def calculate_inertial_length(form): n = form['n'] p = form['particle'] n_quantity = u.Quantity(n, u.Unit(form['unitsN'])) sum = pfp.inertial_length(n_quantity, p) return sum
def calculate_inertial_length(form): r''' Returns -------- Quantity Inertial length in meters (m) Parameters ---------- `form`: The calculator form from the HTML page where the user enters data for calculation. ''' n = form['n'] # Particle number density p = form['particle'] # Particle u1 = form['unitsN'] if n == "" or u1 == 'select': return -1 n_quantity = u.Quantity(n, u.Unit(u1)) sum = pfp.inertial_length(n_quantity, p) return sum
def test_inertial_length(): r"""Test the inertial_length function in parameters.py.""" assert inertial_length(n_i, particle="p").unit.is_equivalent(u.m) assert np.isclose(inertial_length(mu * u.cm**-3, particle="p").cgs.value, 2.28e7, rtol=0.01) inertial_length_electron_plus = inertial_length(5.351 * u.m**-3, particle="e+") assert inertial_length_electron_plus == inertial_length(5.351 * u.m**-3, particle="e") assert inertial_length(n_i, particle="p") == inertial_length(n_i, particle="p") with pytest.warns(u.UnitsWarning): inertial_length(4, particle="p") with pytest.raises(u.UnitTypeError): inertial_length(4 * u.m**-2, particle="p") with pytest.raises(ValueError): inertial_length(-5 * u.m**-3, particle="p") with pytest.raises(InvalidParticleError): inertial_length(n_i, particle=-135) with pytest.warns(u.UnitsWarning): inertial_length_no_units = inertial_length(1e19, particle="p") assert inertial_length_no_units == inertial_length(1e19 * u.m**-3, particle="p") assert inertial_length(n_e, "e-").unit.is_equivalent(u.m) assert np.isclose(inertial_length(1 * u.cm**-3, "e-").cgs.value, 5.31e5, rtol=1e-3) with pytest.warns(u.UnitsWarning): inertial_length(5, "e-") with pytest.raises(u.UnitTypeError): inertial_length(5 * u.m, "e-") with pytest.raises(ValueError): inertial_length(-5 * u.m**-3, "e-") with pytest.warns(u.UnitsWarning): assert inertial_length(1e19, "e-") == inertial_length(1e19 * u.m**-3, "e-") assert_can_handle_nparray(inertial_length)
def time_inertial_length(self): inertial_length(5 * u.m**-3, 'He+')