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itkFFTWCommonExtended.h
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itkFFTWCommonExtended.h
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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* 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.
*
*=========================================================================*/
#ifndef itkFFTWCommonExtended_h
#define itkFFTWCommonExtended_h
#if defined(ITK_USE_FFTWF) || defined(ITK_USE_FFTWD)
# if defined(ITK_USE_CUFFTW)
# include "cufftw.h"
# else
# include "itkFFTWGlobalConfiguration.h"
# include "fftw3.h"
# endif
#endif
#include <mutex>
namespace itk
{
namespace fftw
{
/**
* \class Interface
* \brief Wrapper for FFTW API
*
* \ingroup Ultrasound
*/
template <typename TPixel>
class ComplexToComplexProxy
{
// empty -- only double and float specializations work
protected:
ComplexToComplexProxy() = default;
~ComplexToComplexProxy() = default;
};
#if defined(ITK_USE_FFTWF)
template <>
class ComplexToComplexProxy<float>
{
public:
using PixelType = float;
using ComplexType = fftwf_complex;
using PlanType = fftwf_plan;
using Self = ComplexToComplexProxy<float>;
static PlanType
Plan_dft_c2r_1d(int n, ComplexType * in, PixelType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftwf_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftwf_plan_dft_c2r_1d(n, in, out, flags);
return plan;
}
static PlanType
Plan_dft_c2r_2d(int nx, int ny, ComplexType * in, PixelType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftwf_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftwf_plan_dft_c2r_2d(nx, ny, in, out, flags);
return plan;
}
static PlanType
Plan_dft_c2r_3d(int nx, int ny, int nz, ComplexType * in, PixelType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftwf_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftwf_plan_dft_c2r_3d(nx, ny, nz, in, out, flags);
return plan;
}
static PlanType
Plan_dft_c2r(int rank, const int * n, ComplexType * in, PixelType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftwf_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftwf_plan_dft_c2r(rank, n, in, out, flags);
return plan;
}
static PlanType
Plan_dft_r2c_1d(int n, PixelType * in, ComplexType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftwf_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftwf_plan_dft_r2c_1d(n, in, out, flags);
return plan;
}
static PlanType
Plan_dft_r2c_2d(int nx, int ny, PixelType * in, ComplexType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftwf_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftwf_plan_dft_r2c_2d(nx, ny, in, out, flags);
return plan;
}
static PlanType
Plan_dft_r2c_3d(int nx, int ny, int nz, PixelType * in, ComplexType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftwf_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftwf_plan_dft_r2c_3d(nx, ny, nz, in, out, flags);
return plan;
}
static PlanType
Plan_dft_r2c(int rank, const int * n, PixelType * in, ComplexType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftwf_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftwf_plan_dft_r2c(rank, n, in, out, flags);
return plan;
}
static PlanType
Plan_dft_1d(const int n, ComplexType * in, ComplexType * out, int sign, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftwf_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftwf_plan_dft_1d(n, in, out, sign, flags);
return plan;
}
static void
Execute(PlanType p)
{
fftwf_execute(p);
}
static void
DestroyPlan(PlanType p)
{
fftwf_destroy_plan(p);
}
};
#endif // USE_FFTWF
#if defined(ITK_USE_FFTWD)
template <>
class ComplexToComplexProxy<double>
{
public:
using PixelType = double;
using ComplexType = fftw_complex;
using PlanType = fftw_plan;
using Self = ComplexToComplexProxy<double>;
static PlanType
Plan_dft_c2r_1d(int n, ComplexType * in, PixelType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftw_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftw_plan_dft_c2r_1d(n, in, out, flags);
return plan;
}
static PlanType
Plan_dft_c2r_2d(int nx, int ny, ComplexType * in, PixelType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftw_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftw_plan_dft_c2r_2d(nx, ny, in, out, flags);
return plan;
}
static PlanType
Plan_dft_c2r_3d(int nx, int ny, int nz, ComplexType * in, PixelType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftw_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftw_plan_dft_c2r_3d(nx, ny, nz, in, out, flags);
return plan;
}
static PlanType
Plan_dft_c2r(int rank, const int * n, ComplexType * in, PixelType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftw_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftw_plan_dft_c2r(rank, n, in, out, flags);
return plan;
}
static PlanType
Plan_dft_r2c_1d(int n, PixelType * in, ComplexType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftw_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftw_plan_dft_r2c_1d(n, in, out, flags);
return plan;
}
static PlanType
Plan_dft_r2c_2d(int nx, int ny, PixelType * in, ComplexType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftw_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftw_plan_dft_r2c_2d(nx, ny, in, out, flags);
return plan;
}
static PlanType
Plan_dft_r2c_3d(int nx, int ny, int nz, PixelType * in, ComplexType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftw_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftw_plan_dft_r2c_3d(nx, ny, nz, in, out, flags);
return plan;
}
static PlanType
Plan_dft_r2c(int rank, const int * n, PixelType * in, ComplexType * out, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftw_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftw_plan_dft_r2c(rank, n, in, out, flags);
return plan;
}
static PlanType
Plan_dft_1d(const int n, ComplexType * in, ComplexType * out, int sign, unsigned flags, int threads = 1)
{
# ifndef ITK_USE_CUFFTW
std::lock_guard<FFTWGlobalConfiguration::MutexType> lock(FFTWGlobalConfiguration::GetLockMutex());
fftw_plan_with_nthreads(threads);
# else
(void)threads;
# endif
PlanType plan = fftw_plan_dft_1d(n, in, out, sign, flags);
return plan;
}
static void
Execute(PlanType p)
{
fftw_execute(p);
}
static void
DestroyPlan(PlanType p)
{
fftw_destroy_plan(p);
}
};
#endif
} // namespace fftw
} // namespace itk
#endif