104 lines
2.5 KiB
C++
104 lines
2.5 KiB
C++
// 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_powmat
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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_supported_blas_type<typename T1::elem_type>::value, const Op<T1,op_powmat> >::result
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powmat(const Base<typename T1::elem_type,T1>& X, const int y)
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{
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arma_extra_debug_sigprint();
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const uword aux_a = (y < int(0)) ? uword(-y) : uword(y);
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const uword aux_b = (y < int(0)) ? uword(1) : uword(0);
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return Op<T1,op_powmat>(X.get_ref(), aux_a, aux_b);
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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_supported_blas_type<typename T1::elem_type>::value, const mtOp<std::complex<typename T1::pod_type>,T1,op_powmat_cx> >::result
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powmat(const Base<typename T1::elem_type,T1>& X, const double y)
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{
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arma_extra_debug_sigprint();
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typedef std::complex<typename T1::pod_type> out_eT;
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return mtOp<out_eT,T1,op_powmat_cx>('j', X.get_ref(), out_eT(y));
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}
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template<typename T1>
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inline
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typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, bool >::result
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powmat
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(
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Mat<typename T1::elem_type>& out,
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const Base<typename T1::elem_type,T1>& X,
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const int y
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)
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{
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arma_extra_debug_sigprint();
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try
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{
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out = powmat(X,y);
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}
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catch(std::runtime_error&)
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{
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return false;
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}
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return true;
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}
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template<typename T1>
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inline
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typename enable_if2< is_supported_blas_type<typename T1::elem_type>::value, bool >::result
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powmat
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(
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Mat< std::complex<typename T1::pod_type> >& out,
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const Base<typename T1::elem_type,T1>& X,
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const double y
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)
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{
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arma_extra_debug_sigprint();
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try
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{
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out = powmat(X,y);
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}
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catch(std::runtime_error&)
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{
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return false;
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}
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return true;
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}
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//! @}
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