def test_atmosphere_frac_p(self):
"Modifier 'frac_P': 2D scaling"
modifier = PISM.AtmosphereFracP(self.grid, self.model)
modifier.init(self.geometry)
modifier.update(self.geometry, 0, 1)
check_ratio(modifier.mean_precipitation(),
self.model.mean_precipitation(), self.P_ratio)
check_modifier(self.model,
modifier,
T=0,
P=0.00012675505856327396,
ts=[0.5],
Ts=[0],
Ps=[0.00012676])
