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from dtcwt.coeffs import biort, qshift
from pytest import raises
def test_antonini():
h0o, g0o, h1o, g1o = biort('antonini')
assert h0o.shape[0] == 9
assert g0o.shape[0] == 7
assert h1o.shape[0] == 7
assert g1o.shape[0] == 9
def test_legall():
h0o, g0o, h1o, g1o = biort('legall')
assert h0o.shape[0] == 5
assert g0o.shape[0] == 3
assert h1o.shape[0] == 3
assert g1o.shape[0] == 5
def test_near_sym_a():
h0o, g0o, h1o, g1o = biort('near_sym_a')
assert h0o.shape[0] == 5
assert g0o.shape[0] == 7
assert h1o.shape[0] == 7
assert g1o.shape[0] == 5
def test_near_sym_a():
h0o, g0o, h1o, g1o = biort('near_sym_b')
assert h0o.shape[0] == 13
assert g0o.shape[0] == 19
assert h1o.shape[0] == 19
assert g1o.shape[0] == 13
def test_qshift_06():
coeffs = qshift('qshift_06')
assert len(coeffs) == 8
for v in coeffs:
assert v.shape[0] == 10
def test_qshift_a():
coeffs = qshift('qshift_a')
assert len(coeffs) == 8
for v in coeffs:
assert v.shape[0] == 10
def test_qshift_b():
coeffs = qshift('qshift_b')
assert len(coeffs) == 8
for v in coeffs:
assert v.shape[0] == 14
def test_qshift_c():
coeffs = qshift('qshift_c')
assert len(coeffs) == 8
for v in coeffs:
assert v.shape[0] == 16
def test_qshift_d():
coeffs = qshift('qshift_d')
assert len(coeffs) == 8
for v in coeffs:
assert v.shape[0] == 18
def test_non_exist_biort():
with raises(IOError):
biort('this-does-not-exist')
def test_non_exist_qshift():
with raises(IOError):
qshift('this-does-not-exist')
def test_wrong_type_a():
with raises(ValueError):
biort('qshift_06')
def test_wrong_type_b():
with raises(ValueError):
qshift('antonini')
# vim:sw=4:sts=4:et
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