def test_02(self):
# Truth values from NASA RP 1046
Value = SA.density2alt(0.012215)
Truth = 49000
self.assertLessEqual(RE(Value, Truth), 1e-5)
def test_01(self):
# Truth values from NASA RP 1046
Value = SA.density2alt(0.06011)
Truth = 8000
self.assertLessEqual(RE(Value, Truth), 1e-5)
def test_03(self):
# Truth values from NASA RP 1046
Value = SA.density2alt(0.039466, alt_units='m',
density_units='kg/m**3')
Truth = 25000
self.assertLessEqual(RE(Value, Truth), 1e-5)
def test_07(self):
# truth value calculated from program at:
# http://www.sworld.com.au/steven/space/atmosphere/
Value = SA.density2alt(1.3418e-5, density_units='kg/m**3',
alt_units='m')
Truth = 80956
self.assertLessEqual(RE(Value, Truth), 1e-5)
def test_04(self):
# test units in other order
# truth value calculated from program at:
# http://www.sworld.com.au/steven/space/atmosphere/
Value = SA.density2alt(5.36663e-3, density_units='kg/m**3',
alt_units='m')
Truth = 37774
self.assertLessEqual(RE(Value, Truth), 1e-5)