , typename BOOST_MPL_AUX_NA_PARAM(N2)
66     >
67 struct greater
68 
69     : greater_impl<
70           typename greater_tag<N1>::type
71         , typename greater_tag<N2>::type
72         >::template apply< N1,N2 >::type
73 {
74     BOOST_MPL_AUX_LAMBDA_SUPPORT(2, greater, (N1, N2))
75 
76 };
77 
78 BOOST_MPL_AUX_NA_SPEC2(2, 2, greater)
79 
80 }}
81 
82 namespace boost { namespace mpl {
83 
84 template<>
85 struct greater_impl< integral_c_tag,integral_c_tag >
86 {
87     template< typename N1, typename N2 > struct apply
88 
89     {
90         BOOST_STATIC_CONSTANT(bool, value =
91              ( BOOST_MPL_AUX_VALUE_WKND(N1)::value >
92              BOOST_MPL_AUX_VALUE_WKND(N2)::value )
93             );
94         typedef bool_<value> type;
95     };
96 };
97 
98 }}
99