diff options
Diffstat (limited to 'decoder/hash.h')
-rwxr-xr-x | decoder/hash.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/decoder/hash.h b/decoder/hash.h deleted file mode 100755 index 3a60a429..00000000 --- a/decoder/hash.h +++ /dev/null @@ -1,54 +0,0 @@ -#ifndef CDEC_HASH_H -#define CDEC_HASH_H - -#include "murmur_hash.h" - -#include "config.h" -#ifdef HAVE_SPARSEHASH -# include <google/dense_hash_map> -# define HASH_MAP google::dense_hash_map -# define HASH_MAP_RESERVED(h,empty,deleted) do { h.set_empty_key(empty); h.set_deleted_key(deleted); } while(0) -# define HASH_MAP_EMPTY(h,empty) do { h.set_empty_key(empty); } while(0) -#else -# include <tr1/unordered_map> -# define HASH_MAP std::tr1::unordered_map -# define HASH_MAP_RESERVED(h,empty,deleted) -# define HASH_MAP_EMPTY(h,empty) -#endif - -#include <boost/functional/hash.hpp> - -// assumes C is POD -template <class C> -struct murmur_hash -{ - typedef MurmurInt return_type; - typedef C /*const&*/ argument_type; - return_type operator()(argument_type const& c) const { - return MurmurHash((void*)&c,sizeof(c)); - } -}; - -// murmur_hash_array isn't std guaranteed safe (you need to use string::data()) -template <> -struct murmur_hash<std::string> -{ - typedef MurmurInt return_type; - typedef std::string /*const&*/ argument_type; - return_type operator()(argument_type const& c) const { - return MurmurHash(c.data(),c.size()); - } -}; - -// uses begin(),size() assuming contiguous layout and POD -template <class C> -struct murmur_hash_array -{ - typedef MurmurInt return_type; - typedef C /*const&*/ argument_type; - return_type operator()(argument_type const& c) const { - return MurmurHash(&*c.begin(),c.size()*sizeof(*c.begin())); - } -}; - -#endif |