def test9(self):
print "Test HermiteInterface evolve_model"
instance = HermiteInterface()
self.assertEquals(0, instance.initialize_code())
self.assertEquals(0, instance.set_dt_param(0.001))
self.assertEquals(0, instance.set_end_time_accuracy_factor(0.0))
self.assertEquals(0, instance.commit_parameters())
# Set up an equal-mass binary on a circular orbit:
self.assertEquals([0, 0], instance.new_particle(0.5, 0.5, 0, 0, 0, 0.5, 0, 0.01).values())
self.assertEquals([1, 0], instance.new_particle(0.5, -0.5, 0, 0, 0,-0.5, 0, 0.01).values())
self.assertEquals(0, instance.commit_particles())
self.assertEquals(0, instance.evolve_model(math.pi))
for result, expected in zip(instance.get_position(0).values(), [-0.5, 0.0, 0.0, 0]):
self.assertAlmostEquals(result, expected, 3)
for result, expected in zip(instance.get_position(1).values(), [0.5, 0.0, 0.0, 0]):
self.assertAlmostEquals(result, expected, 3)
self.assertEquals(0, instance.evolve_model(2 * math.pi))
for result, expected in zip(instance.get_position(0).values(), [0.5, 0.0, 0.0, 0]):
self.assertAlmostEquals(result, expected, 3)
for result, expected in zip(instance.get_position(1).values(), [-0.5, 0.0, 0.0, 0]):
self.assertAlmostEquals(result, expected, 3)
self.assertEquals(0, instance.cleanup_code())
instance.cleanup_code()
instance.stop()
def calculate_speed(range_of_number_of_particles):
result = []
for n in range_of_number_of_particles: #range(8000,20000, 1000):
hermite1 = HermiteInterface()
hermite1.initialize_code()
hermite2 = HermiteInterface()
hermite2.initialize_code()
ids = [i for i in range(1, n)]
values = [1.0 * i for i in range(1, n)]
t0 = time.time()
hermite1.new_particle(values, values, values, values, values, values,
values, values)
t1 = time.time()
d1 = t1 - t0
#print d1, t1, t0
t0 = time.time()
for i in range(n - 1):
hermite2.new_particle(values[i], values[i], values[i], values[i],
values[i], values[i], values[i], values[i])
t1 = time.time()
d2 = t1 - t0
result.append((n, d1, d2, d2 / d1))
hermite1.cleanup_code()
hermite2.cleanup_code()
del hermite1
del hermite2
return result
def test4(self):
hermite = HermiteInterface()
self.assertEquals([0, 0], hermite.get_is_time_reversed_allowed().values())
self.assertEquals(0, hermite.set_is_time_reversed_allowed(1))
self.assertEquals([1, 0], hermite.get_is_time_reversed_allowed().values())
hermite.cleanup_code()
hermite.stop()
def test8(self):
instance = HermiteInterface()
instance.initialize_code()
instance.set_eps2(0)
instance.commit_parameters()
id1, errorcode = instance.new_particle(mass=10.0,
radius=1.0,
x=0.0,
y=0.0,
z=0.0,
vx=0.0,
vy=0.0,
vz=0.0)
id2, errorcode = instance.new_particle(mass=1.0,
radius=1.0,
x=2.0,
y=0.0,
z=0.0,
vx=10.0,
vy=0.0,
vz=0.0)
instance.commit_particles()
potential, errorcode = instance.get_potential(id1)
self.assertEquals(errorcode, 0)
self.assertAlmostRelativeEquals(potential, -1.0 / numpy.sqrt(2.0**2),
8)
total_potential, errorcode = instance.get_potential_energy()
potentials, errorcode = instance.get_potential([id1, id2])
instance.cleanup_code()
instance.stop()
self.assertAlmostRelativeEquals(
total_potential,
numpy.sum(potentials * [10.0, 1.0]) / 2.0)
def test3(self):
hermite = HermiteInterface()
self.assertEquals(0, hermite.set_eps2(0.101))
