77 lines
1.9 KiB
C++
77 lines
1.9 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 op_find_unique
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//! @{
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class op_find_unique
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: public traits_op_col
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{
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public:
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template<typename T1>
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static inline bool apply_helper(Mat<uword>& out, const Proxy<T1>& P, const bool ascending_indices);
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template<typename T1>
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static inline void apply(Mat<uword>& out, const mtOp<uword,T1,op_find_unique>& in);
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};
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template<typename eT>
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struct arma_find_unique_packet
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{
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eT val;
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uword index;
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};
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template<typename eT>
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struct arma_find_unique_comparator
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{
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arma_inline
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bool
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operator() (const arma_find_unique_packet<eT>& A, const arma_find_unique_packet<eT>& B) const
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{
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return (A.val < B.val);
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}
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};
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template<typename T>
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struct arma_find_unique_comparator< std::complex<T> >
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{
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arma_inline
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bool
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operator() (const arma_find_unique_packet< std::complex<T> >& A, const arma_find_unique_packet< std::complex<T> >& B) const
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{
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const T A_real = A.val.real();
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const T B_real = B.val.real();
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return ( (A_real < B_real) ? true : ((A_real == B_real) ? (A.val.imag() < B.val.imag()) : false) );
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}
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};
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//! @}
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