34 #ifndef RGROUP_RANDOM_SAMPLE_ALLBBS_H
35 #define RGROUP_RANDOM_SAMPLE_ALLBBS_H
38 #include <boost/random.hpp>
39 #include <boost/random/uniform_int_distribution.hpp>
70 boost::uint64_t m_numPermutationsProcessed;
74 boost::minstd_rand m_rng;
75 std::vector<boost::random::uniform_int_distribution<>> m_distributions;
80 m_numPermutationsProcessed(0),
85 for (
size_t i = 0; i < m_permutation.size(); ++i) {
86 m_distributions.push_back(
87 boost::random::uniform_int_distribution<>(0, m_permutation[i] - 1));
94 m_distributions.clear();
95 m_permutation.resize(m_permutationSizes.size());
98 *std::max_element(m_permutationSizes.begin(), m_permutationSizes.end());
99 for (
size_t i = 0; i < m_permutationSizes.size(); ++i) {
100 m_distributions.push_back(boost::random::uniform_int_distribution<>(
101 0, m_permutationSizes[i] - 1));
104 m_numPermutationsProcessed = 0;
107 virtual const char *
type()
const {
return "RandomSampleAllBBsStrategy"; }
111 if (m_offset >= m_maxoffset) {
112 for (
size_t i = 0; i < m_permutation.size(); ++i) {
113 m_permutation[i] = m_distributions[i](m_rng);
117 for (
size_t i = 0; i < m_permutation.size(); ++i) {
118 m_permutation[i] = (m_permutation[i] + 1) % m_permutationSizes[i];
122 ++m_numPermutationsProcessed;
124 return m_permutation;
128 return m_numPermutationsProcessed;
131 virtual operator bool()
const {
return true; }
138 #ifdef RDK_USE_BOOST_SERIALIZATION
139 friend class boost::serialization::access;
141 template <
class Archive>
142 void save(Archive &ar,
const unsigned int )
const {
144 ar << boost::serialization::base_object<const EnumerationStrategyBase>(
146 ar << m_numPermutationsProcessed;
148 std::stringstream random;
150 std::string s = random.str();
157 template <
class Archive>
158 void load(Archive &ar,
const unsigned int ) {
160 ar >> boost::serialization::base_object<EnumerationStrategyBase>(*
this);
161 ar >> m_numPermutationsProcessed;
164 std::stringstream random(s);
170 m_distributions.clear();
171 for (
size_t i = 0; i < m_permutationSizes.size(); ++i) {
172 m_distributions.push_back(boost::random::uniform_int_distribution<>(
173 0, m_permutationSizes[i] - 1));
177 template <
class Archive>
178 void serialize(Archive &ar,
const unsigned int file_version) {
179 boost::serialization::split_member(ar, *
this, file_version);
185 #ifdef RDK_USE_BOOST_SERIALIZATION