def test7(self):
convert_nbody = nbody_system.nbody_to_si(5.0 | units.kg, 10.0 | units.m)
instance = FDPS(convert_nbody)
instance.commit_parameters()
particles = datamodel.Particles(2)
self.assertEquals(len(instance.particles), 0)
particles.mass = [15.0, 30.0] | units.kg
particles.radius = [10.0, 20.0] | units.m
particles.position = [[10.0, 20.0, 30.0], [20.0, 40.0, 60.0]] | units.m
particles.velocity = [[0.0, 0.0, 0.0], [0.0, 0.0, 0.0]] | units.m / units.s
instance.particles.add_particles(particles)
instance.commit_particles()
self.assertEquals(instance.get_mass(0), 15.0| units.kg)
self.assertAlmostRelativeEquals(instance.get_position(0)[2], 30.0| units.m)
self.assertEquals(len(instance.particles), 2)
self.assertAlmostRelativeEquals(instance.particles.mass[1], 30.0 | units.kg)
self.assertAlmostRelativeEquals(instance.particles.position[1][2], 60.0 | units.m)
instance.cleanup_code()
instance.stop()
def test5(self):
instance = FDPS()
instance.commit_parameters()
index = instance.new_particle(
15.0 | nbody_system.mass,
10.0 | nbody_system.length, 20.0 | nbody_system.length, 30.0 | nbody_system.length,
1.0 | nbody_system.speed, 1.0 | nbody_system.speed, 3.0 | nbody_system.speed,
10.0 | nbody_system.length
)
instance.commit_particles()
self.assertEquals(instance.get_mass(index), 15.0| nbody_system.mass)
self.assertEquals(instance.get_radius(index), 10.0| nbody_system.length)
instance.cleanup_code()
instance.stop()
def test4(self):
convert_nbody = nbody_system.nbody_to_si(5.0 | units.kg, 10.0 | units.m)
instance = FDPS(convert_nbody)
instance.commit_parameters()
index = instance.new_particle(
15.0 | units.kg,
10.0 | units.m, 20.0 | units.m, 30.0 | units.m,
#1.0 | units.m/units.s, 1.0 | units.m/units.s, 3.0 | units.m/units.s
0.0 | units.m/units.s, 0.0 | units.m/units.s, 0.0 | units.m/units.s,
10.0 | units.m
)
instance.commit_particles()
self.assertEquals(instance.get_mass(index), 15.0| units.kg)
self.assertEquals(instance.get_radius(index), 10.0| units.m)
instance.cleanup_code()
instance.stop()
def test6(self):
convert_nbody = nbody_system.nbody_to_si(5.0 | units.kg, 10.0 | units.m)
instance = FDPS(convert_nbody)
instance.commit_parameters()
indices = instance.new_particle(
[15.0, 30.0] | units.kg,
[10.0, 20.0] | units.m, [20.0, 40.0] | units.m, [30.0, 50.0] | units.m,
#1.0 | units.m/units.s, 1.0 | units.m/units.s, 3.0 | units.m/units.s
[0.0, 0.01] | units.m/units.s, [0.0, 0.01] | units.m/units.s, [0.0, 0.01] | units.m/units.s,
[10.0, 20.0] | units.m
)
instance.commit_particles()
self.assertEquals(instance.get_mass(indices[0]), 15.0| units.kg)
self.assertEquals(instance.get_mass(indices)[0], 15.0| units.kg)
self.assertRaises(AmuseException, instance.get_mass, [4,5],
expected_message = "Error when calling 'get_mass' of a 'FDPS', errorcode is -1")
instance.cleanup_code()
instance.stop()