def test_ashrae_scalar():
thetas = -45.
iam = _iam.ashrae(thetas, .05)
expected = 0.97928932
assert_allclose(iam, expected, equal_nan=True)
thetas = np.nan
iam = _iam.ashrae(thetas, .05)
expected = np.nan
assert_allclose(iam, expected, equal_nan=True)
def test_ashrae():
thetas = np.array(
[-90., -67.5, -45., -22.5, 0., 22.5, 45., 67.5, 89., 90., np.nan])
expected = np.array([
0, 0.9193437, 0.97928932, 0.99588039, 1., 0.99588039, 0.97928932,
0.9193437, 0, 0, np.nan
])
iam = _iam.ashrae(thetas, .05)
assert_allclose(iam, expected, equal_nan=True)
iam_series = _iam.ashrae(pd.Series(thetas))
assert_series_equal(iam_series, pd.Series(expected))