Line data    Source code

       1             : #include "utils/strong_hash.hpp"
       2             : 
       3             : using namespace std;
       4             : 
       5           0 : size_t utils::strong_hash<long>::operator()(long x) const {
       6             :     // From:
       7             :     // - https://stackoverflow.com/a/12996028/12283316
       8           0 :     x = (x ^ (x >> 30)) * (long)(0xbf58476d1ce4e5b9);
       9           0 :     x = (x ^ (x >> 27)) * (long)(0x94d049bb133111eb);
      10           0 :     x = x ^ (x >> 31);
      11           0 :     return x;
      12             : }