예제 #1
0
inline
void
subview_cube<eT>::div_inplace(Mat<eT>& out, const subview_cube<eT>& in)
  {
  arma_extra_debug_sigprint();
  
  arma_debug_assert_cube_as_mat(out, in, "element-wise division", true);
  
  const uword in_n_rows   = in.n_rows;
  const uword in_n_cols   = in.n_cols;
  const uword in_n_slices = in.n_slices;
  
  const uword out_n_rows    = out.n_rows;
  const uword out_n_cols    = out.n_cols;
  const uword out_vec_state = out.vec_state;
  
  if(in_n_slices == 1)
    {
    for(uword col=0; col < in_n_cols; ++col)
      {
      arrayops::inplace_div( out.colptr(col), in.slice_colptr(0, col), in_n_rows );
      }
    }
  else
    {
    if(out_vec_state == 0)
      {
      if( (in_n_rows == out_n_rows) && (in_n_cols == 1) && (in_n_slices == out_n_cols) )
        {
        for(uword i=0; i < in_n_slices; ++i)
          {
          arrayops::inplace_div( out.colptr(i), in.slice_colptr(i, 0), in_n_rows );
          }
        }
      else
      if( (in_n_rows == 1) && (in_n_cols == out_n_rows) && (in_n_slices == out_n_cols) )
        {
        const Cube<eT>& Q = in.m;
        
        const uword in_aux_row1   = in.aux_row1;
        const uword in_aux_col1   = in.aux_col1;
        const uword in_aux_slice1 = in.aux_slice1;
        
        for(uword slice=0; slice < in_n_slices; ++slice)
          {
          const uword mod_slice = in_aux_slice1 + slice;
          
          eT* out_colptr = out.colptr(slice);
          
          uword i,j;
          for(i=0, j=1; j < in_n_cols; i+=2, j+=2)
            {
            const eT tmp_i = Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
            const eT tmp_j = Q.at(in_aux_row1, in_aux_col1 + j, mod_slice);
            
            out_colptr[i] /= tmp_i;
            out_colptr[j] /= tmp_j;
            }
          
          if(i < in_n_cols)
            {
            out_colptr[i] /= Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
            }
          }
        }
      }
    else
      {
      eT* out_mem = out.memptr();
      
      const Cube<eT>& Q = in.m;
      
      const uword in_aux_row1   = in.aux_row1;
      const uword in_aux_col1   = in.aux_col1;
      const uword in_aux_slice1 = in.aux_slice1;
      
      for(uword i=0; i<in_n_slices; ++i)
        {
        out_mem[i] /= Q.at(in_aux_row1, in_aux_col1, in_aux_slice1 + i);
        }
      }
    }
  }
inline
void
subview_cube<eT>::div_inplace(Mat<eT>& out, const subview_cube<eT>& in)
  {
  arma_extra_debug_sigprint();
  
  arma_debug_assert_cube_as_mat(out, in, "element-wise division", true);
  
  const u32 in_n_rows   = in.n_rows;
  const u32 in_n_cols   = in.n_cols;
  const u32 in_n_slices = in.n_slices;
  
  const u32 out_n_rows    = out.n_rows;
  const u32 out_n_cols    = out.n_cols;
  const u32 out_vec_state = out.vec_state;
  
  if(in_n_slices == 1)
    {
    for(u32 col=0; col < in_n_cols; ++col)
      {
      arrayops::inplace_div( out.colptr(col), in.slice_colptr(0, col), in_n_rows );
      }
    }
  else
    {
    if(out_vec_state == 0)
      {
      if( (in_n_rows == out_n_rows) && (in_n_cols == 1) && (in_n_slices == out_n_cols) )
        {
        for(u32 i=0; i < in_n_slices; ++i)
          {
          arrayops::inplace_div( out.colptr(i), in.slice_colptr(i, 0), in_n_rows );
          }
        }
      else
      if( (in_n_rows == 1) && (in_n_cols == out_n_cols) && (in_n_slices == out_n_rows) )
        {
        const Cube<eT>& Q = in.m;
        
        const u32 in_aux_row1   = in.aux_row1;
        const u32 in_aux_col1   = in.aux_col1;
        const u32 in_aux_slice1 = in.aux_slice1;
        
        for(u32 col=0; col < in_n_cols; ++col)
          {
          eT* out_colptr = out.colptr(col);
          
          for(u32 i=0; i < in_n_slices; ++i)
            {
            out_colptr[i] /= Q.at(in_aux_row1, in_aux_col1 + col, in_aux_slice1 + i);
            }
          }
        }
      }
    else
      {
      eT* out_mem = out.memptr();
      
      const Cube<eT>& Q = in.m;
      
      const u32 in_aux_row1   = in.aux_row1;
      const u32 in_aux_col1   = in.aux_col1;
      const u32 in_aux_slice1 = in.aux_slice1;
      
