Exemplo n.º 1
0
    def testStandardFFT(self):
        t = ones((10, 20, 30), chunk_size=(3, 20, 30))

        t1 = fft.fft(t)
        self.assertEqual(t1.shape, (10, 20, 30))
        self.assertEqual(calc_shape(t1), t1.shape)
        t1.tiles()
        self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
        self.assertEqual(calc_shape(t1.chunks[0]), t1.chunks[0].shape)

        t = ones((10, 20, 30), chunk_size=(3, 20, 30))

        t1 = fft.ifft(t)
        self.assertEqual(t1.shape, (10, 20, 30))
        self.assertEqual(calc_shape(t1), t1.shape)
        t1.tiles()
        self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
        self.assertEqual(calc_shape(t1.chunks[0]), t1.chunks[0].shape)

        t = ones((10, 20, 30), chunk_size=(3, 20, 30))

        t1 = fft.fft2(t, s=(23, 21))
        self.assertEqual(calc_shape(t1), t1.shape)
        self.assertEqual(t1.shape, (10, 23, 21))
        t1.tiles()
        self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
        self.assertEqual(calc_shape(t1.chunks[0]), t1.chunks[0].shape)

        t = ones((10, 20, 30), chunk_size=(3, 20, 30))

        t1 = fft.ifft2(t, s=(11, 9), axes=(1, 2))
        self.assertEqual(calc_shape(t1), t1.shape)
        self.assertEqual(t1.shape, (10, 11, 9))
        t1.tiles()
        self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
        self.assertEqual(calc_shape(t1.chunks[0]), t1.chunks[0].shape)

        t = ones((10, 20, 30), chunk_size=(3, 20, 30))

        t1 = fft.fftn(t, s=(11, 9), axes=(1, 2))
        self.assertEqual(calc_shape(t1), t1.shape)
        self.assertEqual(t1.shape, (10, 11, 9))
        t1.tiles()
        self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
        self.assertEqual(calc_shape(t1.chunks[0]), t1.chunks[0].shape)

        t = ones((10, 20, 30), chunk_size=(3, 20, 30))

        t1 = fft.ifftn(t, s=(11, 9), axes=(1, 2))
        self.assertEqual(calc_shape(t1), t1.shape)
        self.assertEqual(t1.shape, (10, 11, 9))
        t1.tiles()
        self.assertEqual(t1.shape, tuple(sum(ns) for ns in t1.nsplits))
        self.assertEqual(calc_shape(t1.chunks[0]), t1.chunks[0].shape)
Exemplo n.º 2
0
def test_standard_fft():
    t = ones((10, 20, 30), chunk_size=(3, 20, 30))

    t1 = fft(t)
    assert t1.shape == (10, 20, 30)
    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 = ifft(t)
    assert t1.shape == (10, 20, 30)
    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 = fft2(t, s=(23, 21))
    assert t1.shape == (10, 23, 21)
    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 = ifft2(t, s=(11, 9), axes=(1, 2))
    assert t1.shape == (10, 11, 9)
    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 = fftn(t, s=(11, 9), axes=(1, 2))
    assert t1.shape == (10, 11, 9)
    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 = ifftn(t, s=(11, 9), axes=(1, 2))
    assert t1.shape == (10, 11, 9)
    t1 = tile(t1)
    assert t1.shape == tuple(sum(ns) for ns in t1.nsplits)
Exemplo n.º 3
0
def test_fft_execution(setup):
    raw = np.random.rand(10, 20, 30)
    t = tensor(raw, chunk_size=(8, 8, 30))

    r = fft(t)
    res = r.execute().fetch()
    expected = np.fft.fft(raw)
    np.testing.assert_allclose(res, expected)

    r = fft(t, norm='ortho')
    res = r.execute().fetch()
    expected = np.fft.fft(raw, norm='ortho')
    np.testing.assert_allclose(res, expected)

    r = fft(t, n=11)
    res = r.execute().fetch()
    expected = np.fft.fft(raw, n=11)
    np.testing.assert_allclose(res, expected)

    raw = np.random.rand(10, 20, 30)
    t = tensor(raw, chunk_size=(8, 8, 8))

    r = fft(t)
    res = r.execute().fetch()
    expected = np.fft.fft(raw)
    np.testing.assert_allclose(res, expected)

    r = fft(t, norm='ortho')
    res = r.execute().fetch()
    expected = np.fft.fft(raw, norm='ortho')
    np.testing.assert_allclose(res, expected)

    r = fft(t, n=11)
    res = r.execute().fetch()
    expected = np.fft.fft(raw, n=11)
    np.testing.assert_allclose(res, expected)
Exemplo n.º 4
0
    def testFFTExecution(self):
        raw = np.random.rand(10, 20, 30)
        t = tensor(raw, chunk_size=(4, 4, 30))

        r = fft(t)
        res = self.executor.execute_tensor(r, concat=True)[0]
        expected = np.fft.fft(raw)
        np.testing.assert_allclose(res, expected)

        r = fft(t, norm='ortho')
        res = self.executor.execute_tensor(r, concat=True)[0]
        expected = np.fft.fft(raw, norm='ortho')
        np.testing.assert_allclose(res, expected)

        r = fft(t, n=11)
        res = self.executor.execute_tensor(r, concat=True)[0]
        expected = np.fft.fft(raw, n=11)
        np.testing.assert_allclose(res, expected)

        raw = np.random.rand(10, 20, 30)
        t = tensor(raw, chunk_size=(4, 4, 4))

        r = fft(t)
        res = self.executor.execute_tensor(r, concat=True)[0]
        expected = np.fft.fft(raw)
        np.testing.assert_allclose(res, expected)

        r = fft(t, norm='ortho')
        res = self.executor.execute_tensor(r, concat=True)[0]
        expected = np.fft.fft(raw, norm='ortho')
        np.testing.assert_allclose(res, expected)

        r = fft(t, n=11)
        res = self.executor.execute_tensor(r, concat=True)[0]
        expected = np.fft.fft(raw, n=11)
        np.testing.assert_allclose(res, expected)