| uint32_t Hash64Low(const char* s, size_t len) { |
| return static_cast<uint32_t>(Hash64(s, len)); |
| } |
| |
| uint32_t Hash64High(const char* s, size_t len) { |
| return static_cast<uint32_t>(Hash64(s, len) >> 32); |
| } |
| |
| // Hash the concatenation of the given string with itself. |
| uint64_t Hash64D(const char* s, size_t len) { |
| char buf[8000]; |
| char* ss = len*2 > sizeof(buf) ? (char*)malloc(len*2) : buf; |
| memcpy(ss, s, len); |
| memcpy(ss + len, s, len); |
| uint64_t h = Hash64(ss, len*2); |
| if (ss != buf) free(ss); |
| return h; |
| } |
| |
| // Hash the concatenation of the given string with itself. |
| uint32_t Hash64DLow(const char* s, size_t len) { |
| return static_cast<uint32_t>(Hash64D(s, len)); |
| } |
| |
| // Hash the concatenation of the given string with itself. |
| uint32_t Hash64DHigh(const char* s, size_t len) { |
| return static_cast<uint32_t>(Hash64D(s, len) >> 32); |
| } |
| |
| // Hash the concatenation of the given string with 3 copies of itself. |
| uint64_t Hash64Q(const char* s, size_t len) { |
| char buf[8000]; |
| char* ss = len*4 > sizeof(buf) ? (char*)malloc(len*4) : buf; |
| memcpy(ss, s, len); |
| memcpy(ss + len, s, len); |
| memcpy(ss + len*2, ss, len*2); |
| uint64_t h = Hash64(ss, len*4); |
| if (ss != buf) free(ss); |
| return h; |
| } |
| |
| // Hash the concatenation of the given string with 3 copies of itself. |
| uint32_t Hash64QLow(const char* s, size_t len) { |
| return static_cast<uint32_t>(Hash64Q(s, len)); |
| } |
| |
| // Hash the concatenation of the given string with 3 copies of itself. |
| uint32_t Hash64QHigh(const char* s, size_t len) { |
| return static_cast<uint32_t>(Hash64Q(s, len) >> 32); |
| } |