104 lines
2.3 KiB
C++
104 lines
2.3 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_expmat
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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_blas_real<typename T1::pod_type>::value,
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const Op<T1,op_expmat>
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>::result
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expmat(const Base<typename T1::elem_type,T1>& A)
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{
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arma_debug_sigprint();
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return Op<T1,op_expmat>(A.get_ref());
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}
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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_blas_real<typename T1::pod_type>::value,
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bool
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>::result
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expmat(Mat<typename T1::elem_type>& B, const Base<typename T1::elem_type,T1>& A)
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{
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arma_debug_sigprint();
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const bool status = op_expmat::apply_direct(B, A);
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if(status == false)
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{
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B.soft_reset();
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arma_warn(3, "expmat(): given matrix appears ill-conditioned");
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}
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return status;
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}
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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_supported_blas_type<typename T1::elem_type>::value, const Op<T1, op_expmat_sym> >::result
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expmat_sym(const Base<typename T1::elem_type,T1>& X)
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{
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arma_debug_sigprint();
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return Op<T1, op_expmat_sym>(X.get_ref());
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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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expmat_sym(Mat<typename T1::elem_type>& Y, const Base<typename T1::elem_type,T1>& X)
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{
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arma_debug_sigprint();
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const bool status = op_expmat_sym::apply_direct(Y, X.get_ref());
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if(status == false)
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{
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Y.soft_reset();
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arma_warn(3, "expmat_sym(): transformation failed");
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}
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return status;
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}
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//! @}
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