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added two tests to test_seba.py #1122

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added two tests to test_seba.py #1122

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62 changes: 56 additions & 6 deletions src/amuse/test/suite/codes_tests/test_seba.py
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Original file line number Diff line number Diff line change
Expand Up @@ -134,8 +134,8 @@ def test5(self):
print(mass)
self.assertEqual(error, 0)
self.assertAlmostRelativeEqual(mass[0], 1.0, 6)
self.assertAlmostRelativeEqual(mass[1], 0.62973, 4)
self.assertAlmostRelativeEqual(mass[2], 0.75012, 4)
self.assertAlmostRelativeEqual(mass[1], 0.6306, 4)
self.assertAlmostRelativeEqual(mass[2], 0.7408, 4)

instance.stop()

Expand All @@ -155,7 +155,7 @@ def test6(self):
mass, error = instance.get_mass(index)
print(mass)
self.assertEqual(error, 0)
self.assertAlmostRelativeEqual(mass, [1.0, 0.62973, 0.75072], 4)
self.assertAlmostRelativeEqual(mass, [1.0, 0.6306, 0.7408], 4)

instance.stop()

Expand Down Expand Up @@ -284,7 +284,7 @@ def test9(self):
self.assertEqual(error, 0)
mass, error = instance.get_mass(1)
self.assertEqual(error, 0)
self.assertAlmostRelativeEqual(mass, 2.98777, 4)
self.assertAlmostRelativeEqual(mass, 2.9887, 4)
mass, error = instance.get_mass(2)
self.assertEqual(error, 0)
self.assertAlmostRelativeEqual(mass, 0.29999, 4)
Expand All @@ -293,7 +293,7 @@ def test9(self):
self.assertEqual(error, 0)
mass, error = instance.get_mass(1)
self.assertEqual(error, 0)
self.assertAlmostRelativeEqual(mass, 0.902743, 4)
self.assertAlmostRelativeEqual(mass, 0.9019, 4)
mass, error = instance.get_mass(2)
self.assertEqual(error, 0)
self.assertAlmostRelativeEqual(mass, 0.3, 4)
Expand Down Expand Up @@ -420,7 +420,7 @@ def test_evolution_of_close_binary_system(self):
3.0000 | units.MSun,
3.0000 | units.MSun,
2.9983 | units.MSun,
2.9741 | units.MSun,
2.9797 | units.MSun,
0.6710 | units.MSun,
0.6596 | units.MSun,
)
Expand Down Expand Up @@ -683,3 +683,53 @@ def test_supernova_stopping_condition_with_multiple_stars_of_equal_mass(self):
self.assertAlmostRelativeEqual(instance.particles[0].mass, 1.2507 | units.MSun, 4)
self.assertAlmostRelativeEqual(instance.particles[1].mass, 1.2507 | units.MSun, 4)
self.assertAlmostRelativeEqual(instance.particles[2].mass, 0.5 | units.MSun, 4)

def test_restart_for_different_stellar_type(self):
""" Test restart SeBa for different stellar types. """
instance = self.new_instance_of_an_optional_code(SeBa)

#a very specific case, which went wrong in Torch
stars = Particles(2)
stars.mass = [69.08994562, 69.40049406] | units.MSun
stars.relative_mass = [69.44820097, 69.40049406] | units.MSun
stars.age = [3.2865, 3.2865] | units.Myr
stars.relative_age = [3.68045615, 3.63104588] | units.Myr
stars.stellar_type = [2, 1] | units.stellar_type
stars.core_mass = [29.90683271, 0.] | units.MSun
stars.radius = [944.70734099, 94.874201] | units.RSun
stars.luminosity = [1517964.62534381, 1468414.68887237] | units.LSun

instance.particles.add_particles(stars)
instance.evolve_model(0.1 | units.day)

self.assertAlmostRelativeEqual(instance.particles[0].age, 0 | units.Myr, 4)
self.assertAlmostRelativeEqual(instance.particles[1].age, 0 | units.Myr, 4)
self.assertAlmostRelativeEqual(instance.particles[0].relative_age, 3.68045615 | units.Myr, 4)
self.assertAlmostRelativeEqual(instance.particles[1].relative_age, 3.63104588 | units.Myr, 4)
self.assertAlmostRelativeEqual(instance.particles[0].radius, 944.70734099 | units.RSun, 4)
self.assertAlmostRelativeEqual(instance.particles[1].radius, 94.874201 | units.RSun, 4)
self.assertAlmostRelativeEqual(instance.particles[0].core_mass, 29.90683275 | units.MSun, 4)
self.assertAlmostRelativeEqual(instance.particles[1].core_mass, 0 | units.MSun, 4)
self.assertAlmostRelativeEqual(instance.particles[0].luminosity, 1517964.62534381 | units.LSun, 4)
self.assertAlmostRelativeEqual(instance.particles[1].luminosity, 1468414.68887237 | units.LSun, 4)


def test_adding_zero_age_star_and_recover_with_channel(self):
""" Test restart SeBa for different stellar types. """
instance = self.new_instance_of_an_optional_code(SeBa)

#a very specific case, which went wrong in Torch

stars = Particles(1)
stars.mass = 20|units.MSun
stars.radius = 10|units.RSun

instance.particles.add_particle(stars[0])
instance.evolve_model(1|units.yr)

channel = stars.new_channel_to(instance.particles)
channel.copy()

self.assertAlmostRelativeEqual(instance.particles[0].mass, 19.9999999903 | units.MSun, 4)
self.assertAlmostRelativeEqual(instance.particles[0].radius, 5.99895518242 | units.RSun, 4)

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