Пример #1
0
void MangoExact::calculateHash (Molecule &mol, Hash &hash)
{
   hash.clear();

   QS_DEF(Molecule, mol_without_h);
   QS_DEF(Array<int>, vertices);
   int i;

   vertices.clear();
   
   for (i = mol.vertexBegin(); i != mol.vertexEnd(); i = mol.vertexNext(i))
      if (mol.getAtomNumber(i) != ELEM_H)
         vertices.push(i);

   mol_without_h.makeSubmolecule(mol, vertices, 0);

   // Decompose into connected components
   int n_comp = mol_without_h.countComponents();
   QS_DEF(Molecule, component);
   QS_DEF(Array<int>, vertex_codes);

   for (int i = 0; i < n_comp; i++)
   {
      Filter filter(mol_without_h.getDecomposition().ptr(), Filter::EQ, i);
      component.makeSubmolecule(mol_without_h, filter, 0, 0);

      SubgraphHash hh(component);

      vertex_codes.clear_resize(component.vertexEnd());
      for (int v = component.vertexBegin(); v != component.vertexEnd(); v = component.vertexNext(v))
         vertex_codes[v] = component.atomCode(v);
      hh.vertex_codes = &vertex_codes;
      hh.max_iterations = (component.edgeCount() + 1) / 2;

      dword component_hash = hh.getHash();

      // Find component hash in all hashes
      bool found = false;

      for (int j = 0; j < hash.size(); j++)
         if (hash[j].hash == component_hash)
         {
            hash[j].count++;
            found = true;
            break;
         }

      if (!found)
      {
         HashElement &hash_element = hash.push();
         hash_element.count = 1;
         hash_element.hash = component_hash;
      }
   }
}
Пример #2
0
bool
lessThanXored(Hash const& l, Hash const& r, Hash const& x)
{
    Hash v1, v2;
    for (size_t i = 0; i < l.size(); i++)
    {
        v1[i] = x[i] ^ l[i];
        v2[i] = x[i] ^ r[i];
    }

    return v1 < v2;
}
Пример #3
0
int
da_build_dump(da_build_t* builder, char* tmpfile, FILE* lexfile)
{
    Hash::iterator i, last;
    Hash* entries = builder->entries;
    char** keys = new char*[entries->size()];
    size_t* lens = new size_t[entries->size()];
    long* vals = new long[entries->size()];
    int size = 0;
    std::vector<long> lex_indices;

    std::cerr << entries->size() << " entries" << std::endl;

    i = entries->begin();
    while (i != entries->end()) {
	const std::string& key = i->first;
	last = entries->upper_bound(key);
	lex_indices.clear();
	for (; i != last; i++) {
	    lex_indices.push_back(i->second);
	}
	lens[size] = key.size();
	keys[size] = (char*) key.data();
	vals[size] = redump_lex(lens[size], lex_indices, tmpfile, lexfile);
	if (vals[size] < 0) {
	    std::cerr << "Unexpected error at " << key << std::endl;
	    cha_exit_perror((char*)"build darts file");
	}
	size++;
    }
    std::cerr << size << " keys" << std::endl;

    DoubleArrayL da;
    da.build(size, (const char**) keys, lens, vals);
    da.save(builder->path->c_str(), "wb");

    return builder->entries->size();
}
Пример #4
0
void Search::searchHash(Hash h, int size, vector<long int> v)
{
	int count = 0;
	int aux;
	int meio, ultimo, primeiro;
	No *hAux;

	for (int i = 0; i < size; i++)
	{
		aux = h.cHash(v.at(i));
		hAux = h.Get_IndexHash(aux);
		if (h.size(hAux) > 0)
		{
			/*while (primeiro <= ultimo)
			{
				if (hAux->at(meio) < v.at(i))
				{
					primeiro = meio + 1;
				}
				else if (hAux->at(meio) == v.at(i))
				{
					count += 1;
					break;
				}
				else
				{
					ultimo = meio - 1;
				}
				meio = (primeiro + ultimo) / 2;
			}*/
			while (hAux != NULL)
			{
				if (hAux->e == v.at(i))
				{
					count += 1;
					break;
				}
				else
				{
					hAux = hAux->prox;
				}
			}
		}
	}

