preprocessed/no_ttp/modulus.hpp

0001
0002 // Copyright Aleksey Gurtovoy 2000-2004
0003 //
0004 // Distributed under the Boost Software License, Version 1.0.
0005 // (See accompanying file LICENSE_1_0.txt or copy at
0006 // http://www.boost.org/LICENSE_1_0.txt)
0007 //
0008
0009 // Preprocessed version of "boost/mpl/modulus.hpp" header
0010 // -- DO NOT modify by hand!
0011
0012 namespace boost { namespace mpl {
0013
0014 template<
0015       typename Tag1
0016     , typename Tag2
0017     >
0018 struct modulus_impl
0019     : if_c<
0020           ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
0021               > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
0022             )
0023
0024         , aux::cast2nd_impl< modulus_impl< Tag1,Tag1 >,Tag1, Tag2 >
0025         , aux::cast1st_impl< modulus_impl< Tag2,Tag2 >,Tag1, Tag2 >
0026         >::type
0027 {
0028 };
0029
0030 /// for Digital Mars C++/compilers with no CTPS/TTP support
0031 template<> struct modulus_impl< na,na >
0032 {
0033     template< typename U1, typename U2 > struct apply
0034     {
0035         typedef apply type;
0036         BOOST_STATIC_CONSTANT(int, value  = 0);
0037     };
0038 };
0039
0040 template< typename Tag > struct modulus_impl< na,Tag >
0041 {
0042     template< typename U1, typename U2 > struct apply
0043     {
0044         typedef apply type;
0045         BOOST_STATIC_CONSTANT(int, value  = 0);
0046     };
0047 };
0048
0049 template< typename Tag > struct modulus_impl< Tag,na >
0050 {
0051     template< typename U1, typename U2 > struct apply
0052     {
0053         typedef apply type;
0054         BOOST_STATIC_CONSTANT(int, value  = 0);
0055     };
0056 };
0057
0058 template< typename T > struct modulus_tag
0059 {
0060     typedef typename T::tag type;
0061 };
0062
0063 template<
0064       typename BOOST_MPL_AUX_NA_PARAM(N1)
0065     , typename BOOST_MPL_AUX_NA_PARAM(N2)
0066     >
0067 struct modulus
0068
0069     : modulus_impl<
0070           typename modulus_tag<N1>::type
0071         , typename modulus_tag<N2>::type
0072         >::template apply< N1,N2 >::type
0073 {
0074     BOOST_MPL_AUX_LAMBDA_SUPPORT(2, modulus, (N1, N2))
0075
0076 };
0077
0078 BOOST_MPL_AUX_NA_SPEC2(2, 2, modulus)
0079
0080 }}
0081
0082 namespace boost { namespace mpl {
0083
0084 namespace aux {
0085 template< typename T, T n1, T n2 >
0086 struct modulus_wknd
0087 {
0088     BOOST_STATIC_CONSTANT(T, value  = (n1 % n2));
0089     typedef integral_c< T,value > type;
0090 };
0091
0092 }
0093
0094 template<>
0095 struct modulus_impl< integral_c_tag,integral_c_tag >
0096 {
0097     template< typename N1, typename N2 > struct apply
0098         : aux::modulus_wknd<
0099               typename aux::largest_int<
0100                   typename N1::value_type
0101                 , typename N2::value_type
0102                 >::type
0103             , N1::value
0104             , N2::value
0105             >::type
0106
0107     {
0108     };
0109 };
0110
0111 }}