def test_rfft_execution(setup):
raw = np.random.rand(10, 20, 30)
t = tensor(raw, chunk_size=(8, 8, 30))
r = rfft(t)
res = r.execute().fetch()
expected = np.fft.rfft(raw)
np.testing.assert_allclose(res, expected)
r = rfft(t, norm='ortho')
res = r.execute().fetch()
expected = np.fft.rfft(raw, norm='ortho')
np.testing.assert_allclose(res, expected)
r = rfft(t, n=11)
res = r.execute().fetch()
expected = np.fft.rfft(raw, n=11)
np.testing.assert_allclose(res, expected)
def testRFFTExecution(self):
raw = np.random.rand(10, 20, 30)
t = tensor(raw, chunk_size=(4, 4, 30))
r = rfft(t)
res = self.executor.execute_tensor(r, concat=True)[0]
expected = np.fft.rfft(raw)
np.testing.assert_allclose(res, expected)
r = rfft(t, norm='ortho')
res = self.executor.execute_tensor(r, concat=True)[0]
expected = np.fft.rfft(raw, norm='ortho')
np.testing.assert_allclose(res, expected)
r = rfft(t, n=11)
res = self.executor.execute_tensor(r, concat=True)[0]
expected = np.fft.rfft(raw, n=11)
np.testing.assert_allclose(res, expected)
def testRealFFT(self):
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = rfft(t)
self.assertEqual(t1.shape, np.fft.rfft(np.ones(t.shape)).shape)
t1.tiles()
self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = irfft(t)
self.assertEqual(t1.shape, np.fft.irfft(np.ones(t.shape)).shape)
t1.tiles()
self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = rfft2(t, s=(23, 21))
self.assertEqual(t1.shape,
np.fft.rfft2(np.ones(t.shape), s=(23, 21)).shape)
t1.tiles()
self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = irfft2(t, s=(11, 9), axes=(1, 2))
self.assertEqual(
t1.shape,
np.fft.irfft2(np.ones(t.shape), s=(11, 9), axes=(1, 2)).shape)
t1.tiles()
self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = rfftn(t, s=(11, 30), axes=(1, 2))
self.assertEqual(
t1.shape,
np.fft.rfftn(np.ones(t.shape), s=(11, 30), axes=(1, 2)).shape)
t1.tiles()
self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = irfftn(t, s=(11, 9), axes=(1, 2))
self.assertEqual(
t1.shape,
np.fft.irfftn(np.ones(t.shape), s=(11, 9), axes=(1, 2)).shape)
t1.tiles()
self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
def test_real_fft():
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = rfft(t)
assert t1.shape == np.fft.rfft(np.ones(t.shape)).shape
t1 = tile(t1)
assert t1.shape == tuple(sum(ns) for ns in t1.nsplits)
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = irfft(t)
assert t1.shape == np.fft.irfft(np.ones(t.shape)).shape
t1 = tile(t1)
assert t1.shape == tuple(sum(ns) for ns in t1.nsplits)
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = rfft2(t, s=(23, 21))
assert t1.shape == np.fft.rfft2(np.ones(t.shape), s=(23, 21)).shape
t1 = tile(t1)
assert t1.shape == tuple(sum(ns) for ns in t1.nsplits)
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = irfft2(t, s=(11, 9), axes=(1, 2))
assert t1.shape == np.fft.irfft2(np.ones(t.shape), s=(11, 9),
axes=(1, 2)).shape
t1 = tile(t1)
assert t1.shape == tuple(sum(ns) for ns in t1.nsplits)
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = rfftn(t, s=(11, 30), axes=(1, 2))
assert t1.shape == np.fft.rfftn(np.ones(t.shape), s=(11, 30),
axes=(1, 2)).shape
t1 = tile(t1)
assert t1.shape == tuple(sum(ns) for ns in t1.nsplits)
t = ones((10, 20, 30), chunk_size=(3, 20, 30))
t1 = irfftn(t, s=(11, 9), axes=(1, 2))
assert t1.shape == np.fft.irfftn(np.ones(t.shape), s=(11, 9),
axes=(1, 2)).shape
t1 = tile(t1)
assert t1.shape == tuple(sum(ns) for ns in t1.nsplits)