def test_Cos(self):
"""
f = cos(x)
f' = -sin(x)
"""
expected = [(math.cos(x), -1 * math.sin(x)) for x in rng]
t = ts.Timer(foo_range, count=len(rng), use_dual=True)
out = ts.Cos(t)
assert ts.run(out) == expected
def test_Cos(self):
t = ts.Timer(foo, count=2)
out = ts.Cos(t)
assert ts.run(out) == [math.cos(1), math.cos(2)]