include/Alias.hpp

   1 #ifndef SCX_ALIAS_HPP
   2 #define SCX_ALIAS_HPP
   3
   4 // align
   5 #define SCX_ALIGN(d, a)     ( ( (int)(( (d)-1 )/(a)) + 1 ) * (a) )
   6 #define SCX_QALIGN(d, a)    ( ( (d) + ((a) - 1) ) & ~((a) - 1) )
   7
   8 // bit
   9 #define SCX_BIT(n)      ( 1 << (n) )
  10
  11 // len
  12 #define SCX_ARRAY_LEN(a)        (sizeof(a)/sizeof(a[0]))
  13
  14 // for
  15 #define SCX_FOR(index, begin, _end)                     \
  16     for (size_t index = begin, end = _end;              \
  17          index < end;                                   \
  18          ++index)
  19
  20 // for stl vector etc.
  21 #define foreach_linear(index, container)                \
  22     for (size_t index = 0;                              \
  23          index < (container).size();                    \
  24          ++index)
  25
  26 #define forrange_linear(index, begin, end)              \
  27     for (size_t index = begin;                          \
  28          index < end;                                   \
  29          ++index)
  30
  31 // for stl map etc.
  32 #define foreach_iterator(iter_t, iter, container)       \
  33     for (iter_t iter = container.begin();               \
  34          iter < container.end();                        \
  35          ++iter)
  36
  37 #define forrange_iterator(iter_t, iter, begin, end)     \
  38     for (iter_t iter = begin;                           \
  39          iter != end;                                   \
  40          ++iter)
  41 #endif