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bexpr.hh
1 // Copyright (C) 2007, 2009 EPITA Research and Development Laboratory (LRDE)
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25 
26 #ifndef MLN_METAL_BEXPR_HH
27 # define MLN_METAL_BEXPR_HH
28 
34 # include <mln/metal/bool.hh>
35 
36 
37 # define mlc_not( B ) mln::metal::not_< B >
38 # define mlc_and( B1, B2 ) mln::metal::and_< B1, B2 >
39 # define mlc_or( B1, B2 ) mln::metal::or_ < B1, B2 >
40 # define mlc_xor( B1, B2 ) mln::metal::xor_< B1, B2 >
41 
42 
43 namespace mln
44 {
45 
46  namespace metal
47  {
48 
50  template <typename B>
51  struct not_ : bool_<( ! B::value )>
52  {};
53 
54 
56  template <typename L, typename R>
57  struct and_ : bool_<( L::value && R::value )>
58  {};
59 
60 
62  template <typename L, typename R>
63  struct or_ : bool_<( L::value || R::value )>
64  {};
65 
66 
68  template <typename L, typename R>
69  struct xor_ : bool_<( L::value ^ R::value )>
70  {};
71 
72 
73  } // end of namespace mln::metal
74 
75 } // end of namespace mln
76 
77 
78 #endif // ! MLN_METAL_BEXPR_HH