def test__interp_between_vectors(N):
index = numpy.arange(0, 4)
vector1 = -1 * index**2 - 1
vector2 = 2 * index**2 + 2
expected = {
1: numpy.array([
[ -1.0, -2.0, -5.0, -10.0],
[ 0.5, 1.0, 2.5, 5.0],
[ 2.0, 4.0, 10.0, 20.0],
]),
3: numpy.array([
[ -1.00, -2.00, -5.00, -10.00],
[ -0.25, -0.50, -1.25, -2.50],
[ 0.50, 1.00, 2.50, 5.00],
[ 1.25, 2.50, 6.25, 12.50],
[ 2.00, 4.00, 10.00, 20.00],
])
}
if N:
result = core._interp_between_vectors(vector1, vector2, n_nodes=N)
nptest.assert_array_equal(result, expected[N])
else:
with raises(ValueError):
core._interp_between_vectors(vector1, vector2, n_nodes=0)
def test_bad_points(self):
core._interp_between_vectors(self.vector1, self.vector2, n_points=0)
def test_insert_3(self):
result = core._interp_between_vectors(self.vector1, self.vector2, n_points=3)
nptest.assert_array_equal(result, self.known_insert_3)
