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 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 example_M67():
#in this example we take M67 from mmc and evolve it in both
#mmc and hermite. We compare coreradii
mmc = mmcInterface(redirection="null")
mmc.set_mmc_data_directory(mmc.data_directory)
mmc.set_irun(10)
mmc.set_iseed(10)
mmc.set_nt(2000)
mmc.set_nt0(2000)
mmc.set_nt00(2000)
mmc.set_istart(1)
mmc.set_ncor(20)
mmc.set_nmin(5)
mmc.set_nz0(100)
mmc.set_nzonc(1)
mmc.set_nminzo(30)
mmc.set_ntwo(10)
mmc.set_imodel(4)
mmc.set_iprint(3)
mmc.set_ib3f(3)
mmc.set_iexch(2)
mmc.set_tcrit(600000.0)
mmc.set_tcomp(18000.0)
mmc.set_qe(1.e-0)
mmc.set_alphal(1.3)
mmc.set_alphah(2.3)
mmc.set_brakem(0.5)
mmc.set_body1(100.0)
mmc.set_bodyn(0.1)
mmc.set_fracb(0.00)
mmc.set_amin(0.0)
mmc.set_amax(10747.0)
mmc.set_qvir(0.5)
mmc.set_rbar(100.0)
mmc.set_zmbar(426000.0)
mmc.set_w0(5.0)
mmc.set_bmin(0.01)
mmc.set_bmin0(0.01)
mmc.set_bmax(2.0 * 0.01)
mmc.set_tau0(0.002)
mmc.set_gamma(0.02)
mmc.set_xtid(1.36)
mmc.set_rplum(60.0)
mmc.set_dttp(500.0)
mmc.set_dtte(500.0)
mmc.set_dtte0(100.0)
mmc.set_tcrevo(1000.0)
mmc.set_xtau(1.0)
mmc.set_ytau(2.0)
mmc.set_ybmin(2.0)
mmc.set_zini(0.0200)
mmc.set_ikroupa(0)
mmc.set_iflagns(2)
mmc.set_iflagbh(2)
mmc.set_nitesc(0)
mmc.set_flagr([0.005,0.01,0.02,0.03, 0.04,0.05,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,0.99])
nlagra = mmc.get_nlagra().nlagrange
print mmc.get_flagr(range(1,nlagra+1))
"""
mmc.amuse_input()
"""
mmc.nonstandard_init()
n_total = mmc.get_number_of_particles().n_
mass,radius,x,y,z,vx,vy,vz = plummer(n_total)
r_, vr_, vt_ = mmc.phase_to_polar(x, y, z, vx, vy, vz)
mmcstate = mmc.get_state(range(1,n_total+1))
x, y, z, vx, vy, vz,ex,ey,ez = mmc.phase_to_cartesian(mmcstate.r, mmcstate.vr, mmcstate.vt)
mass, r_, vr_, vt_ = sort_by_radii(mass, r_, vr_, vt_)
mmc.commit_particles()
n_total = mmc.get_number_of_particles().n_
mmc.set_tcrit(0)
control = HermiteInterface(number_of_workers=3)
control.initialize_code()
control.commit_parameters()
res = control.new_particle(mass,
1/n_total * np.ones(len(mass)),
x, y, z,
vx, vy, vz)
control_parts = res['index_of_the_particle']
control.commit_particles()
mmc.set_istart(1)
for time_end in np.arange(0.001,1,0.001):
n_total = mmc.get_number_of_particles().n_
x, y, z = mmc.get_positions_3d(range(1, n_total+1))
M = mmc.get_state(range(1, n_total+1))
tcross = crossing_time(M.r, M.vr, M.vt)
x_core,y_core,z_core,rc = coreradius.coreradius(M.mass,x,y,z)
tic = systime.clock()
mmc.evolve_model(time_end)
toc = systime.clock()
time = mmc.get_time().time
tcrit_control = mmc.get_tcrit().termination_time_units_crossing_time
timet = mmc.get_timet().time
tcr = mmc.get_crossing_time().tcr
control.evolve_model(time_end)
H = control.get_state(control_parts)
control_xcore,control_ycore,control_zcore,control_rc = \
coreradius.coreradius(H.mass,H.x,H.y,H.z)
print time, time_end, rc, control_rc, toc-tic
mmc.stop()
control.stop()
