本文整理汇总了C++中Topic::TopicInit方法的典型用法代码示例。如果您正苦于以下问题：C++ Topic::TopicInit方法的具体用法？C++ Topic::TopicInit怎么用？C++ Topic::TopicInit使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Topic的用法示例。
在下文中一共展示了Topic::TopicInit方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Singlepass
/*
* @description：
* 一趟聚类的思想
*/
void Cluster::Singlepass() {
#ifdef TIME
time_t start3;
start3 = time(NULL);
#endif
this->SetClusterThrod(this->GenClusterThrod() + THROD_ADD);
std::cout << "CLUSTER_THROD: " << this->CLSTER_THROD << std::endl;
#ifdef DEBUG_CLUSTER1
printMatrix(this->co_ccur_matrix);
#endif
MAP::iterator topic_w_it = this->topicword->begin();
TopicWord firstword = topic_w_it->second;
//这里初始化一个词作为一个簇（topic）
Topic topic;
topic.TopicInit(firstword);
this->clusterList.push_back(topic);
//对于每一个词，计算词在话题列表Topic的距离
topic_w_it++;
std::cout<<"聚类前特征词的个数"<<this->topicword->size()<<std::endl;
for (; topic_w_it != this->topicword->end(); ++topic_w_it) {
vector<Topic>::iterator vec_clu_it = this->clusterList.begin();
double maxDistance = MINVALUE;
vector<Topic>::iterator belong_clus_it = vec_clu_it;//这里应该是赋值还是指针？？？？
for (; vec_clu_it != this->clusterList.end(); ++vec_clu_it) {
double words_distance = Cal_Words_Topic_Distance(*vec_clu_it,topic_w_it->second);
//查看是否有比之前保留的最近的簇更近的簇
if (maxDistance < words_distance) {
maxDistance = words_distance;
belong_clus_it = vec_clu_it;
}
}
//如果该词与该簇距离最近，那么将该词加入该簇
if (maxDistance < this->CLSTER_THROD) {
Topic newTopic;
newTopic.TopicInit(topic_w_it->second);
this->clusterList.push_back(newTopic);
} else {
belong_clus_it->addTopicWord(topic_w_it->second);
}
}
#ifdef TIME
time_t ends4;
ends4 = time(NULL);
std::cout << "一趟聚类用时：" << difftime(ends4, start3) << std::endl;
#endif
#ifdef TIME
time_t start5;
start5 = time(NULL);
#endif
//及时将共现矩阵清空
// this->co_ccur_matrix.clear();
//match weibo id to topic
this->MatchWeiboIDToTopic();
//select the weibo which have more than two words in topic
this->ListAllTopicWeiboId();
#ifdef TIME
time_t ends5;
ends5 = time(NULL);
std::cout << "微博对应话题用时：" << difftime(ends5, start5) << std::endl;
#endif
this->SortTopic();
// this->InsterAllTopicToDatabase();
#ifdef PRINTTOPICA
printTopic(&this->clusterList);
#endif
}