numpy.fft.pocketfft

Standard library module View source

function ROT90

ROT90(a)

function ROTX90

ROTX90(a, fwd: bool)

function ROTX45

ROTX45(a, fwd: bool)

function ROTX135

ROTX135(a, fwd: bool)

class arr

@tuple

class arr[T]

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Fields 3

p Ptr[T]

sz int

T type

Constructors 1

__new__

__new__(sz: int)

Methods 3

dealloc

dealloc(self)

size

size(self)

data

data(self)

Special methods 2

__getitem__

__getitem__(self, idx: int)

__setitem__

__setitem__(self, idx: int, val: T)

class sincos_2pibyn

@tuple

class sincos_2pibyn[T]

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Fields 6

N int

mask int

shift int

v1 arr[complex]

v2 arr[complex]

T type

Constructors 1

__new__

__new__(n: int)

Methods 3

calc

calc(x: int, n: int, ang: float)

cmplx

cmplx(self, re, im)

dealloc

dealloc(self)

Special methods 1

__getitem__

__getitem__(self, idx: int)

function PM

PM(a, b)

function MP

MP(a, b)

class fctdata

@tuple

class fctdata[T]

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Fields 4

fct int

tw Ptr[T]

tws Ptr[T]

T type

Methods 3

with_fct

with_fct(self, fct: int)

with_tw

with_tw(self, tw: Ptr[T])

with_tws

with_tws(self, tws: Ptr[T])

class cfftp

class cfftp[T, T0]

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Fields 5

length int

mem arr[T]

fact List[fctdata[T]]

T type

T0 type

Constructors 1

__init__

__init__(self, length: int)

Methods 15

add_factor

add_factor(self, factor: int)

pass2

pass2(ido: int, l1: int, cc: Ptr[T], ch: Ptr[T], wa: Ptr[T], fwd: bool)

pass3

pass3(ido: int, l1: int, cc: Ptr[T], ch: Ptr[T], wa: Ptr[T], fwd: bool)

pass4

pass4(ido: int, l1: int, cc: Ptr[T], ch: Ptr[T], wa: Ptr[T], fwd: bool)

pass5

pass5(ido: int, l1: int, cc: Ptr[T], ch: Ptr[T], wa: Ptr[T], fwd: bool)

pass7

pass7(ido: int, l1: int, cc: Ptr[T], ch: Ptr[T], wa: Ptr[T], fwd: bool)

pass8

pass8(ido: int, l1: int, cc: Ptr[T], ch: Ptr[T], wa: Ptr[T], fwd: bool)

pass11

pass11(ido: int, l1: int, cc: Ptr[T], ch: Ptr[T], wa: Ptr[T], fwd: bool)

passg

passg(ido: int, ip: int, l1: int, cc: Ptr[T], ch: Ptr[T], wa: Ptr[T], csarr: Ptr[T], fwd: bool)

pass_all

pass_all(self, c: Ptr[T], fct: T0, fwd: bool)

exec

exec(self, c: Ptr[T], fct: T0, fwd: bool)

factorize

factorize(self)

twsize

twsize(self)

comp_twiddle

comp_twiddle(self)

dealloc

dealloc(self)

function MULPM

MULPM(c, d, e, f)

function REARRANGE

REARRANGE(rx, ix, ry, iy)

class rfftp

class rfftp[T, T0]

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Fields 5

length int

mem arr[T0]

fact List[fctdata[T0]]

T type

T0 type

Constructors 1

__init__

__init__(self, length: int)

Methods 17

add_factor

add_factor(self, factor: int)

radf2

radf2(ido: int, l1: int, cc: Ptr[T0], ch: Ptr[T0], wa: Ptr[T0])

radf3

radf3(ido: int, l1: int, cc: Ptr[T0], ch: Ptr[T0], wa: Ptr[T0])

radf4

radf4(ido: int, l1: int, cc: Ptr[T0], ch: Ptr[T0], wa: Ptr[T0])

radf5

radf5(ido: int, l1: int, cc: Ptr[T0], ch: Ptr[T0], wa: Ptr[T0])

radfg

radfg(ido: int, ip: int, l1: int, cc: Ptr[T0], ch: Ptr[T0], wa: Ptr[T0], csarr: Ptr[T0])

radb2

radb2(ido: int, l1: int, cc: Ptr[T0], ch: Ptr[T0], wa: Ptr[T0])

radb3

radb3(ido: int, l1: int, cc: Ptr[T0], ch: Ptr[T0], wa: Ptr[T0])

radb4

radb4(ido: int, l1: int, cc: Ptr[T0], ch: Ptr[T0], wa: Ptr[T0])

radb5

radb5(ido: int, l1: int, cc: Ptr[T0], ch: Ptr[T0], wa: Ptr[T0])

radbg

radbg(ido: int, ip: int, l1: int, cc: Ptr[T0], ch: Ptr[T0], wa: Ptr[T0], csarr: Ptr[T0])

copy_and_norm

copy_and_norm(self, c: Ptr[T0], p1: Ptr[T0], fct: T0)

exec

exec(self, c: Ptr[T0], fct: T0, r2hc: bool)

factorize

factorize(self)

twsize

twsize(self)

comp_twiddle

comp_twiddle(self)

dealloc

dealloc(self)

class fftblue

class fftblue[T, T0]

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Fields 8

n int

n2 int

plan cfftp[T, T0]

mem arr[T]

bk Ptr[T]

bkf Ptr[T]

T type

T0 type

Constructors 1

__init__

__init__(self, length: int)

Methods 4

fft

fft(self, c: Ptr[T], fct: T0, fwd: bool)

exec

exec(self, c: Ptr[T], fct: T0, fwd: bool)

exec_r

exec_r(self, c: Ptr[T0], fct: T0, fwd: bool)

dealloc

dealloc(self)

class pocketfft_c

class pocketfft_c[T, T0]

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Fields 5

packplan Optional[cfftp[T, T0]]

blueplan Optional[fftblue[T, T0]]

length int

T type

T0 type

Constructors 1

__init__

__init__(self, length: int)

Methods 1

exec

exec(self, c: Ptr[T], fct: T0, fwd: bool)

class pocketfft_r

class pocketfft_r[T, T0]

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Fields 5

packplan Optional[rfftp[T, T0]]

blueplan Optional[fftblue[T, T0]]

length int

T type

T0 type

Constructors 1

__init__

__init__(self, length: int)

Methods 1

exec

exec(self, c: Ptr[T0], fct: T0, fwd: bool)

function fft

fft(v: Ptr[T], n: int, norm: Optional[str], T: type)

function ifft

ifft(v: Ptr[T], n: int, norm: Optional[str], T: type)

function rfft

rfft(v: Ptr[T0], n: int, is_forward: bool, norm: Optional[str], o: Ptr[T], T: type, T0: type)

function irfft

irfft(v: Ptr[T], n: int, norm: Optional[str], o: Ptr[T0], T: type, T0: type)