def test_get_radians_half_pi_diff_magnitude(self):
import numpy as np
from shapeanalysis.process_data import get_radians
a = np.asarray((0, 3))
b = np.asarray((0, 0))
c = np.asarray((1.7, 0))
actual = get_radians(a, b, c)
expected = np.pi / 2
self.assertEqual(expected, actual)
def test_get_radians_half_pi_all_offset(self):
import numpy as np
from shapeanalysis.process_data import get_radians
a = np.asarray((1, 3))
b = np.asarray((1, 1))
c = np.asarray((1.7, 1))
actual = get_radians(a, b, c)
expected = np.pi / 2
self.assertEqual(expected, actual)
def test_get_radians_pi(self):
import numpy as np
from shapeanalysis.process_data import get_radians
a = np.asarray((0, 1))
b = np.asarray((0, 0))
c = np.asarray((0, -1))
actual = get_radians(a, b, c)
expected = np.pi
self.assertEqual(expected, actual)