self.assertEquals([0.101, 0], hermite.get_eps2().values())
self.assertEquals(0, hermite.set_eps2(0.2))
self.assertEquals([0.2, 0], hermite.get_eps2().values())
hermite.cleanup_code()
hermite.stop()
def test6(self):
hermite = HermiteInterface()
hermite.initialize_code()
hermite.new_particle([10,10],[-1,1],[0,0], [0,0], [0,0], [0,0], [0,0], [1,1])
retrieved_state = hermite.get_state(0)
retr = hermite.get_potential_at_point(0.01, 0,0,0)
self.assertEqual(retr['phi'], -20.0)
hermite.cleanup_code()
hermite.stop()
def test6(self):
hermite = HermiteInterface()
hermite.initialize_code()
hermite.new_particle([10,10],[-1,1],[0,0], [0,0], [0,0], [0,0], [0,0], [1,1])
retrieved_state = hermite.get_state(0)
retr = hermite.get_potential_at_point(0.01, 0,0,0)
self.assertEqual(retr['phi'], -20.0)
hermite.cleanup_code()
hermite.stop()
def test5(self):
hermite = HermiteInterface()
hermite.initialize_code()
hermite.new_particle([10,20],[0,0],[0,0], [0,0], [0,0], [0,0], [0,0],[1,1])
retrieved_state = hermite.get_state(0)
self.assertEquals(10.0, retrieved_state['mass'])
self.assertEquals(1, retrieved_state['radius'])
retrieved_state = hermite.get_state([0,1])
self.assertEquals(20.0, retrieved_state['mass'][1])
self.assertEquals(hermite.get_number_of_particles()['number_of_particles'], 2)
hermite.cleanup_code()
hermite.stop()
def test5(self):
hermite = HermiteInterface()
hermite.initialize_code()
hermite.new_particle([10,20],[0,0],[0,0], [0,0], [0,0], [0,0], [0,0],[1,1])
retrieved_state = hermite.get_state(0)
self.assertEquals(10.0, retrieved_state['mass'])
self.assertEquals(1, retrieved_state['radius'])
retrieved_state = hermite.get_state([0,1])
self.assertEquals(20.0, retrieved_state['mass'][1])
self.assertEquals(hermite.get_number_of_particles()['number_of_particles'], 2)
hermite.cleanup_code()
hermite.stop()
def test9(self):
print "Test HermiteInterface evolve_model"
instance = HermiteInterface()
self.assertEquals(0, instance.initialize_code())
self.assertEquals(0, instance.set_dt_param(0.001))
self.assertEquals(0, instance.set_end_time_accuracy_factor(0.0))
self.assertEquals(0, instance.commit_parameters())
# Set up an equal-mass binary on a circular orbit:
self.assertEquals([0, 0], instance.new_particle(0.5, 0.5, 0, 0, 0, 0.5, 0, 0.01).values())
self.assertEquals([1, 0], instance.new_particle(0.5, -0.5, 0, 0, 0,-0.5, 0, 0.01).values())
self.assertEquals(0, instance.commit_particles())
self.assertEquals(0, instance.evolve_model(math.pi))
for result, expected in zip(instance.get_position(0).values(), [-0.5, 0.0, 0.0, 0]):
self.assertAlmostEquals(result, expected, 3)
for result, expected in zip(instance.get_position(1).values(), [0.5, 0.0, 0.0, 0]):
self.assertAlmostEquals(result, expected, 3)
self.assertEquals(0, instance.evolve_model(2 * math.pi))
for result, expected in zip(instance.get_position(0).values(), [0.5, 0.0, 0.0, 0]):
self.assertAlmostEquals(result, expected, 3)
for result, expected in zip(instance.get_position(1).values(), [-0.5, 0.0, 0.0, 0]):
self.assertAlmostEquals(result, expected, 3)
self.assertEquals(0, instance.cleanup_code())
instance.stop()
def calculate_speed(range_of_number_of_particles):
result = []
for n in range_of_number_of_particles: #range(8000,20000, 1000):
hermite1 = HermiteInterface()
