openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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import numpy as np
from openpilot.common.numpy_fast import interp
class TestInterp:
def test_correctness_controls(self):
_A_CRUISE_MIN_BP = np.asarray([0., 5., 10., 20., 40.])
_A_CRUISE_MIN_V = np.asarray([-1.0, -.8, -.67, -.5, -.30])
v_ego_arr = [-1, -1e-12, 0, 4, 5, 6, 7, 10, 11, 15.2, 20, 21, 39,
39.999999, 40, 41]
expected = np.interp(v_ego_arr, _A_CRUISE_MIN_BP, _A_CRUISE_MIN_V)
actual = interp(v_ego_arr, _A_CRUISE_MIN_BP, _A_CRUISE_MIN_V)
np.testing.assert_equal(actual, expected)
for v_ego in v_ego_arr:
expected = np.interp(v_ego, _A_CRUISE_MIN_BP, _A_CRUISE_MIN_V)
actual = interp(v_ego, _A_CRUISE_MIN_BP, _A_CRUISE_MIN_V)
np.testing.assert_equal(actual, expected)