	cout << "Existem " << count << " chaves do vetor na Hash." << endl;
}
Пример #5
0
Res WriteFileHash(const string& out_dir,
                  const string& file_path,
                  const Hash& hash) {
    string hash_fname = PathJoin(out_dir, LocalFileStemFromPath(file_path));
    hash_fname += ".hash";

    FILE* f = fopen(hash_fname.c_str(), "wb");
    if (!f) {
        return Res(ERR_FILE_ERROR, "WriteFileHash can't open file " + hash_fname);
    } else {
        size_t wrote = fwrite(hash.data(), hash.size(), 1, f);
        if (wrote != 1) {
            return Res(ERR_FILE_ERROR, "WriteFileHash couldn't write to file " +
                       hash_fname);
        }
        int closed_code = fclose(f);
        if (closed_code != 0) {
            return Res(ERR_FILE_ERROR, "WriteFileHash couldn't close " + hash_fname);
        }
    }

    return Res(OK);
}
Пример #6
0
int main() {
	Value a;

	assert(!a.isInteger());
	assert(!a.isString());
	assert(!a.isList());
	assert(!a.isHash());
	assert(a.type() == Value::UNDEFINED);
	assert(!a);

	a = Value(11);

	assert(a.isInteger());
	assert(!a.isString());
	assert(!a.isList());
	assert(!a.isHash());
	assert(a);
	assert(a.asInteger() == 11);

	a = Value("123");

	assert(!a.isInteger());
	assert(a.isString());
	assert(!a.isList());
	assert(!a.isHash());
	assert(a);
	assert(a.asString() == "123");

	List b;
	b.push_back(Value(11));
	b.push_back(Value("111"));

	a = Value(b);

	b.push_back(Value(34));

	assert(b.size() == 3);

	assert(a.isList());
	assert(a.asList().size() == 2);

	Hash m;
	m["aa"] = Value(12);
	m["bb"] = Value(11);

	a = Value(m);

	m.erase("bb");

	assert(m.size() == 1);
	assert(m["aa"].asInteger() == 12);
	assert(m.find("bb") == m.end());
	assert(a.isHash());
	assert(a.asHash().size() == 2);

	a = Value(Vector(1,-1,2));

	assert(a.type() == Value::VECTOR);
	assert(a.isVector());
	assert(a.asVector().y == -1);
	assert(a);

	a = Value(Position(1,-1,2));

	assert(a.type() == Value::POSITION);
	assert(a.isPosition());
	assert(a.asPosition().x == 1);
	assert(a);

	std::cout << "Success!" << std::endl;

	return 0;
}
Пример #7
0
void tst_QHash::insert1()
{
    const char *hello = "hello";
    const char *world = "world";
    const char *allo = "allo";
    const char *monde = "monde";

    {
        typedef QHash<QString, QString> Hash;
        Hash hash;
        QString key;
        for (int i = 0; i < 10; ++i) {
            key[0] = i + '0';
            for (int j = 0; j < 10; ++j) {
                key[1] = j + '0';
                hash.insert(key, "V" + key);
            }
        }

        for (int i = 0; i < 10; ++i) {
            key[0] = i + '0';
            for (int j = 0; j < 10; ++j) {
                key[1] = j + '0';
                hash.remove(key);
            }
        }
    }

    {
        typedef QHash<int, const char *> Hash;
        Hash hash;
        hash.insert(1, hello);
        hash.insert(2, world);

        QVERIFY(hash.size() == 2);
        QVERIFY(!hash.isEmpty());

