Python fft Examples

Example #1

File: test_pyfftw_basics.py Project: sjpet/planfftw

 def test_fft_pair_cropped(self):
     my_fft, my_ifft = fft(self.x, nfft=32, fft_pair=True, crop_ifft=True)
     x_fft = my_fft(self.x)
     assert_array_almost_equal(my_ifft(x_fft), self.x)

Example #2

File: test_pyfftw_basics.py Project: sjpet/planfftw

 def test_fft_2d_nfft(self):     # No additional coverage for this, keep?
     my_fft = fft(self.x2, nfft=32)
     assert_array_almost_equal(my_fft(self.x2), np.fft.fft(self.x2, n=32))

Example #3

File: test_pyfftw_basics.py Project: sjpet/planfftw

 def test_fft_pair(self):
     my_fft, my_ifft = fft(self.x, nfft=32, fft_pair=True)
     x_fft = my_fft(self.x)
     assert_array_almost_equal(my_ifft(x_fft), pad_array(self.x, (32,)))

Example #4

File: test_pyfftw_basics.py Project: sjpet/planfftw

 def test_fft_2d_default(self):
     my_fft = fft(self.x2)
     assert_array_almost_equal(my_fft(self.x2), np.fft.fft(self.x2))

Example #5

File: test_pyfftw_basics.py Project: sjpet/planfftw

 def test_fft_2d_axis(self):
     my_fft = fft(self.x2, axis=0)
     assert_array_almost_equal(my_fft(self.x2), np.fft.fft(self.x2, axis=0))

Example #6

File: test_pyfftw_basics.py Project: sjpet/planfftw

 def test_fft_nfft(self):
     my_fft = fft(self.x, nfft=32)
     assert_array_almost_equal(my_fft(self.x), np.fft.fft(self.x, n=32))

Example #7

File: test_pyfftw_basics.py Project: sjpet/planfftw

 def test_fft_nfft_small(self):
     my_fft = fft(self.x, nfft=7)
     assert_array_almost_equal(my_fft(self.x), np.fft.fft(self.x, n=7))

Example #8

 def test_fft_2d_nfft(self):  # No additional coverage for this, keep?
     my_fft = fft(self.x2, nfft=32)
     assert_array_almost_equal(my_fft(self.x2), np.fft.fft(self.x2, n=32))

Example #9

File: test_pyfftw_basics.py Project: sjpet/planfftw

 def test_fft_1d(self):
     my_fft = fft(self.x)
     assert_array_almost_equal(my_fft(self.x), np.fft.fft(self.x))

Example #10

 def test_fft_2d_axis(self):
     my_fft = fft(self.x2, axis=0)
     assert_array_almost_equal(my_fft(self.x2), np.fft.fft(self.x2, axis=0))

Example #11

 def test_fft_2d_default(self):
     my_fft = fft(self.x2)
     assert_array_almost_equal(my_fft(self.x2), np.fft.fft(self.x2))

Example #12

 def test_fft_nfft_small(self):
     my_fft = fft(self.x, nfft=7)
     assert_array_almost_equal(my_fft(self.x), np.fft.fft(self.x, n=7))

Example #13

 def test_fft_nfft(self):
     my_fft = fft(self.x, nfft=32)
     assert_array_almost_equal(my_fft(self.x), np.fft.fft(self.x, n=32))

Example #14

 def test_fft_1d(self):
     my_fft = fft(self.x)
     assert_array_almost_equal(my_fft(self.x), np.fft.fft(self.x))