def test_construct_circuit(self):
cir = gnucap.Circuit()
cir['V1'] = gnucap.VS(1, 0, 1.0)
cir['R1'] = gnucap.R(1, 2, '1k')
cir['R2'] = gnucap.R(2, 0, '3k')
print gnucap.Circuit(simple_netlist)
assert_equal(cir, gnucap.Circuit(simple_netlist))
def test_dcop(self):
cir = gnucap.Circuit(simple_netlist)
sim = gnucap.Simulation(cir, direct=self.direct)
res = sim.run_dcop()
assert_equal(res['v(2)'].value(27), 0.75)
def test_transient(self):
cir = gnucap.Circuit(simple_netlist)
sim = gnucap.Simulation(cir, direct=self.direct)
res = sim.run_transient(t=LinSweep(0, 1, n=6))
refv2 = Waveform(np.array([0., 0.2, 0.4, 0.6, 0.8, 1.]),
np.array([0.75, 0.75, 0.75, 0.75, 0.75, 0.75]))
assert_waveform_equal(res.v(2), refv2)
assert_equal(res.v(2).xlabels, ['Time'])
def test_netlist(self):
def check_netlist(sim):
assert_equal(sim.command('list'),
'V1 ( 1 0 ) DC 1.\nR1 ( 1 2 ) 1.K\nR2 ( 2 0 ) 3.K')
sim = gnucap.Simulation(None, direct=self.direct)
sim.send_netlist(simple_netlist)
check_netlist(sim)
sim=None
cir = gnucap.Circuit(simple_netlist)
sim = gnucap.Simulation(cir, direct=self.direct)
check_netlist(sim)
sim=None
sim = gnucap.Simulation(simple_netlist, direct=self.direct)
check_netlist(sim)
def test_ac(self):
cir = gnucap.Circuit()
cir['V1'] = gnucap.VS(1, 0, 1, ac=1)
cir['R'] = gnucap.R(1,2,10e3)
cir['C'] = gnucap.C(2,0,1e-9)
sim = gnucap.Simulation(cir, direct=self.direct)
for freq in (1e3, [1e3], [1e3, 2e3], LinSweep(1e4, 1e5, 10), LogSweep(1e4, 1e5, decade=10)):
res = sim.run_ac(freq=freq)
v2 = res.v(2)
freq = v2.xval()
v2ref = 1/(1 + 2j*np.pi * freq * 10e3 * 1e-9)
assert_waveform_almost_equal(abs(v2), abs(v2ref), 5)