fschwar4

import finufft
import numpy as np
import scipy.fft as sfft
from numpy.typing import NDArray


def sinc_interpolation(x: NDArray, s: NDArray, u: NDArray) -> NDArray:
            """Whittaker–Shannon or sinc or bandlimited interpolation.

            Args:

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from PyQt5.QtWidgets import QApplication, QMainWindow, QLabel, QVBoxLayout, QPushButton, QWidget
from PyQt5.QtCore import QObject, QRunnable, QThreadPool,pyqtSlot, pyqtSignal

import time
import traceback, sys

class WorkerSignals(QObject):
    '''
    Defines the signals available from a running worker thread.
    Supported signals are: