109 lines
2.3 KiB
C++
109 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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#if defined(ARMA_USE_FFTW3)
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namespace fftw3
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{
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template<typename eT>
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arma_inline
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void_ptr
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plan_dft_1d(int N, eT* input, eT* output, int fftw3_sign, unsigned int fftw3_flags)
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{
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arma_type_check((is_cx<eT>::value == false));
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if(is_cx_float<eT>::value)
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{
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typedef float cx_T;
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return fftwf_plan_dft_1d(N, (cx_T*)input, (cx_T*)output, fftw3_sign, fftw3_flags);
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}
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else
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if(is_cx_double<eT>::value)
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{
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typedef double cx_T;
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return fftw_plan_dft_1d(N, (cx_T*)input, (cx_T*)output, fftw3_sign, fftw3_flags);
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}
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return nullptr;
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}
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template<typename eT>
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arma_inline
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void
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execute(void_ptr plan)
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{
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arma_type_check((is_cx<eT>::value == false));
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if(is_cx_float<eT>::value)
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{
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fftwf_execute(plan);
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}
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else
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if(is_cx_double<eT>::value)
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{
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fftw_execute(plan);
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}
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}
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template<typename eT>
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arma_inline
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void
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destroy_plan(void_ptr plan)
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{
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arma_type_check((is_cx<eT>::value == false));
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if(is_cx_float<eT>::value)
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{
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fftwf_destroy_plan(plan);
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}
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else
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if(is_cx_double<eT>::value)
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{
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fftw_destroy_plan(plan);
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}
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}
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template<typename eT>
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arma_inline
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void
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cleanup()
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{
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arma_type_check((is_cx<eT>::value == false));
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if(is_cx_float<eT>::value)
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{
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fftwf_cleanup();
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}
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else
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if(is_cx_double<eT>::value)
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{
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fftw_cleanup();
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}
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}
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}
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#endif
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