c++ 类内部 使用 new delete

低级错误:

 /**
 * @clusterNums 默认为5 分类数目
 * @xyVector 处理后点云数据 x y顺序存储
 */
 int GMM::runGMM(int clusterNums, const std::vector<db::Point2f> & xyVector, std::vector<db::pointCuster> & xyCusterVector){

     int dim = ;

     datanums = xyVector.size();
     data = new double*[datanums];

     for (int i = , j = ; j < xyVector.size(); j++, i++)
     {
         data[i] = new double[dim];
         data[i][] = xyVector[j].x;
         data[i][] = xyVector[j].y;
     }
     GMM gmm;
     result = gmm.GMM_Cluster(data, datanums, dim, clusterNums);
     //multimap<int, pair<double, double>>cluster;
     vector<vector<int>>clusters;
     clusters.resize(clusterNums);

     for (int i = ; i < datanums; i++)
     {
         //cluster.insert(pair<int, pair<double, double>>
         //    (result[i], pair<double, double>(data[i][0], data[i][1])));
         clusters[result[i]].push_back(i);
         //cout << result[i] << endl;
     }

     for (int i = ; i < clusterNums; i++)
     {
         db::pointCuster tempCuster;
         xyCusterVector.push_back(tempCuster);

         for (int j = ; j < clusters[i].size(); j++)
         {
             db::Point2f tempPoint;
             xyCusterVector[i].push_back(tempPoint);

             xyCusterVector[i][j].x = data[clusters[i][j]][];
             xyCusterVector[i][j].y = data[clusters[i][j]][];
         }
     }

     return ;
 }

总结：一定不要在类的内部，实例化它自己的对象，导致内存释放错误。