Esempio n. 1
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    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)
Esempio n. 2
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 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)
Esempio n. 3
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 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)
Esempio n. 4
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 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)