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// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
// Copyright 2008-2016 National ICT Australia (NICTA)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------
#if defined(ARMA_USE_FFTW3)
namespace fftw3
{
template<typename eT>
arma_inline
void_ptr
plan_dft_1d(int N, eT* input, eT* output, int fftw3_sign, unsigned int fftw3_flags)
{
arma_type_check((is_cx<eT>::value == false));
if(is_cx_float<eT>::value)
{
return fftwf_plan_dft_1d(N, (cx_float*)input, (cx_float*)output, fftw3_sign, fftw3_flags);
}
else
if(is_cx_double<eT>::value)
{
return fftw_plan_dft_1d(N, (cx_double*)input, (cx_double*)output, fftw3_sign, fftw3_flags);
}
return nullptr;
}
template<typename eT>
arma_inline
void
execute(void_ptr plan)
{
arma_type_check((is_cx<eT>::value == false));
if(is_cx_float<eT>::value)
{
fftwf_execute(plan);
}
else
if(is_cx_double<eT>::value)
{
fftw_execute(plan);
}
}
template<typename eT>
arma_inline
void
destroy_plan(void_ptr plan)
{
arma_type_check((is_cx<eT>::value == false));
if(is_cx_float<eT>::value)
{
fftwf_destroy_plan(plan);
}
else
if(is_cx_double<eT>::value)
{
fftw_destroy_plan(plan);
}
}
template<typename eT>
arma_inline
void
cleanup()
{
arma_type_check((is_cx<eT>::value == false));
if(is_cx_float<eT>::value)
{
fftwf_cleanup();
}
else
if(is_cx_double<eT>::value)
{
fftw_cleanup();
}
}
}
#endif
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