C++ AzDvect::rowNum方法代码示例

 void count(const AzPmat *m) {
   if (v_border.rowNum() == 0) init_count(); 
   AzDmat md; m->get(&md); 
   const double *border = v_border.point(); 
   int row, col; 
   for (col = 0; col < md.colNum(); ++col) {
     for (row = 0; row < md.rowNum(); ++row) {
       double val = md.get(row, col); 
       int bx; 
       for (bx = 0; bx < v_border.rowNum(); ++bx) {
         if (val <= border[bx]) {
           v_pop.add(bx, 1); 
           break; 
         }
       }
     }
   }    
 }

  void reset(const AzDvect *inp_v_y, 
             const AzDvect *inp_v_fixed_dw=NULL) {
    v_dw.reform(inp_v_y->rowNum()); 
    v_dw.set(1); 
    v_tar_dw.set(inp_v_y); 
    v_y.set(inp_v_y);
    fixed_dw_sum = -1; 

    v_fixed_dw.reset(); 
    if (!AzDvect::isNull(inp_v_fixed_dw)) {
      v_fixed_dw.set(inp_v_fixed_dw); 
      if (v_fixed_dw.rowNum() != v_y.rowNum()) {
        throw new AzException(AzInputError, "AzTrTtarget::reset", 
                              "conlict in dimensionality: y and data point weights"); 
      }
      fixed_dw_sum = v_fixed_dw.sum(); 
    }
  }

 /*---*/
 void resetDw(const AzDvect *inp_v_dw) {
   if (!AzDvect::isNull(inp_v_dw)) {
     if (inp_v_dw->rowNum() != v_y.rowNum()) {
       throw new AzException("AzOptOnTree::resetDw", "dimensionality conflict"); 
     }
     v_fixed_dw.set(inp_v_dw); 
   }
   else {
     v_fixed_dw.destroy(); 
   }
 }

 /*---  this never returns NULL ---*/
 inline const AzDvect *col(int col) const {
   if (col < 0 || col >= col_num) {
     throw new AzException("AzDmat::col", "col# is out of range"); 
   }
   if (column[col] == NULL) {
     if (dummy_zero.rowNum() != row_num) {
       throw new AzException("AzDmat::col", "wrong dummy_zero"); 
     }
     return &dummy_zero; 
   }
   return column[col]; 
 }

/*----------------------------------------------------------------------*/
void AzSvDataS::mergeData(const AzSmat *m_x,
                         const AzSvFeatInfo *feat,
                         const char *fn_template,
                         const char *str,
                         bool doSparse,
                         int digits,
                         const char *out_x_fn,
                         const char *out_n_fn,
                         int num,
                         const char *names[])
{
  const char *eyec = "AzSvDataS::mergeData";

  int data_num = m_x->colNum();
  int f_num = m_x->rowNum();
  if (feat->featNum() != f_num) {
    throw new AzException(eyec, "Conflict btw m_x and featInfo");
  }
  AzFile n_file(out_n_fn);
  n_file.open("wb");
  int fx;
  for (fx = 0; fx < feat->featNum(); ++fx) {
    AzBytArr s; feat->desc(fx, &s); s.nl();
    s.writeText(&n_file);
  }

  AzSmat m;
  m_x->transpose(&m);
  m.resize(data_num, f_num+num);
  AzStrPool sp_names;
  for (fx = 0; fx < num; ++fx) {
    AzBytArr s_fn(fn_template);
    s_fn.replace("*", names[fx]);

    AzDvect v;
    AzSvDataS::readVector(s_fn.c_str(), &v);
    if (v.rowNum() != m.rowNum()) {
      throw new AzException(AzInputError, eyec, "conflict in #data:", s_fn.c_str());
    }
    m.col_u(f_num+fx)->set(&v);

    AzBytArr s_nm;
    if (AzTools::isSpecified(str)) s_nm.c(str);
    s_nm.c(names[fx]); s_nm.nl();
    s_nm.writeText(&n_file);
  }
  n_file.close(true);

  AzSmat m1;
  m.transpose(&m1);
  m1.writeText(out_x_fn, digits, doSparse);
}

 int dim() const {
   return v_tar_dw.rowNum(); 
 }

 inline int dataNum() const {
   return v_tar_dw.rowNum(); 
 }

 inline void copyPred_to(AzDvect *out_v_p) const {
   out_v_p->reform(v_p.rowNum()); 
   out_v_p->set(&v_p); 
 }