コード例 #1
0
def test_fft2_s_complex():
    for n1 in xrange(1, shapein16[0]):
        for n2 in xrange(1, shapein16[1]):
            s = (n1, n2)
            A = op.fft2(shapein16, s=s, dtype=np.complex128)
            yield check_almost_dense_transpose, A
コード例 #2
0
# collection of linear operators to test
shapein16 = (16, 16)
shapein3_4 = (4, 4, 4)
d = np.random.rand(*shapein16)
coef = np.random.uniform(high=10.)
mask = np.random.rand(*shapein16) > .5
s = int(np.floor(np.random.uniform(low=1, high=16)))
p = generate_permutation(16)

id16 = op.ndidentity(shapein16)
d16 = op.nddiagonal(d)
h16 = op.ndhomothetic(shapein16, coef)
m16 = op.ndmask(mask)
f1_16 = op.fft(shapein16, dtype=np.complex128)
f2_16 = op.fft2(shapein16, dtype=np.complex128)

lo_list = [id16, d16, h16, m16, f1_16, f2_16]

# collection of vectors
ones16 = np.ones(shapein16)
zeros16 = np.zeros(shapein16)
rand16 = np.random.rand(*shapein16)

v_list = [ones16, zeros16, rand16 ]

# general tests
def check_matvec(A, x):
    A * x.ravel()

def test_matvec():