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hash.hpp
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1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Christian Schulte <schulte@gecode.org>
5 * Guido Tack <tack@gecode.org>
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8 * Christian Schulte, 2018
9 * Guido Tack, 2018
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35
36namespace Gecode {
37
39 template<class T>
40 void cmb_hash(std::size_t& seed, const T h);
41
42 template<class T>
43 forceinline void
44 cmb_hash(std::size_t& seed, const T h) {
45 seed ^= static_cast<std::size_t>(h)
46 + 0x9e3779b9 + (seed << 6) + (seed >> 2);
47 }
48
49}
50
51// STATISTICS: support-any
Gecode toplevel namespace
void cmb_hash(std::size_t &seed, const T h)
Combine hash value h into seed.
Definition hash.hpp:44
#define forceinline
Definition config.hpp:194