jubatus::core::common::hash_util Class Reference

#include <hash.hpp>

Collaboration diagram for jubatus::core::common::hash_util:

Static Public Member Functions
static uint64_t	calc_string_hash (const std::string &s)

Detailed Description

Definition at line 27 of file hash.hpp.

Member Function Documentation

static uint64_t jubatus::core::common::hash_util::calc_string_hash ( const std::string &  s )

inlinestatic

Definition at line 29 of file hash.hpp.

Referenced by jubatus::core::recommender::minhash::calc_minhash_values(), jubatus::core::recommender::euclid_lsh::calculate_lsh(), jubatus::core::recommender::lsh::generate_column_base(), jubatus::core::common::portable_mixer< Storage, Diff >::get_hash(), jubatus::core::nearest_neighbor::minhash::hash(), jubatus::core::fv_converter::feature_hasher::hash_feature_keys(), and jubatus::core::nearest_neighbor::random_projection().

                                                       {
    // FNV-1 hash function
    uint64_t hash = 14695981039346656037LLU;
    for (size_t i = 0; i < s.size(); ++i) {
      hash *= 1099511628211LLU;
      hash ^= s[i];
    }
    return hash;
  }

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The documentation for this class was generated from the following file:

• jubatus/core/common/hash.hpp