HashIntGlobalPointPair Struct Reference

#include <utils.h>

Public Member Functions
std::size_t	operator() (std::pair< int, GlobalPoint > const &g) const

Detailed Description

Definition at line 9 of file utils.h.

Member Function Documentation

operator()()

std::size_t HashIntGlobalPointPair::operator() ( std::pair< int, GlobalPoint > const &  g ) const

inline

Definition at line 10 of file utils.h.

References g, and dqmdumpme::k.

                                                                        {
    auto h1 = std::hash<unsigned long long>()((unsigned long long)g.first);
    unsigned long long k;
    memcpy(&k, &g.second, sizeof(k));
    auto h2 = std::hash<unsigned long long>()(k);
    return h1 ^ (h2 << 1);
  }