102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
// Copyright (C) 2015 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_eig_pair
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//! @{
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template<typename T1, typename T2>
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inline
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typename enable_if2< is_supported_blas_type<typename T1::pod_type>::value, Col< std::complex<typename T1::pod_type> > >::result
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eig_pair
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(
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const Base<typename T1::elem_type, T1>& A_expr,
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const Base<typename T1::elem_type, T2>& B_expr
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)
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{
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arma_extra_debug_sigprint();
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typedef typename T1::pod_type T;
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Col< std::complex<T> > eigvals;
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Mat< std::complex<T> > eigvecs;
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const bool status = auxlib::eig_pair(eigvals, eigvecs, uword(0), A_expr.get_ref(), B_expr.get_ref());
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if(status == false)
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{
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eigvals.reset();
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arma_bad("eig_pair(): decomposition failed");
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}
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return eigvals;
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}
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template<typename T1, typename T2>
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inline
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typename enable_if2< is_supported_blas_type<typename T1::pod_type>::value, bool >::result
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eig_pair
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(
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Col< std::complex<typename T1::pod_type> >& eigvals,
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const Base< typename T1::elem_type, T1 >& A_expr,
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const Base< typename T1::elem_type, T2 >& B_expr
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)
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{
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arma_extra_debug_sigprint();
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typedef typename T1::pod_type T;
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Mat< std::complex<T> > eigvecs;
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const bool status = auxlib::eig_pair(eigvals, eigvecs, uword(0), A_expr.get_ref(), B_expr.get_ref());
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if(status == false)
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{
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eigvals.reset();
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arma_debug_warn("eig_pair(): decomposition failed");
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}
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return status;
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}
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template<typename T1, typename T2>
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inline
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typename enable_if2< is_supported_blas_type<typename T1::pod_type>::value, bool >::result
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eig_pair
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(
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Col< std::complex<typename T1::pod_type> >& eigvals,
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Mat< std::complex<typename T1::pod_type> >& eigvecs,
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const Base< typename T1::elem_type, T1 >& A_expr,
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const Base< typename T1::elem_type, T2 >& B_expr
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)
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{
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arma_extra_debug_sigprint();
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arma_debug_check( (void_ptr(&eigvals) == void_ptr(&eigvecs)), "eig_pair(): parameter 'eigval' is an alias of parameter 'eigvec'" );
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const bool status = auxlib::eig_pair(eigvals, eigvecs, uword(2), A_expr.get_ref(), B_expr.get_ref());
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if(status == false)
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{
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eigvals.reset();
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eigvecs.reset();
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arma_debug_warn("eig_pair(): decomposition failed");
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}
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return status;
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}
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//! @}
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