92 lines
1.9 KiB
C++
92 lines
1.9 KiB
C++
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// Copyright (C) 2011-2012 National ICT Australia (NICTA)
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// -------------------------------------------------------------------
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//
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// Written by Conrad Sanderson - http://conradsanderson.id.au
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//! \addtogroup fn_strans
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//! @{
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template<typename T1>
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arma_inline
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const Op<T1, op_strans>
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strans
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(
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const T1& X,
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const typename enable_if< is_arma_type<T1>::value == true >::result* junk1 = 0,
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const typename arma_cx_only<typename T1::elem_type>::result* junk2 = 0
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)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk1);
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arma_ignore(junk2);
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return Op<T1, op_strans>(X);
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}
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// NOTE: for non-complex objects, deliberately returning op_htrans instead of op_strans,
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// NOTE: due to currently more optimisations available when using op_htrans, especially by glue_times
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template<typename T1>
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arma_inline
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const Op<T1, op_htrans>
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strans
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(
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const T1& X,
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const typename enable_if< is_arma_type<T1>::value == true >::result* junk1 = 0,
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const typename arma_not_cx<typename T1::elem_type>::result* junk2 = 0
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)
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{
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arma_extra_debug_sigprint();
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arma_ignore(junk1);
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arma_ignore(junk2);
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return Op<T1, op_htrans>(X);
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}
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//! two consecutive transpose operations cancel each other
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template<typename T1>
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arma_inline
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const T1&
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strans(const Op<T1, op_strans>& X)
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{
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arma_extra_debug_sigprint();
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arma_extra_debug_print("strans(): removing op_strans");
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return X.m;
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}
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//
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// handling of sparse matrices
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template<typename T1>
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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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const SpOp<T1,spop_strans>
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>::result
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strans(const T1& x)
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{
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arma_extra_debug_sigprint();
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return SpOp<T1,spop_strans>(x);
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}
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//! @}
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