C++ (Cpp) subview_field Examples

Example #1

File: arma_ostream_meat.hpp Project: Alkonis/COSyn

inline
void
arma_ostream::print(std::ostream& o, const subview_field<oT>& x)
  {
  arma_extra_debug_sigprint();
  
  const arma_ostream_state stream_state(o);
  
  const std::streamsize cell_width = o.width();
  
  const uword x_n_rows   = x.n_rows;
  const uword x_n_cols   = x.n_cols;
  const uword x_n_slices = x.n_slices;
  
  if(x_n_slices == 1)
    {
    for(uword col=0; col<x_n_cols; ++col)
      {
      o << "[field column " << col << ']' << '\n'; 
      for(uword row=0; row<x_n_rows; ++row)
        {
        o.width(cell_width);
        o << x.at(row,col) << '\n';
        }
      
      o << '\n';
      }
    }
  else
    {
    for(uword slice=0; slice<x_n_slices; ++slice)
      {
      o << "[field slice " << slice << ']' << '\n';
      
      for(uword col=0; col<x_n_cols; ++col)
        {
        o << "[field column " << col << ']' << '\n';
        
        for(uword row=0; row<x_n_rows; ++row)
          {
          o.width(cell_width);
          o << x.at(row,col,slice) << '\n';
          }
        
        o << '\n';
        }
      
      o << '\n';
      }
    }
  
  o.flush();
  stream_state.restore(o);
  }

Example #2

File: arma_ostream_meat.hpp Project: davetcoleman/SimplexSolver

inline
void
arma_ostream::print(std::ostream& o, const subview_field<oT>& x)
  {
  arma_extra_debug_sigprint();
  
  const arma_ostream_state stream_state(o);
  
  const std::streamsize cell_width = o.width();
  
  const u32 x_n_rows = x.n_rows;
  const u32 x_n_cols = x.n_cols;
  
  for(u32 col=0; col<x_n_cols; ++col)
    {
    o << "[field column " << col << ']' << '\n'; 
    for(u32 row=0; row<x_n_rows; ++row)
      {
      o.width(cell_width);
      o << x.at(row,col) << '\n';
      }
    
    o << '\n';
    }
  
  o.flush();
  stream_state.restore(o);
  }

Example #3

File: subview_field_meat.hpp Project: 2003pro/armadillo

inline
void
subview_field<oT>::extract(field<oT>& actual_out, const subview_field<oT>& in)
  {
  arma_extra_debug_sigprint();
  
  //
  const bool alias = (&actual_out == &in.f);
  
  field<oT>* tmp = (alias) ? new field<oT> : 0;
  field<oT>& out = (alias) ? (*tmp)        : actual_out;
  
  //
  
  const uword n_rows   = in.n_rows;
  const uword n_cols   = in.n_cols;
  const uword n_slices = in.n_slices;
  
  out.set_size(n_rows, n_cols, n_slices);
  
  arma_extra_debug_print(arma_boost::format("out.n_rows = %d   out.n_cols = %d   out.n_slices = %d    in.m.n_rows = %d  in.m.n_cols = %d  in.m.n_slices = %d") % out.n_rows % out.n_cols % out.n_slices % in.f.n_rows % in.f.n_cols % in.f.n_slices);
  
  if(n_slices == 1)
    {
    for(uword col = 0; col < n_cols; ++col)
    for(uword row = 0; row < n_rows; ++row)
      {
      out.at(row,col) = in.at(row,col);
      }
    }
  else
    {
    for(uword slice = 0; slice < n_slices; ++slice)
    for(uword col   = 0; col   < n_cols;   ++col  )
    for(uword row   = 0; row   < n_rows;   ++row  )
      {
      out.at(row,col,slice) = in.at(row,col,slice);
      }
    }
  
  if(alias)
    {
    actual_out = out;
    delete tmp;
    }
  
  }