      for(u32 i=0; i<in_n_slices; ++i)
        {
        out_mem[i] /= Q.at(in_aux_row1, in_aux_col1, in_aux_slice1 + i);
        }
      }
    }
  }
예제 #3
0
inline
void
subview_cube<eT>::extract(Mat<eT>& out, const subview_cube<eT>& in)
  {
  arma_extra_debug_sigprint();
  
  arma_debug_assert_cube_as_mat(out, in, "copy into matrix", false);
  
  const uword in_n_rows   = in.n_rows;
  const uword in_n_cols   = in.n_cols;
  const uword in_n_slices = in.n_slices;
  
  const uword out_vec_state = out.vec_state;
  
  if(in_n_slices == 1)
    {
    out.set_size(in_n_rows, in_n_cols);
    
    for(uword col=0; col < in_n_cols; ++col)
      {
      arrayops::copy( out.colptr(col), in.slice_colptr(0, col), in_n_rows );
      }
    }
  else
    {
    if(out_vec_state == 0)
      {
      if(in_n_cols == 1)
        {
        out.set_size(in_n_rows, in_n_slices);
        
        for(uword i=0; i < in_n_slices; ++i)
          {
          arrayops::copy( out.colptr(i), in.slice_colptr(i, 0), in_n_rows );
          }
        }
      else
      if(in_n_rows == 1)
        {
        const Cube<eT>& Q = in.m;
        
        const uword in_aux_row1   = in.aux_row1;
        const uword in_aux_col1   = in.aux_col1;
        const uword in_aux_slice1 = in.aux_slice1;
        
        out.set_size(in_n_cols, in_n_slices);
        
        for(uword slice=0; slice < in_n_slices; ++slice)
          {
          const uword mod_slice = in_aux_slice1 + slice;
          
          eT* out_colptr = out.colptr(slice);
          
          uword i,j;
          for(i=0, j=1; j < in_n_cols; i+=2, j+=2)
            {
            const eT tmp_i = Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
            const eT tmp_j = Q.at(in_aux_row1, in_aux_col1 + j, mod_slice);
            
            out_colptr[i] = tmp_i;
            out_colptr[j] = tmp_j;
            }
          
          if(i < in_n_cols)
            {
            out_colptr[i] = Q.at(in_aux_row1, in_aux_col1 + i, mod_slice);
            }
          }
        }
      }
    else
      {
      out.set_size(in_n_slices);
      
      eT* out_mem = out.memptr();
      
      const Cube<eT>& Q = in.m;
      
      const uword in_aux_row1   = in.aux_row1;
      const uword in_aux_col1   = in.aux_col1;
      const uword in_aux_slice1 = in.aux_slice1;
      
      for(uword i=0; i<in_n_slices; ++i)
        {
        out_mem[i] = Q.at(in_aux_row1, in_aux_col1, in_aux_slice1 + i);
        }
      }
    }
  }
inline
void
subview_cube<eT>::extract(Mat<eT>& out, const subview_cube<eT>& in)
  {
  arma_extra_debug_sigprint();
  
  arma_debug_assert_cube_as_mat(out, in, "copy into matrix", false);
  
  const u32 in_n_rows   = in.n_rows;
  const u32 in_n_cols   = in.n_cols;
  const u32 in_n_slices = in.n_slices;
  
  const u32 out_vec_state = out.vec_state;
  
  if(in_n_slices == 1)
    {
    out.set_size(in_n_rows, in_n_cols);
    
    for(u32 col=0; col < in_n_cols; ++col)
      {
      arrayops::copy( out.colptr(col), in.slice_colptr(0, col), in_n_rows );
      }
    }
  else
    {
    if(out_vec_state == 0)
      {
      if(in_n_cols == 1)
        {
        out.set_size(in_n_rows, in_n_slices);
        
        for(u32 i=0; i < in_n_slices; ++i)
          {
          arrayops::copy( out.colptr(i), in.slice_colptr(i, 0), in_n_rows );
          }
        }
      else
      if(in_n_rows == 1)
        {
        out.set_size(in_n_slices, in_n_cols);
        
        const Cube<eT>& Q = in.m;
        
        const u32 in_aux_row1   = in.aux_row1;
        const u32 in_aux_col1   = in.aux_col1;
        const u32 in_aux_slice1 = in.aux_slice1;
        
        for(u32 col=0; col < in_n_cols; ++col)
          {
          eT* out_colptr = out.colptr(col);
          
          for(u32 i=0; i < in_n_slices; ++i)
            {
            out_colptr[i] = Q.at(in_aux_row1, in_aux_col1 + col, in_aux_slice1 + i);
            }
          }
        }
      }
    else
      {
      out.set_size(in_n_slices);
      
      eT* out_mem = out.memptr();
      
      const Cube<eT>& Q = in.m;
      
      const u32 in_aux_row1   = in.aux_row1;
      const u32 in_aux_col1   = in.aux_col1;
      const u32 in_aux_slice1 = in.aux_slice1;
      
      for(u32 i=0; i<in_n_slices; ++i)
        {
        out_mem[i] = Q.at(in_aux_row1, in_aux_col1, in_aux_slice1 + i);
        }
      }
    }
  }