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+// SPDX-License-Identifier: Apache-2.0
+//
+// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
+// Copyright 2008-2016 National ICT Australia (NICTA)
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ------------------------------------------------------------------------
+
+
+
+//! \addtogroup glue_min
+//! @{
+
+
+
+template<typename T1, typename T2>
+inline
+void
+glue_min::apply(Mat<typename T1::elem_type>& out, const Glue<T1, T2, glue_min>& X)
+ {
+ arma_extra_debug_sigprint();
+
+ typedef typename T1::elem_type eT;
+
+ const Proxy<T1> PA(X.A);
+ const Proxy<T2> PB(X.B);
+
+ if( (PA.is_alias(out) && PA.has_subview) || (PB.is_alias(out) && PB.has_subview) )
+ {
+ Mat<eT> tmp;
+
+ glue_min::apply(tmp, PA, PB);
+
+ out.steal_mem(tmp);
+ }
+ else
+ {
+ glue_min::apply(out, PA, PB);
+ }
+ }
+
+
+
+template<typename eT, typename T1, typename T2>
+inline
+void
+glue_min::apply(Mat<eT>& out, const Proxy<T1>& PA, const Proxy<T2>& PB)
+ {
+ arma_extra_debug_sigprint();
+
+ const uword n_rows = PA.get_n_rows();
+ const uword n_cols = PA.get_n_cols();
+
+ arma_debug_assert_same_size(n_rows, n_cols, PB.get_n_rows(), PB.get_n_cols(), "element-wise min()");
+
+ const arma_lt_comparator<eT> comparator;
+
+ out.set_size(n_rows, n_cols);
+
+ eT* out_mem = out.memptr();
+
+ if( (Proxy<T1>::use_at == false) && (Proxy<T2>::use_at == false) )
+ {
+ typename Proxy<T1>::ea_type A = PA.get_ea();
+ typename Proxy<T2>::ea_type B = PB.get_ea();
+
+ const uword N = PA.get_n_elem();
+
+ for(uword i=0; i<N; ++i)
+ {
+ const eT Ai = A[i];
+ const eT Bi = B[i];
+
+ out_mem[i] = comparator(Ai,Bi) ? Ai : Bi;
+ }
+ }
+ else
+ {
+ for(uword col=0; col < n_cols; ++col)
+ for(uword row=0; row < n_rows; ++row)
+ {
+ const eT Ai = PA.at(row,col);
+ const eT Bi = PB.at(row,col);
+
+ *out_mem = comparator(Ai,Bi) ? Ai : Bi;
+
+ ++out_mem;
+ }
+ }
+ }
+
+
+
+template<typename T1, typename T2>
+inline
+void
+glue_min::apply(Cube<typename T1::elem_type>& out, const GlueCube<T1, T2, glue_min>& X)
+ {
+ arma_extra_debug_sigprint();
+
+ typedef typename T1::elem_type eT;
+
+ const ProxyCube<T1> PA(X.A);
+ const ProxyCube<T2> PB(X.B);
+
+ if( (PA.is_alias(out) && PA.has_subview) || (PB.is_alias(out) && PB.has_subview) )
+ {
+ Cube<eT> tmp;
+
+ glue_min::apply(tmp, PA, PB);
+
+ out.steal_mem(tmp);
+ }
+ else
+ {
+ glue_min::apply(out, PA, PB);
+ }
+ }
+
+
+
+template<typename eT, typename T1, typename T2>
+inline
+void
+glue_min::apply(Cube<eT>& out, const ProxyCube<T1>& PA, const ProxyCube<T2>& PB)
+ {
+ arma_extra_debug_sigprint();
+
+ const uword n_rows = PA.get_n_rows();
+ const uword n_cols = PA.get_n_cols();
+ const uword n_slices = PA.get_n_slices();
+
+ arma_debug_assert_same_size(n_rows, n_cols, n_slices, PB.get_n_rows(), PB.get_n_cols(), PB.get_n_slices(), "element-wise min()");
+
+ const arma_lt_comparator<eT> comparator;
+
+ out.set_size(n_rows, n_cols, n_slices);
+
+ eT* out_mem = out.memptr();
+
+ if( (ProxyCube<T1>::use_at == false) && (ProxyCube<T2>::use_at == false) )
+ {
+ typename ProxyCube<T1>::ea_type A = PA.get_ea();
+ typename ProxyCube<T2>::ea_type B = PB.get_ea();
+
+ const uword N = PA.get_n_elem();
+
+ for(uword i=0; i<N; ++i)
+ {
+ const eT Ai = A[i];
+ const eT Bi = B[i];
+
+ out_mem[i] = comparator(Ai,Bi) ? Ai : Bi;
+ }
+ }
+ 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 )
+ {
+ const eT Ai = PA.at(row,col,slice);
+ const eT Bi = PB.at(row,col,slice);
+
+ *out_mem = comparator(Ai,Bi) ? Ai : Bi;
+
+ ++out_mem;
+ }
+ }
+ }
+
+
+
+//! @}