numerics
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Public Member Functions | Public Attributes | List of all members
backends::opt::FFTPlanImpl Struct Reference

Precomputed twiddle factors + SIMD butterfly execution. More...

#include <impl.hpp>

Public Member Functions

 FFTPlanImpl (int n_, bool inv)
 
void execute (num::CVector &a) const
 

Public Attributes

int n
 
bool invert
 
std::vector< std::vector< num::cplx > > twiddles
 

Detailed Description

Precomputed twiddle factors + SIMD butterfly execution.

Definition at line 142 of file impl.hpp.

Constructor & Destructor Documentation

◆ FFTPlanImpl()

backends::opt::FFTPlanImpl::FFTPlanImpl ( int  n_,
bool  inv 
)
inline

Definition at line 147 of file impl.hpp.

References twiddles.

Member Function Documentation

◆ execute()

void backends::opt::FFTPlanImpl::execute ( num::CVector &  a) const
inline

Definition at line 160 of file impl.hpp.

References backends::seq::bit_reverse(), num::BasicVector< T >::data(), n, and twiddles.

Referenced by backends::opt::fft(), backends::opt::ifft(), backends::opt::irfft(), and backends::opt::rfft().

Member Data Documentation

◆ invert

bool backends::opt::FFTPlanImpl::invert

Definition at line 144 of file impl.hpp.

◆ n

int backends::opt::FFTPlanImpl::n

Definition at line 143 of file impl.hpp.

Referenced by execute().

◆ twiddles

std::vector<std::vector<num::cplx> > backends::opt::FFTPlanImpl::twiddles

Definition at line 145 of file impl.hpp.

Referenced by execute(), and FFTPlanImpl().

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