AnalysisSystemForRadionucli.../include/armadillo_bits/spglue_join_meat.hpp

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// Copyright (C) 2015 National ICT Australia (NICTA)
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
// -------------------------------------------------------------------
//
// Written by Conrad Sanderson - http://conradsanderson.id.au
//! \addtogroup spglue_join
//! @{
template<typename T1, typename T2>
inline
void
spglue_join_cols::apply(SpMat<typename T1::elem_type>& out, const SpGlue<T1,T2,spglue_join_cols>& X)
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
const unwrap_spmat<T1> A_tmp(X.A);
const unwrap_spmat<T2> B_tmp(X.B);
const SpMat<eT>& A = A_tmp.M;
const SpMat<eT>& B = B_tmp.M;
if( (&out != &A) && (&out != &B) )
{
spglue_join_cols::apply_noalias(out, A, B);
}
else
{
SpMat<eT> tmp;
spglue_join_cols::apply_noalias(tmp, A, B);
out.steal_mem(tmp);
}
}
template<typename eT>
inline
void
spglue_join_cols::apply_noalias(SpMat<eT>& out, const SpMat<eT>& A, const SpMat<eT>& B)
{
arma_extra_debug_sigprint();
const uword A_n_rows = A.n_rows;
const uword A_n_cols = A.n_cols;
const uword B_n_rows = B.n_rows;
const uword B_n_cols = B.n_cols;
arma_debug_check
(
( (A_n_cols != B_n_cols) && ( (A_n_rows > 0) || (A_n_cols > 0) ) && ( (B_n_rows > 0) || (B_n_cols > 0) ) ),
"join_cols() / join_vert(): number of columns must be the same"
);
out.set_size( A_n_rows + B_n_rows, (std::max)(A_n_cols, B_n_cols) );
if( out.n_elem > 0 )
{
if(A.is_empty() == false)
{
out.submat(0, 0, A_n_rows-1, out.n_cols-1) = A;
}
if(B.is_empty() == false)
{
out.submat(A_n_rows, 0, out.n_rows-1, out.n_cols-1) = B;
}
}
}
template<typename T1, typename T2>
inline
void
spglue_join_rows::apply(SpMat<typename T1::elem_type>& out, const SpGlue<T1,T2,spglue_join_rows>& X)
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
const unwrap_spmat<T1> A_tmp(X.A);
const unwrap_spmat<T2> B_tmp(X.B);
const SpMat<eT>& A = A_tmp.M;
const SpMat<eT>& B = B_tmp.M;
if( (&out != &A) && (&out != &B) )
{
spglue_join_rows::apply_noalias(out, A, B);
}
else
{
SpMat<eT> tmp;
spglue_join_rows::apply_noalias(tmp, A, B);
out.steal_mem(tmp);
}
}
template<typename eT>
inline
void
spglue_join_rows::apply_noalias(SpMat<eT>& out, const SpMat<eT>& A, const SpMat<eT>& B)
{
arma_extra_debug_sigprint();
const uword A_n_rows = A.n_rows;
const uword A_n_cols = A.n_cols;
const uword B_n_rows = B.n_rows;
const uword B_n_cols = B.n_cols;
arma_debug_check
(
( (A_n_rows != B.n_rows) && ( (A_n_rows > 0) || (A_n_cols > 0) ) && ( (B_n_rows > 0) || (B_n_cols > 0) ) ),
"join_rows() / join_horiz(): number of rows must be the same"
);
out.set_size( (std::max)(A_n_rows, B_n_rows), A_n_cols + B_n_cols );
if( out.n_elem > 0 )
{
if(A.is_empty() == false)
{
out.submat(0, 0, out.n_rows-1, A.n_cols-1) = A;
}
if(B.is_empty() == false)
{
out.submat(0, A_n_cols, out.n_rows-1, out.n_cols-1) = B;
}
}
}
//! @}