divides.hpp 3.1 KB

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  1. // Copyright Aleksey Gurtovoy 2000-2004
  2. //
  3. // Distributed under the Boost Software License, Version 1.0.
  4. // (See accompanying file LICENSE_1_0.txt or copy at
  5. // http://www.boost.org/LICENSE_1_0.txt)
  6. //
  7. // Preprocessed version of "boost/mpl/divides.hpp" header
  8. // -- DO NOT modify by hand!
  9. namespace boost { namespace mpl {
  10. template<
  11. typename Tag1
  12. , typename Tag2
  13. , BOOST_MPL_AUX_NTTP_DECL(int, tag1_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag1)::value
  14. , BOOST_MPL_AUX_NTTP_DECL(int, tag2_) = BOOST_MPL_AUX_MSVC_VALUE_WKND(Tag2)::value
  15. >
  16. struct divides_impl
  17. : if_c<
  18. ( tag1_ > tag2_ )
  19. , aux::cast2nd_impl< divides_impl< Tag1,Tag1 >,Tag1, Tag2 >
  20. , aux::cast1st_impl< divides_impl< Tag2,Tag2 >,Tag1, Tag2 >
  21. >::type
  22. {
  23. };
  24. /// for Digital Mars C++/compilers with no CTPS/TTP support
  25. template<> struct divides_impl< na,na >
  26. {
  27. template< typename U1, typename U2 > struct apply
  28. {
  29. typedef apply type;
  30. BOOST_STATIC_CONSTANT(int, value = 0);
  31. };
  32. };
  33. template<> struct divides_impl< na,integral_c_tag >
  34. {
  35. template< typename U1, typename U2 > struct apply
  36. {
  37. typedef apply type;
  38. BOOST_STATIC_CONSTANT(int, value = 0);
  39. };
  40. };
  41. template<> struct divides_impl< integral_c_tag,na >
  42. {
  43. template< typename U1, typename U2 > struct apply
  44. {
  45. typedef apply type;
  46. BOOST_STATIC_CONSTANT(int, value = 0);
  47. };
  48. };
  49. template< typename T > struct divides_tag
  50. : tag< T,na >
  51. {
  52. };
  53. /// forward declaration
  54. template<
  55. typename BOOST_MPL_AUX_NA_PARAM(N1)
  56. , typename BOOST_MPL_AUX_NA_PARAM(N2)
  57. >
  58. struct divides2;
  59. template<
  60. typename BOOST_MPL_AUX_NA_PARAM(N1)
  61. , typename BOOST_MPL_AUX_NA_PARAM(N2)
  62. , typename N3 = na, typename N4 = na, typename N5 = na
  63. >
  64. struct divides
  65. : aux::msvc_eti_base< typename if_<
  66. is_na<N3>
  67. , divides2< N1,N2 >
  68. , divides<
  69. divides2< N1,N2 >
  70. , N3, N4, N5
  71. >
  72. >::type
  73. >
  74. {
  75. BOOST_MPL_AUX_LAMBDA_SUPPORT(
  76. 5
  77. , divides
  78. , ( N1, N2, N3, N4, N5 )
  79. )
  80. };
  81. template<
  82. typename N1
  83. , typename N2
  84. >
  85. struct divides2
  86. : aux::msvc_eti_base< typename apply_wrap2<
  87. divides_impl<
  88. typename divides_tag<N1>::type
  89. , typename divides_tag<N2>::type
  90. >
  91. , N1
  92. , N2
  93. >::type >::type
  94. {
  95. BOOST_MPL_AUX_LAMBDA_SUPPORT(2, divides2, (N1, N2))
  96. };
  97. BOOST_MPL_AUX_NA_SPEC2(2, 5, divides)
  98. }}
  99. namespace boost { namespace mpl {
  100. namespace aux {
  101. template< typename T, T n1, T n2 >
  102. struct divides_wknd
  103. {
  104. BOOST_STATIC_CONSTANT(T, value = (n1 / n2));
  105. typedef integral_c< T,value > type;
  106. };
  107. }
  108. template<>
  109. struct divides_impl< integral_c_tag,integral_c_tag >
  110. {
  111. template< typename N1, typename N2 > struct apply
  112. : aux::divides_wknd<
  113. typename aux::largest_int<
  114. typename N1::value_type
  115. , typename N2::value_type
  116. >::type
  117. , N1::value
  118. , N2::value
  119. >::type
  120. {
  121. };
  122. };
  123. }}