Eigen::internal::fftw_plan< float > Struct Reference

#include <ei_fftw_impl.h>

Public Types
typedef float	scalar_type
typedef fftwf_complex	complex_type

Public Member Functions
	fftw_plan ()=default
void	set_plan (fftwf_plan p)
void	fwd (complex_type *dst, complex_type *src, int nfft)
void	inv (complex_type *dst, complex_type *src, int nfft)
void	fwd (complex_type *dst, scalar_type *src, int nfft)
void	inv (scalar_type *dst, complex_type *src, int nfft)
void	fwd2 (complex_type *dst, complex_type *src, int n0, int n1)
void	inv2 (complex_type *dst, complex_type *src, int n0, int n1)

Public Attributes
std::shared_ptr< fftwf_plan_s >	m_plan

Member Typedef Documentation

complex_type

typedef fftwf_complex Eigen::internal::fftw_plan< float >::complex_type

scalar_type

typedef float Eigen::internal::fftw_plan< float >::scalar_type

Constructor & Destructor Documentation

fftw_plan()

Eigen::internal::fftw_plan< float >::fftw_plan ( )

default

Member Function Documentation

fwd() [1/2]

void Eigen::internal::fftw_plan< float >::fwd ( complex_type *  dst, complex_type *  src, int  nfft  )

inline

                                                                  {
    if (m_plan == NULL) set_plan(fftwf_plan_dft_1d(nfft, src, dst, FFTW_FORWARD, FFTW_ESTIMATE | FFTW_PRESERVE_INPUT));
    fftwf_execute_dft(m_plan.get(), src, dst);
  }

fwd() [2/2]

void Eigen::internal::fftw_plan< float >::fwd ( complex_type *  dst, scalar_type *  src, int  nfft  )

inline

                                                                 {
    if (m_plan == NULL) set_plan(fftwf_plan_dft_r2c_1d(nfft, src, dst, FFTW_ESTIMATE | FFTW_PRESERVE_INPUT));
    fftwf_execute_dft_r2c(m_plan.get(), src, dst);
  }

fwd2()

void Eigen::internal::fftw_plan< float >::fwd2 ( complex_type *  dst, complex_type *  src, int  n0, int  n1  )

inline

                                                                         {
    if (m_plan == NULL)
      set_plan(fftwf_plan_dft_2d(n0, n1, src, dst, FFTW_FORWARD, FFTW_ESTIMATE | FFTW_PRESERVE_INPUT));
    fftwf_execute_dft(m_plan.get(), src, dst);
  }

inv() [1/2]

void Eigen::internal::fftw_plan< float >::inv ( complex_type *  dst, complex_type *  src, int  nfft  )

inline

                                                                  {
    if (m_plan == NULL) set_plan(fftwf_plan_dft_1d(nfft, src, dst, FFTW_BACKWARD, FFTW_ESTIMATE | FFTW_PRESERVE_INPUT));
    fftwf_execute_dft(m_plan.get(), src, dst);
  }

inv() [2/2]

void Eigen::internal::fftw_plan< float >::inv ( scalar_type *  dst, complex_type *  src, int  nfft  )

inline

                                                                 {
    if (m_plan == NULL) set_plan(fftwf_plan_dft_c2r_1d(nfft, src, dst, FFTW_ESTIMATE | FFTW_PRESERVE_INPUT));
    fftwf_execute_dft_c2r(m_plan.get(), src, dst);
  }

inv2()

void Eigen::internal::fftw_plan< float >::inv2 ( complex_type *  dst, complex_type *  src, int  n0, int  n1  )

inline

                                                                         {
    if (m_plan == NULL)
      set_plan(fftwf_plan_dft_2d(n0, n1, src, dst, FFTW_BACKWARD, FFTW_ESTIMATE | FFTW_PRESERVE_INPUT));
    fftwf_execute_dft(m_plan.get(), src, dst);
  }

set_plan()

void Eigen::internal::fftw_plan< float >::set_plan ( fftwf_plan  p )

inline

{ m_plan.reset(p, fftwf_destroy_plan); }

References p.

Member Data Documentation

m_plan

std::shared_ptr<fftwf_plan_s> Eigen::internal::fftw_plan< float >::m_plan

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The documentation for this struct was generated from the following file:

• ei_fftw_impl.h