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Davi de Castro Reis 2012-06-09 02:47:37 -03:00
parent b3e2ef709d
commit 4fabbd9d25
3 changed files with 9 additions and 9 deletions
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2
cxxmph/mph_index.cc
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@ -182,7 +182,7 @@ void MPHIndex::Ranking() {
}
uint32_t MPHIndex::Rank(uint32_t vertex) const {
if (!g_.size()) return 0;
if (!ranktable_size_) return 0;
uint32_t index = vertex >> b_;
uint32_t base_rank = ranktable_[index];
uint32_t beg_idx_v = index << b_;

3
cxxmph/mph_index.h
View File

@ -45,7 +45,7 @@ namespace cxxmph {
class MPHIndex {
public:
MPHIndex(bool square = false, double c = 1.23, uint8_t b = 7) :
c_(c), b_(b), m_(0), n_(0), k_(0), square_(square), r_(1),
c_(c), b_(b), m_(0), n_(0), k_(0), square_(square), r_(1), g_(8, true),
ranktable_(NULL), ranktable_size_(0) { }
~MPHIndex();
@ -174,7 +174,6 @@ bool MPHIndex::Mapping(
template <class SeededHashFcn, class Key>
uint32_t MPHIndex::perfect_square(const Key& key) const {
if (!g_.size()) return 0;
h128 h = SeededHashFcn().hash128(key, hash_seed_[0]);
h[0] = (h[0] & (r_-1)) + nest_displacement_[0];
h[1] = (h[1] & (r_-1)) + nest_displacement_[1];

13
cxxmph/mph_index_test.cc
View File

@ -33,10 +33,11 @@ int main(int argc, char** argv) {
cerr << endl;
sort(ids.begin(), ids.end());
for (vector<int>::size_type i = 0; i < ids.size(); ++i) assert(ids[i] == static_cast<vector<int>::value_type>(i));
/*
char* serialized = new char[mph_index.serialize_bytes_needed()];
mph_index.serialize(serialized);
SimpleMPHIndex<string> other_mph_index;
other_mph_index.deserialize(serialized);
*/
FlexibleMPHIndex<false, true, int64_t, seeded_hash<std::hash<int64_t>>::hash_function> square_empty;
auto id = square_empty.index(1);
FlexibleMPHIndex<false, false, int64_t, seeded_hash<std::hash<int64_t>>::hash_function> unordered_empty;
id ^= unordered_empty.index(1);
FlexibleMPHIndex<true, false, int64_t, seeded_hash<std::hash<int64_t>>::hash_function> minimal_empty;
id ^= minimal_empty.index(1);
}