Eigen::internal::imklfft::imklfft_impl< Scalar_ > Struct Template Reference

#include <ei_imklfft_impl.h>

Public Types
typedef Scalar_	Scalar
typedef std::complex< Scalar >	Complex

Public Member Functions
void	clear ()
void	fwd (Complex *dst, const Complex *src, int nfft)
void	fwd (Complex *dst, const Scalar *src, int nfft)
void	fwd2 (Complex *dst, const Complex *src, int n0, int n1)
void	inv (Complex *dst, const Complex *src, int nfft)
void	inv (Scalar *dst, const Complex *src, int nfft)
void	inv2 (Complex *dst, const Complex *src, int n0, int n1)

Private Member Functions
plan< Scalar > &	get_plan (int nfft, void *dst, const void *src)
plan< Scalar > &	get_plan (int n0, int n1, void *dst, const void *src)

Private Attributes
std::map< int64_t, plan< Scalar > >	m_plans

Member Typedef Documentation

Complex

template<typename Scalar_ >

typedef std::complex<Scalar> Eigen::internal::imklfft::imklfft_impl< Scalar_ >::Complex

Scalar

template<typename Scalar_ >

typedef Scalar_ Eigen::internal::imklfft::imklfft_impl< Scalar_ >::Scalar

Member Function Documentation

clear()

template<typename Scalar_ >

void Eigen::internal::imklfft::imklfft_impl< Scalar_ >::clear ( )

inline

{ m_plans.clear(); }

References Eigen::internal::imklfft::imklfft_impl< Scalar_ >::m_plans.

fwd() [1/2]

template<typename Scalar_ >

void Eigen::internal::imklfft::imklfft_impl< Scalar_ >::fwd ( Complex *  dst, const Complex *  src, int  nfft  )

inline

                                                              {
    MKL_LONG size = nfft;
    get_plan(nfft, dst, src).forward(complex_cast(dst), complex_cast(src), size);
  }

References Eigen::internal::imklfft::complex_cast(), Eigen::internal::imklfft::imklfft_impl< Scalar_ >::get_plan(), and size.

fwd() [2/2]

template<typename Scalar_ >

void Eigen::internal::imklfft::imklfft_impl< Scalar_ >::fwd ( Complex *  dst, const Scalar *  src, int  nfft  )

inline

                                                             {
    MKL_LONG size = nfft;
    get_plan(nfft, dst, src).forward(complex_cast(dst), const_cast<Scalar*>(src), nfft);
  }

References Eigen::internal::imklfft::complex_cast(), Eigen::internal::imklfft::imklfft_impl< Scalar_ >::get_plan(), and size.

fwd2()

template<typename Scalar_ >

void Eigen::internal::imklfft::imklfft_impl< Scalar_ >::fwd2 ( Complex *  dst, const Complex *  src, int  n0, int  n1  )

inline

                                                                     {
    get_plan(n0, n1, dst, src).forward2(complex_cast(dst), complex_cast(src), n0, n1);
  }

References Eigen::internal::imklfft::complex_cast(), and Eigen::internal::imklfft::imklfft_impl< Scalar_ >::get_plan().

get_plan() [1/2]

template<typename Scalar_ >

plan<Scalar>& Eigen::internal::imklfft::imklfft_impl< Scalar_ >::get_plan ( int  n0, int  n1, void *  dst, const void *  src  )

inlineprivate

                                                                            {
    int inplace = (dst == src) ? 1 : 0;
    int aligned = ((reinterpret_cast<size_t>(src) & 15) | (reinterpret_cast<size_t>(dst) & 15)) == 0 ? 1 : 0;
    int64_t key = (((((int64_t)n0) << 31) | (n1 << 2) | (inplace << 1) | aligned) << 1) + 1;
 
    // Create element if key does not exist.
    return m_plans[key];
  }

References inplace(), and Eigen::internal::imklfft::imklfft_impl< Scalar_ >::m_plans.

get_plan() [2/2]

template<typename Scalar_ >

plan<Scalar>& Eigen::internal::imklfft::imklfft_impl< Scalar_ >::get_plan ( int  nfft, void *  dst, const void *  src  )

inlineprivate

                                                                      {
    int inplace = dst == src ? 1 : 0;
    int aligned = ((reinterpret_cast<size_t>(src) & 15) | (reinterpret_cast<size_t>(dst) & 15)) == 0 ? 1 : 0;
    int64_t key = ((nfft << 2) | (inplace << 1) | aligned) << 1;
 
    // Create element if key does not exist.
    return m_plans[key];
  }

References inplace(), and Eigen::internal::imklfft::imklfft_impl< Scalar_ >::m_plans.

Referenced by Eigen::internal::imklfft::imklfft_impl< Scalar_ >::fwd(), Eigen::internal::imklfft::imklfft_impl< Scalar_ >::fwd2(), Eigen::internal::imklfft::imklfft_impl< Scalar_ >::inv(), and Eigen::internal::imklfft::imklfft_impl< Scalar_ >::inv2().

inv() [1/2]

template<typename Scalar_ >

void Eigen::internal::imklfft::imklfft_impl< Scalar_ >::inv ( Complex *  dst, const Complex *  src, int  nfft  )

inline

                                                              {
    MKL_LONG size = nfft;
    get_plan(nfft, dst, src).inverse(complex_cast(dst), complex_cast(src), nfft);
  }

References Eigen::internal::imklfft::complex_cast(), Eigen::internal::imklfft::imklfft_impl< Scalar_ >::get_plan(), and size.

inv() [2/2]

template<typename Scalar_ >

void Eigen::internal::imklfft::imklfft_impl< Scalar_ >::inv ( Scalar *  dst, const Complex *  src, int  nfft  )

inline

                                                             {
    MKL_LONG size = nfft;
    get_plan(nfft, dst, src).inverse(const_cast<Scalar*>(dst), complex_cast(src), nfft);
  }

References Eigen::internal::imklfft::complex_cast(), Eigen::internal::imklfft::imklfft_impl< Scalar_ >::get_plan(), and size.

inv2()

template<typename Scalar_ >

void Eigen::internal::imklfft::imklfft_impl< Scalar_ >::inv2 ( Complex *  dst, const Complex *  src, int  n0, int  n1  )

inline

                                                                     {
    get_plan(n0, n1, dst, src).inverse2(complex_cast(dst), complex_cast(src), n0, n1);
  }

References Eigen::internal::imklfft::complex_cast(), and Eigen::internal::imklfft::imklfft_impl< Scalar_ >::get_plan().

Member Data Documentation

m_plans

template<typename Scalar_ >

std::map<int64_t, plan<Scalar> > Eigen::internal::imklfft::imklfft_impl< Scalar_ >::m_plans

private

Referenced by Eigen::internal::imklfft::imklfft_impl< Scalar_ >::clear(), and Eigen::internal::imklfft::imklfft_impl< Scalar_ >::get_plan().

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

• ei_imklfft_impl.h