def test_pad_2d():
x = np.arange(-1000,1001)
y = np.real(1/(-500 - x - 1j*100))
y = np.vstack((y, y))
assert y.shape[0] == 2
assert y.shape[-1] == x.size
y_pad_edge, window_edge = pad(y, 10, 'edge')
assert np.allclose(y_pad_edge[..., 10:-10], y)
assert np.allclose(y_pad_edge[..., :10], np.dot(y[..., 0:1], np.ones((1, 10))))
assert np.allclose(y_pad_edge[..., -10:], np.dot(y[..., -1:-2:-1], np.ones((1, 10))))
assert np.allclose(window_edge[10:-10], 1)
assert np.allclose(window_edge[:10], 0)
assert np.allclose(window_edge[-10:], 0)
assert np.allclose(y_pad_edge[..., window_edge==1], y)
y_pad_constant, window_constant = pad(y, 10, 'constant')
assert np.allclose(y_pad_constant[..., 10:-10], y)
assert np.allclose(y_pad_constant[..., :10], 0)
assert np.allclose(y_pad_constant[..., -10:], 0)
assert np.allclose(window_constant[10:-10], 1)
assert np.allclose(window_constant[:10], 0)
assert np.allclose(window_constant[-10:], 0)
assert np.allclose(y_pad_constant[..., window_constant==1], y)
def test_pad_1d():
x = np.arange(-1000,1001)
y = np.real(1/(-500 - x - 1j*100))
y_pad_edge, window_edge = pad(y, 10, 'edge')
assert np.allclose(y_pad_edge[10:-10], y)
assert np.allclose(y_pad_edge[:10], y[0])
assert np.allclose(y_pad_edge[-10:], y[-1])
assert np.allclose(window_edge[10:-10], 1)
assert np.allclose(window_edge[:10], 0)
assert np.allclose(window_edge[-10:], 0)
assert np.allclose(y_pad_edge[..., window_edge==1], y)
y_pad_constant, window_constant = pad(y, 10, 'constant')
assert np.allclose(y_pad_constant[10:-10], y)
assert np.allclose(y_pad_constant[:10], 0)
assert np.allclose(y_pad_constant[-10:], 0)
assert np.allclose(window_constant[10:-10], 1)
assert np.allclose(window_constant[:10], 0)
assert np.allclose(window_constant[-10:], 0)
assert np.allclose(y_pad_constant[..., window_constant==1], y)
def test_pad_1d_0_width():
x = np.arange(-1000,1001)
y = np.real(1/(-500 - x - 1j*100))
y_pad_edge, window_edge = pad(y, 0, 'edge')
assert np.allclose(y_pad_edge, y)
assert np.allclose(y_pad_edge[..., window_edge==1], y)
assert np.allclose(window_edge, 1)
y_pad_constant, window_constant = pad(y, 0, 'constant')
assert np.allclose(y_pad_constant, y)
assert np.allclose(y_pad_constant[..., window_constant==1], y)
assert np.allclose(window_constant, 1)
def test_pad_2d_0_width():
x = np.arange(-1000,1001)
y = np.real(1/(-500 - x - 1j*100))
y = np.vstack((y, y))
assert y.shape[0] == 2
assert y.shape[-1] == x.size
y_pad_edge, window_edge = pad(y, 0, 'edge')
assert np.allclose(y_pad_edge, y)
assert np.allclose(window_edge, 1)
assert np.allclose(y_pad_edge[..., window_edge==1], y)
y_pad_constant, window_constant = pad(y, 0, 'constant')
assert np.allclose(y_pad_constant, y)
assert np.allclose(window_constant, 1)
assert np.allclose(y_pad_constant[..., window_constant==1], y)