        {
            Hash hash2 = hash;
            hash2 = hash;
            hash = hash2;
            hash2 = hash2;
            hash = hash;
            hash2.clear();
            hash2 = hash2;
            QVERIFY(hash2.size() == 0);
            QVERIFY(hash2.isEmpty());
        }
        QVERIFY(hash.size() == 2);

        {
            Hash hash2 = hash;
            hash2[1] = allo;
            hash2[2] = monde;

            QVERIFY(hash2[1] == allo);
            QVERIFY(hash2[2] == monde);
            QVERIFY(hash[1] == hello);
            QVERIFY(hash[2] == world);

            hash2[1] = hash[1];
            hash2[2] = hash[2];

            QVERIFY(hash2[1] == hello);
            QVERIFY(hash2[2] == world);

            hash[1] = hash[1];
	    QVERIFY(hash[1] == hello);
	}
	        {
            Hash hash2 = hash;
            hash2.detach();
            hash2.remove(1);
            QVERIFY(hash2.size() == 1);
            hash2.remove(1);
            QVERIFY(hash2.size() == 1);
            hash2.remove(0);
            QVERIFY(hash2.size() == 1);
            hash2.remove(2);
            QVERIFY(hash2.size() == 0);
            QVERIFY(hash.size() == 2);
        }

        hash.detach();

        {
            Hash::iterator it1 = hash.find(1);
            QVERIFY(it1 != hash.end());

            Hash::iterator it2 = hash.find(0);
            QVERIFY(it2 != hash.begin());
            QVERIFY(it2 == hash.end());

            *it1 = monde;
            QVERIFY(*it1 == monde);
            QVERIFY(hash[1] == monde);

            *it1 = hello;
            QVERIFY(*it1 == hello);
            QVERIFY(hash[1] == hello);

            hash[1] = monde;
            QVERIFY(it1.key() == 1);
            QVERIFY(it1.value() == monde);
            QVERIFY(*it1 == monde);
            QVERIFY(hash[1] == monde);

            hash[1] = hello;
            QVERIFY(*it1 == hello);
            QVERIFY(hash[1] == hello);
        }

        {
            const Hash hash2 = hash;

            Hash::const_iterator it1 = hash2.find(1);
            QVERIFY(it1 != hash2.end());
            QVERIFY(it1.key() == 1);
            QVERIFY(it1.value() == hello);
            QVERIFY(*it1 == hello);

            Hash::const_iterator it2 = hash2.find(2);
            QVERIFY(it1 != it2);
            QVERIFY(it1 != hash2.end());
            QVERIFY(it2 != hash2.end());

            int count = 0;
            it1 = hash2.begin();
            while (it1 != hash2.end()) {
                count++;
                ++it1;
            }
            QVERIFY(count == 2);

            count = 0;
            it1 = hash.begin();
            while (it1 != hash.end()) {
                count++;
                ++it1;
            }
            QVERIFY(count == 2);
        }

        {
            QVERIFY(hash.contains(1));
            QVERIFY(hash.contains(2));
            QVERIFY(!hash.contains(0));
            QVERIFY(!hash.contains(3));
        }

        {
            QVERIFY(hash.value(1) == hello);
            QVERIFY(hash.value(2) == world);
            QVERIFY(hash.value(3) == 0);
            QVERIFY(hash.value(1, allo) == hello);
            QVERIFY(hash.value(2, allo) == world);
            QVERIFY(hash.value(3, allo) == allo);
            QVERIFY(hash.value(0, monde) == monde);
        }

        {
            QHash<int,Foo> hash;
            for (int i = 0; i < 10; i++)
                hash.insert(i, Foo());
            QVERIFY(Foo::count == 10);
            hash.remove(7);
            QVERIFY(Foo::count == 9);

        }
        QVERIFY(Foo::count == 0);
        {
            QHash<int, int*> hash;
            QVERIFY(((const QHash<int,int*>*) &hash)->operator[](7) == 0);
        }
    }
}