def test__create_integrator_explicit(self):
# Make system 1
x = SX.sym('x')
t = SX.sym('t')
tau = SX.sym('tau')
ode = SX(1)
sys = DAESystem(x=x, ode=ode, tau=tau, t=t)
# Test
sys._create_integrator(integrator_type='explicit')
def test__create_integrator_alg_implicit(self):
x = SX.sym('x')
y = SX.sym('y')
t = SX.sym('t')
tau = SX.sym('tau')
ode = SX(1)
alg = y - (5 - t)
sys = DAESystem(x=x, y=y, ode=ode, alg=alg, tau=tau, t=t)
# Test
sys._create_integrator(integrator_type='implicit')
def test__create_integrator_collocation(self):
# Make system 1
x = SX.sym('x')
y = SX.sym('y')
t = SX.sym('t')
tau = SX.sym('tau')
ode = SX(1)
alg = y - (5 - t)
sys = DAESystem(x=x, y=y, ode=ode, alg=alg, tau=tau, t=t)
# Test
sys._create_integrator(integrator_type='collocation')
def test__create_integrator_w_name(self):
# Make system 1
x = SX.sym('x')
y = SX.sym('y')
t = SX.sym('t')
tau = SX.sym('tau')
ode = SX(1)
alg = y - (5 - t)
sys = DAESystem(x=x, y=y, ode=ode, alg=alg, tau=tau, t=t)
# Test
sys._create_integrator(options={"name": "integrator"})
def test__create_integrator_w_integrator_options(self):
# Make system 1
x = SX.sym('x')
y = SX.sym('y')
t = SX.sym('t')
tau = SX.sym('tau')
ode = SX(1)
alg = y - (5 - t)
sys = DAESystem(x=x, y=y, ode=ode, alg=alg, tau=tau, t=t)
# Test
OLD_INTEGRATOR_OPTION = copy.copy(config.INTEGRATOR_OPTIONS)
config.INTEGRATOR_OPTIONS = {'abstol': 1e-10}
sys._create_integrator(options={'reltol': 1e-10})
config.INTEGRATOR_OPTIONS = OLD_INTEGRATOR_OPTION