def test3(self):
numpy.random.seed(345672)
instance = SalpeterIMF(0.1 | units.MSun, 100 | units.MSun, alpha=-2.35)
n = 10000
total_mass, set_of_masses = instance.next_set(n)
self.assertAlmostEqual(instance.mass_mean(), 0.35136877959 | units.MSun)
self.assertAlmostEqual(total_mass / n, 0.35136877959 | units.MSun, 1)
self.assertAlmostEqual(total_mass / n, 0.33999456911 | units.MSun)
self.assertAlmostEqual(instance.mass(0.5), set_of_masses.median(), 2)
def test3(self):
numpy.random.seed(345672)
instance = SalpeterIMF(0.1 | units.MSun, 100 | units.MSun, alpha = -2.35)
n = 10000
total_mass, set_of_masses = instance.next_set(n)
self.assertAlmostEqual(instance.mass_mean(), 0.35136877959 | units.MSun)
self.assertAlmostEqual(total_mass / n, 0.35136877959 | units.MSun, 1)
self.assertAlmostEqual(total_mass / n, 0.33999456911 | units.MSun)
self.assertAlmostEqual(instance.mass(0.5), set_of_masses.median(), 2)
def test5(self):
print("Test 5: testing user interface (SI units)")
numpy.random.seed(345672)
masses = new_salpeter_mass_distribution(1000)
self.assertEqual(len(masses), 1000)
self.assertAlmostEqual(masses.mean(), 0.334475937397 | units.MSun)
self.assertAlmostRelativeEqual(masses.mean(), SalpeterIMF().mass_mean(), 1)
self.assertAlmostEqual(masses.amin(), 0.10017909529 | units.MSun)
self.assertAlmostEqual(masses.amax(), 19.7132849297 | units.MSun)
def test4(self):
instance = SalpeterIMF(0.1 | units.MSun, 125 | units.MSun, alpha=-2.35)
self.assertAlmostEqual(instance.mass_mean(),
0.353943475903 | units.MSun)
def test2(self):
instance = SalpeterIMF(0.1 | units.MSun, 100 | units.MSun, alpha=-2.35)
self.assertAlmostEqual(instance.mass(1.0), 100 | units.MSun)
self.assertAlmostEqual(instance.mass(0.0), 0.1 | units.MSun)
def test1(self):
instance = SalpeterIMF(0.1 | units.MSun, 100 | units.MSun, alpha=-2.35)
self.assertAlmostEqual(instance.mass_mean().value_in(units.MSun),
0.351, 3)
def test4(self):
instance = SalpeterIMF(0.1 | units.MSun, 125 | units.MSun, alpha=-2.35)
self.assertAlmostEqual(instance.mass_mean(), 0.353943475903 | units.MSun)
def test2(self):
instance = SalpeterIMF(0.1 | units.MSun, 100 | units.MSun, alpha=-2.35)
self.assertAlmostEqual(instance.mass(1.0), 100 | units.MSun)
self.assertAlmostEqual(instance.mass(0.0), 0.1 | units.MSun)
def test1(self):
instance = SalpeterIMF(0.1 | units.MSun, 100 | units.MSun, alpha=-2.35)
self.assertAlmostEqual(instance.mass_mean().value_in(units.MSun), 0.351, 3)