def test_frequency_offset(self):
"""Test the frequency offset context."""
d0 = pulse.DriveChannel(0)
with pulse.build() as schedule:
with pulse.frequency_offset(1e9, d0):
pulse.delay(10, d0)
reference = pulse.Schedule()
reference += instructions.ShiftFrequency(1e9, d0) # pylint: disable=no-member
reference += instructions.Delay(10, d0)
reference += instructions.ShiftFrequency(-1e9, d0) # pylint: disable=no-member
self.assertEqual(schedule, reference)
def test_phase_compensated_frequency_offset(self):
"""Test that the phase offset context properly compensates for phase
accumulation."""
d0 = pulse.DriveChannel(0)
with pulse.build(self.backend) as schedule:
with pulse.frequency_offset(1e9, d0, compensate_phase=True):
pulse.delay(10, d0)
reference = pulse.Schedule()
reference += instructions.ShiftFrequency(1e9, d0) # pylint: disable=no-member
reference += instructions.Delay(10, d0)
reference += instructions.ShiftPhase(
-(1e9*10*self.configuration.dt % (2*np.pi)), d0)
reference += instructions.ShiftFrequency(-1e9, d0) # pylint: disable=no-member
self.assertEqual(schedule, reference)
def convert_shift_frequency(self, instruction):
"""Return converted `ShiftFrequency`.
Args:
instruction (PulseQobjInstruction): Shift frequency qobj instruction.
The input frequency is expressed in GHz,
so it will be scaled by a factor 1e9.
Returns:
Schedule: Converted and scheduled Instruction
"""
t0 = instruction.t0
channel = self.get_channel(instruction.ch)
frequency = instruction.frequency
if isinstance(frequency, str):
frequency_expr = parse_string_expr(frequency,
partial_binding=False)
def gen_sf_schedule(*args, **kwargs):
_frequency = frequency_expr(*args, **kwargs)
return instructions.ShiftFrequency(
_frequency * GIGAHERTZ_TO_SI_UNITS, channel) << t0
return ParameterizedSchedule(gen_sf_schedule,
parameters=frequency_expr.params)
else:
frequency = frequency * GIGAHERTZ_TO_SI_UNITS
return instructions.ShiftFrequency(frequency, channel) << t0
def convert_shift_frequency(self, instruction):
"""Return converted `ShiftFrequency`.
Args:
instruction (PulseQobjInstruction): Shift frequency qobj instruction.
Returns:
Schedule: Converted and scheduled Instruction
"""
t0 = instruction.t0
channel = self.get_channel(instruction.ch)
frequency = instruction.frequency * 1e9
if isinstance(frequency, str):
frequency_expr = parse_string_expr(frequency,
partial_binding=False)
def gen_sf_schedule(*args, **kwargs):
_frequency = frequency_expr(*args, **kwargs)
return instructions.ShiftFrequency(_frequency, channel) << t0
return ParameterizedSchedule(gen_sf_schedule,
parameters=frequency_expr.params)
return instructions.ShiftFrequency(frequency, channel) << t0
def test_shift_frequency(self): # pylint: disable=no-member
"""Test shift frequency instruction."""
d0 = pulse.DriveChannel(0)
with pulse.build() as schedule:
pulse.shift_frequency(0.1e9, d0)
reference = pulse.Schedule()
reference += instructions.ShiftFrequency(0.1e9, d0) # pylint: disable=no-member
self.assertEqual(schedule, reference)
def test_shift_frequency(self):
"""Test shift frequency instruction."""
d0 = pulse.DriveChannel(0)
with pulse.build() as schedule:
pulse.shift_frequency(0.1e9, d0)
reference = pulse.Schedule()
reference += instructions.ShiftFrequency(0.1e9, d0)
self.assertScheduleEqual(schedule, reference)
def test_shift_freq(self):
"""Test shift frequency basic functionality."""
shift_freq = instructions.ShiftFrequency(4.5e9,
channels.DriveChannel(1),
name="test")
self.assertIsInstance(shift_freq.id, int)
self.assertEqual(shift_freq.duration, 0)
self.assertEqual(shift_freq.frequency, 4.5e9)
self.assertEqual(shift_freq.operands,
(4.5e9, channels.DriveChannel(1)))
self.assertEqual(
shift_freq,
instructions.ShiftFrequency(4.5e9,
channels.DriveChannel(1),
name="test"))
self.assertNotEqual(
shift_freq,
instructions.ShiftFrequency(4.5e8,
channels.DriveChannel(1),
name="test"))
self.assertEqual(
repr(shift_freq),
"ShiftFrequency(4500000000.0, DriveChannel(1), name='test')")
def convert_shift_frequency(self, instruction):
"""Return converted `ShiftFrequency`.
Args:
instruction (PulseQobjInstruction): Shift frequency qobj instruction.
The input frequency is expressed in GHz,
so it will be scaled by a factor 1e9.
Returns:
Schedule: Converted and scheduled Instruction
"""
t0 = instruction.t0
channel = self.get_channel(instruction.ch)
frequency = self.disassemble_value(instruction.frequency) * GIGAHERTZ_TO_SI_UNITS
return instructions.ShiftFrequency(frequency, channel) << t0
def gen_sf_schedule(*args, **kwargs):
_frequency = frequency_expr(*args, **kwargs)
return instructions.ShiftFrequency(_frequency, channel) << t0
def gen_sf_schedule(*args, **kwargs):
_frequency = frequency_expr(*args, **kwargs)
return instructions.ShiftFrequency(
_frequency * GIGAHERTZ_TO_SI_UNITS, channel) << t0
def test_freq_non_pulse_channel(self):
"""Test shift frequency constructor with illegal channel"""
with self.assertRaises(exceptions.PulseError):
instructions.ShiftFrequency(4.5e9,
channels.RegisterSlot(1),
name="test")
