def test_power_negative_int(self, rr):
"""Test that the neg function creates a regref transform that negates"""
a = -3
x = 0.6543
rrt = utils.power(rr, a)
assert isinstance(rrt, RegRefTransform)
assert rrt.func(x) == x**a
def test_power_positive_frac(self):
"""Test that the neg function creates a regref transform that negates"""
a = 0.574
x = 0.6543
eng, q = sf.Engine(1)
rrt = utils.power(q[0], a)
assert isinstance(rrt, sf.engine.RegRefTransform)
assert rrt.func(x) == x**a