def test_trig_functions(self):
"""tests for trigonometric functions"""
a = q.Measurement(0.7853981633974483)
b = q.Measurement(45)
c = q.Measurement(0.5)
res = q.sin(a)
assert res.value == pytest.approx(0.7071067811865475244)
res = q.sind(b)
assert res.value == pytest.approx(0.7071067811865475244)
res = q.cos(a)
assert res.value == pytest.approx(0.7071067811865475244)
res = q.cosd(b)
assert res.value == pytest.approx(0.7071067811865475244)
res = q.tan(a)
assert res.value == pytest.approx(1)
res = q.tand(b)
assert res.value == pytest.approx(1)
res = q.sec(a)
assert res.value == pytest.approx(1.4142135623730950488)
res = q.secd(b)
assert res.value == pytest.approx(1.4142135623730950488)
res = q.csc(a)
assert res.value == pytest.approx(1.4142135623730950488)
res = q.cscd(b)
assert res.value == pytest.approx(1.4142135623730950488)
res = q.cot(a)
assert res.value == pytest.approx(1)
res = q.cotd(b)
assert res.value == pytest.approx(1)
res = q.asin(c)
assert res.value == pytest.approx(0.523598775598298873077)
res = q.acos(c)
assert res.value == pytest.approx(1.047197551196597746154)
res = q.atan(c)
assert res.value == pytest.approx(0.463647609000806116214)
def func4(x, a, *args):
return a + args[0] * q.sin(args[1] * x) # pragma: no cover
def func(x, **kwargs):
return kwargs.get("a") * q.sin(
kwargs.get("b") * x) # pragma: no cover
def func3(x, *args):
return args[0] * q.sin(args[1] * x)
def model(x, a, b):
return a * q.sin(b * x)