165 lines
3.1 KiB
C++
165 lines
3.1 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
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// Copyright 2008-2016 National ICT Australia (NICTA)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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//! \addtogroup fn_index_max
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//! @{
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template<typename T1>
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arma_warn_unused
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inline
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typename enable_if2< is_arma_type<T1>::value && resolves_to_vector<T1>::yes, uword>::result
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index_max(const T1& X)
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{
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arma_extra_debug_sigprint();
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return X.index_max();
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}
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template<typename T1>
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arma_warn_unused
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arma_inline
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typename enable_if2< is_arma_type<T1>::value && resolves_to_vector<T1>::no, const mtOp<uword, T1, op_index_max> >::result
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index_max(const T1& X)
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{
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arma_extra_debug_sigprint();
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return mtOp<uword, T1, op_index_max>(X, 0, 0);
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}
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template<typename T1>
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arma_warn_unused
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arma_inline
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typename enable_if2< is_arma_type<T1>::value, const mtOp<uword, T1, op_index_max> >::result
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index_max(const T1& X, const uword dim)
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{
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arma_extra_debug_sigprint();
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return mtOp<uword, T1, op_index_max>(X, dim, 0);
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}
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template<typename T1>
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arma_warn_unused
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arma_inline
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const mtOpCube<uword, T1, op_index_max>
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index_max
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(
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const BaseCube<typename T1::elem_type, T1>& X,
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const uword dim = 0
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)
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{
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arma_extra_debug_sigprint();
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return mtOpCube<uword, T1, op_index_max>(X.get_ref(), dim, 0, 0);
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}
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template<typename T1>
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arma_warn_unused
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inline
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typename
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enable_if2
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<
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is_arma_sparse_type<T1>::value && resolves_to_sparse_vector<T1>::yes,
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typename T1::elem_type
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>::result
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index_max(const T1& x)
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{
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arma_extra_debug_sigprint();
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return x.index_max();
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}
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template<typename T1>
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arma_warn_unused
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inline
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typename
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enable_if2
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<
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is_arma_sparse_type<T1>::value && resolves_to_sparse_vector<T1>::no,
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Mat<uword>
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>::result
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index_max(const T1& X)
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{
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arma_extra_debug_sigprint();
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Mat<uword> out;
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op_index_max::apply(out, X, 0);
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return out;
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}
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template<typename T1>
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arma_warn_unused
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inline
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typename
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enable_if2
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<
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is_arma_sparse_type<T1>::value,
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Mat<uword>
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>::result
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index_max(const T1& X, const uword dim)
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{
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arma_extra_debug_sigprint();
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Mat<uword> out;
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op_index_max::apply(out, X, dim);
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return out;
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}
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arma_warn_unused
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inline
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uword
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index_max(const SizeMat& s)
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{
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return (s.n_rows >= s.n_cols) ? uword(0) : uword(1);
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}
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arma_warn_unused
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inline
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uword
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index_max(const SizeCube& s)
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{
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const uword tmp_val = (s.n_rows >= s.n_cols) ? s.n_rows : s.n_cols;
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const uword tmp_index = (s.n_rows >= s.n_cols) ? uword(0) : uword(1);
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return (tmp_val >= s.n_slices) ? tmp_index : uword(2);
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}
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//! @}
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