def test_relative_parity():
for perm,parity in cases:
#check lists of integers
assert_equal(relative_parity(perm,perm), 0)
assert_equal(relative_parity(perm,list(range(len(perm)))), parity)
#check lists of strings
L1 = list(map(str,perm))
L2 = list(map(str,list(range(len(perm)))))
assert_equal(relative_parity(L1,L1), 0)
assert_equal(relative_parity(L1,L2), parity)
def test_relative_parity():
for perm, parity in cases:
# check lists of integers
assert_equal(relative_parity(perm, perm), 0)
assert_equal(relative_parity(perm, range(len(perm))), parity)
# check lists of strings
L1 = map(str, perm)
L2 = map(str, range(len(perm)))
assert_equal(relative_parity(L1, L1), 0)
assert_equal(relative_parity(L1, L2), parity)
def test_parity(self):
"""
test parity with random data
"""
for n_col in range(1,7):
for n_row in range(1,50):
A = arange(n_col*n_row)
random.shuffle(A)
A = A.reshape((n_row,n_col))
s_parity = simplex_array_parity(A)
for n,row in enumerate(A):
assert_equal(s_parity[n],relative_parity(row,sorted(row)))