hermite1.initialize_code()
hermite2 = HermiteInterface()
hermite2.initialize_code()
ids = [i for i in range(1,n)]
values = [1.0 * i for i in range(1,n)]
t0 = time.time()
hermite1.new_particle(values
, values
, values
, values
, values
, values
, values
, values)
t1 = time.time()
d1 = t1 - t0
#print d1, t1, t0
t0 = time.time()
for i in range(n-1):
hermite2.new_particle(values[i]
, values[i]
, values[i]
, values[i]
, values[i]
, values[i]
, values[i]
, values[i])
t1 = time.time()
d2 = t1 - t0
result.append((n, d1, d2, d2/d1))
hermite1.cleanup_code()
hermite2.cleanup_code()
del hermite1
del hermite2
return result
def test2(self):
instance = HermiteInterface()
instance.initialize_code()
for i in [0, 1, 2]:
temp_particle = instance.new_particle(mass = i, radius = 1.0, x = 0.0, y = 0.0, z = 0.0, vx = 0.0, vy = 0.0, vz = 0.0)
self.assertEquals(i, temp_particle['index_of_the_particle'])
instance.delete_particle(1)
self.assertEquals(2, instance.get_number_of_particles()['number_of_particles'])
self.assertEquals(0, instance.get_index_of_first_particle()['index_of_the_particle'])
self.assertEquals(2, instance.get_index_of_next_particle(0)['index_of_the_next_particle'])
self.assertEquals(0, instance.get_index_of_next_particle(0)['__result'])
self.assertEquals(-1, instance.get_index_of_next_particle(1)['__result'])
self.assertEquals(1, instance.get_index_of_next_particle(2)['__result'])
instance.cleanup_code()
instance.stop()
def test1(self):
instance = HermiteInterface()
instance.initialize_code()
res1 = instance.new_particle(mass = 11.0, radius = 2.0, x = 0.0, y = 0.0, z = 0.0, vx = 0.0, vy = 0.0, vz = 0.0)
res2 = instance.new_particle(mass = 21.0, radius = 5.0, x = 10.0, y = 0.0, z = 0.0, vx = 10.0, vy = 0.0, vz = 0.0)
self.assertEquals(0, res1['index_of_the_particle'])
self.assertEquals(1, res2['index_of_the_particle'])
retrieved_state1 = instance.get_state(0)
retrieved_state2 = instance.get_state(1)
self.assertEquals(11.0, retrieved_state1['mass'])
self.assertEquals(21.0, retrieved_state2['mass'])
self.assertEquals(0.0, retrieved_state1['x'])
self.assertEquals(10.0, retrieved_state2['x'])
self.assertEquals(2.0, retrieved_state1['radius'])
self.assertEquals(5.0, retrieved_state2['radius'])
instance.cleanup_code()
instance.stop()
def test1(self):
instance = HermiteInterface()
instance.initialize_code()
res1 = instance.new_particle(mass = 11.0, radius = 2.0, x = 0.0, y = 0.0, z = 0.0, vx = 0.0, vy = 0.0, vz = 0.0)
res2 = instance.new_particle(mass = 21.0, radius = 5.0, x = 10.0, y = 0.0, z = 0.0, vx = 10.0, vy = 0.0, vz = 0.0)
self.assertEquals(0, res1['index_of_the_particle'])
self.assertEquals(1, res2['index_of_the_particle'])
retrieved_state1 = instance.get_state(0)
retrieved_state2 = instance.get_state(1)
self.assertEquals(11.0, retrieved_state1['mass'])
self.assertEquals(21.0, retrieved_state2['mass'])
self.assertEquals(0.0, retrieved_state1['x'])
self.assertEquals(10.0, retrieved_state2['x'])
self.assertEquals(2.0, retrieved_state1['radius'])
self.assertEquals(5.0, retrieved_state2['radius'])
instance.cleanup_code()
instance.stop()
def test0(self):
instance = HermiteInterface()
self.assertTrue("Hut" in instance.all_literature_references_string())
instance.cleanup_code()
instance.stop()
