Source/External/google/sparsehash/hash_fun.h

   1
   2 #ifndef _HASH_FUN_H_
   3 #define _HASH_FUN_H_
   4
   5 #ifndef HASH_NAMESPACE
   6 #define HASH_NAMESPACE osg_hash
   7 #endif
   8
   9 namespace osg_hash
  10 {
  11 template <class KeyT>
  12 struct hash {};
  13
  14
  15 #ifndef WIN32
  16
  17 template <>
  18 struct hash<OSG::Int16>
  19 {
  20     size_t operator()(OSG::Int16 __x) const
  21     {
  22         return static_cast<size_t>(__x);
  23     }
  24 };
  25
  26 template <>
  27 struct hash<OSG::UInt16>
  28 {
  29     size_t operator()(OSG::UInt16 __x) const
  30     {
  31         return static_cast<size_t>(__x);
  32     }
  33 };
  34
  35 #else
  36
  37 template <>
  38 struct hash<SHORT>
  39 {
  40     size_t operator()(SHORT __x) const
  41     {
  42         return static_cast<size_t>(__x);
  43     }
  44 };
  45
  46
  47 template <>
  48 struct hash<USHORT>
  49 {
  50     size_t operator()(USHORT __x) const
  51     {
  52         return static_cast<size_t>(__x);
  53     }
  54 };
  55
  56 #endif // WIN32
  57
  58 }
  59
  60 #endif // _HASH_FUN_H_