//! More...
Classes | |
| class | op_repmat |
Functions | |
| template<typename T1 > | |
| static void | op_repmat::apply (Mat< typename T1::elem_type > &out, const Op< T1, op_repmat > &in) |
| //! implementation of the 'repeat matrix' operation, used for constructing matrices | |
//!
| void op_repmat::apply | ( | Mat< typename T1::elem_type > & | out, | |
| const Op< T1, op_repmat > & | in | |||
| ) | [inline, static, inherited] |
//! implementation of the 'repeat matrix' operation, used for constructing matrices
Definition at line 29 of file op_repmat_meat.hpp.
References Op< T1, op_type >::aux_u32_a, Op< T1, op_type >::aux_u32_b, unwrap_check< T1 >::M, Op< T1, op_type >::m, Mat< eT >::n_cols, Mat< eT >::n_elem, Mat< eT >::n_rows, Mat< eT >::set_size(), and Mat< eT >::submat().
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
const unwrap_check<T1> tmp(in.m, out);
const Mat<eT>& X = tmp.M;
arma_debug_check( (X.n_elem == 0), "op_repmat::apply(): given object has no elements" );
const u32 copies_per_row = in.aux_u32_a;
const u32 copies_per_col = in.aux_u32_b;
out.set_size(X.n_rows * copies_per_row, X.n_cols * copies_per_col);
for(u32 col = 0; col < out.n_cols; col += X.n_cols)
{
for(u32 row = 0; row < out.n_rows; row += X.n_rows)
{
out.submat(row, col, row+X.n_rows-1, col+X.n_cols-1) = X;
}
}
}