| Server IP : 217.160.0.135 / Your IP : 216.73.217.85 Web Server : Apache System : Linux www 6.18.52-i1-ampere #1203 SMP Mon Sep 14 18:29:59 CEST 2026 aarch64 User : sws1074145052 ( 1074145052) PHP Version : 8.3.32 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /lib/python3/dist-packages/scipy/fft/__pycache__/ |
Upload File : |
�
d�c�
� � � d Z ddlmZmZmZmZmZmZmZm Z m
Z
m Z m Z m
Z
mZmZmZmZmZmZ ddlmZmZmZmZmZmZmZm Z ddl m Z ddl m Z m!Z! ddl"m#Z# ddl$m%Z%m&Z&m'Z'm(Z( dd l)m*Z*m+Z+m,Z,m-Z- dd
l.m/Z/m0Z0 g d �Z1dd l2m3Z3 e3e4� � Z5[3d
S )at
==============================================
Discrete Fourier transforms (:mod:`scipy.fft`)
==============================================
.. currentmodule:: scipy.fft
Fast Fourier Transforms (FFTs)
==============================
.. autosummary::
:toctree: generated/
fft - Fast (discrete) Fourier Transform (FFT)
ifft - Inverse FFT
fft2 - 2-D FFT
ifft2 - 2-D inverse FFT
fftn - N-D FFT
ifftn - N-D inverse FFT
rfft - FFT of strictly real-valued sequence
irfft - Inverse of rfft
rfft2 - 2-D FFT of real sequence
irfft2 - Inverse of rfft2
rfftn - N-D FFT of real sequence
irfftn - Inverse of rfftn
hfft - FFT of a Hermitian sequence (real spectrum)
ihfft - Inverse of hfft
hfft2 - 2-D FFT of a Hermitian sequence
ihfft2 - Inverse of hfft2
hfftn - N-D FFT of a Hermitian sequence
ihfftn - Inverse of hfftn
Discrete Sin and Cosine Transforms (DST and DCT)
================================================
.. autosummary::
:toctree: generated/
dct - Discrete cosine transform
idct - Inverse discrete cosine transform
dctn - N-D Discrete cosine transform
idctn - N-D Inverse discrete cosine transform
dst - Discrete sine transform
idst - Inverse discrete sine transform
dstn - N-D Discrete sine transform
idstn - N-D Inverse discrete sine transform
Fast Hankel Transforms
======================
.. autosummary::
:toctree: generated/
fht - Fast Hankel transform
ifht - Inverse of fht
Helper functions
================
.. autosummary::
:toctree: generated/
fftshift - Shift the zero-frequency component to the center of the spectrum
ifftshift - The inverse of `fftshift`
fftfreq - Return the Discrete Fourier Transform sample frequencies
rfftfreq - DFT sample frequencies (for usage with rfft, irfft)
fhtoffset - Compute an optimal offset for the Fast Hankel Transform
next_fast_len - Find the optimal length to zero-pad an FFT for speed
set_workers - Context manager to set default number of workers
get_workers - Get the current default number of workers
Backend control
===============
.. autosummary::
:toctree: generated/
set_backend - Context manager to set the backend within a fixed scope
skip_backend - Context manager to skip a backend within a fixed scope
set_global_backend - Sets the global fft backend
register_backend - Register a backend for permanent use
� )�fft�ifft�fft2�ifft2�fftn�ifftn�rfft�irfft�rfft2�irfft2�rfftn�irfftn�hfft�ihfft�hfft2�ihfft2�hfftn�ihfftn)�dct�idct�dst�idst�dctn�idctn�dstn�idstn)� fhtoffset)�fht�ifht)�
next_fast_len)� set_backend� skip_backend�set_global_backend�register_backend� )�fftfreq�rfftfreq�fftshift� ifftshift)� set_workers� get_workers)(r r r r r r r r
r r r
r r r r r r r r& r' r( r) r r r r r r r r r r r r r! r" r# r$ r+ r* )� PytestTesterN)6�__doc__�_basicr r r r r r r r
r r r
r r r r r r r �_realtransformsr r r r r r r r �_fftlogr �_fftlog_multimethodsr r �_helperr �_backendr! r" r# r$ � numpy.fftr& r' r( r) �_pocketfft.helperr* r+ �__all__�scipy._lib._testutilsr, �__name__�test� � �4/usr/lib/python3/dist-packages/scipy/fft/__init__.py�<module>r= s ��R� R�h/� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� /� L� K� K� K� K� K� K� K� K� K� K� K� K� K� K� K� K� K� K� K� � � � � � � +� +� +� +� +� +� +� +� "� "� "� "� "� "�)� )� )� )� )� )� )� )� )� )� )� )� <� <� <� <� <� <� <� <� <� <� <� <� 7� 7� 7� 7� 7� 7� 7� 7�
"�
"�
"�� /� .� .� .� .� .��|�H� � ���L�Lr;