def test_buttord_2(self): # Test case for highpass filter self.assertTrue( np.all( IIRDesign.buttord(self.f2, self.f1, self.Rp, self.Rs) == signal.buttord( self.f2, self.f1, self.Rp, self.Rs, analog=False, fs=2)))
def test_buttord_4(self): # Test case for bandstop filter ORD = IIRDesign.buttord(self.f4, self.f3, self.Rp, self.Rs) ord = signal.buttord(self.f4, self.f3, self.Rp, self.Rs, analog=False, fs=2) self.assertTrue((ORD[0] == ord[0]) and (ORD[1] == ord[1]).all())
def test_buttord_6(self): # Test case for Exception with self.assertRaises(ValueError): IIRDesign.buttord(self.f1, self.f2, self.Rp, self.Rs, zs='x')
def test_buttord_5(self): # Test case for analog filter self.assertTrue( np.all( IIRDesign.buttord(60, 75, self.Rp, self.Rs, zs='s') == signal. buttord(60, 75, self.Rp, self.Rs, analog=True, fs=None)))