Newer
Older
assert sig.violates_bounds() == False # because it is not fixed
assert sig.is_nnr() == False # because it is not fixed
assert sig.are_bounds_nnr() == True # because it is within the range [0,1]
sig.set_signal(samples=[random.randint(0, 1) for _ in range(number_intervals)])
assert sig.is_signal_binary_only(integrality_tolerance=0.0) == True
assert sig.is_signal_integer_only(integrality_tolerance=0.0) == True
# **************************************************************************
# trigger errors
# by specifying an integrality tolerance greater than or equal to 0.5
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig.is_signal_binary_only(integrality_tolerance=0.5)
except ValueError:
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error_was_raised = True
assert error_was_raised
# by specifying an integrality tolerance greater than or equal to 0.5
Pedro L. Magalhães
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error_was_raised = False
try:
sig.is_signal_integer_only(integrality_tolerance=0.5)
except ValueError:
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error_was_raised = True
assert error_was_raised
# by specifying an integrality tolerance as a tuple
Pedro L. Magalhães
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error_was_raised = False
try:
sig.is_signal_binary_only(integrality_tolerance=(0.5,))
except TypeError:
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error_was_raised = True
assert error_was_raised
# by specifying an integrality tolerance as a tuple
Pedro L. Magalhães
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error_was_raised = False
try:
sig.is_signal_integer_only(integrality_tolerance=(0.5,))
except TypeError:
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error_was_raised = True
assert error_was_raised
# by specifying the number of samples as a float
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error_was_raised = False
try:
sig = signal.BinarySignal(number_samples=float(number_intervals))
except TypeError:
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error_was_raised = True
assert error_was_raised
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# ******************************************************************************
# ******************************************************************************
def example_nnr_signals():
# number of time intervals
number_intervals = 3
# **************************************************************************
# error-free examples
# create an NNR signal
sig = signal.NonNegativeRealSignal(number_intervals)
assert sig.is_signal_fixed() == False
assert sig.is_signal_bounded() == True # it has lower bounds by default
assert sig.violates_bounds() == False # because it is not fixed
assert sig.is_nnr() == False # because it is not fixed
assert sig.are_bounds_nnr() == True # default case
# create a create an NNR signal with more specific lower bounds
sig = signal.NonNegativeRealSignal(
number_intervals, lower_bounds=[1 for i in range(number_intervals)]
)
assert sig.is_signal_fixed() == False
assert sig.is_signal_bounded() == True
assert sig.violates_bounds() == False # because it is not fixed
assert sig.is_nnr() == False # because it is not fixed
assert sig.are_bounds_nnr() == True
# create a create an NNR signal with more specific upper bounds
sig = signal.NonNegativeRealSignal(
number_intervals, upper_bounds=[1 for i in range(number_intervals)]
)
assert sig.is_signal_fixed() == False
assert sig.is_signal_bounded() == True
assert sig.violates_bounds() == False # because it is not fixed
assert sig.is_nnr() == False # because it is not fixed
assert sig.are_bounds_nnr() == True
# create a fixed NNR signal
sig = signal.FixedNonNegativeRealSignal(
samples=[random.random() for i in range(number_intervals)]
)
assert sig.is_signal_fixed() == True
assert sig.is_signal_bounded() == True
assert sig.violates_bounds() == False # no, since samples are within [0,1]
assert sig.is_nnr() == True # yes, same as above
assert sig.are_bounds_nnr() == True # yes, same as above
# create a fixed NNR signal with binary numbers
sig = signal.FixedNonNegativeRealSignal(
samples=[random.randint(0, 1) for i in range(number_intervals)]
)
assert sig.is_signal_fixed() == True
assert sig.is_signal_bounded() == True
assert sig.violates_bounds() == False # no, since samples are within [0,1]
assert sig.is_nnr() == True # yes, same as above
assert sig.are_bounds_nnr() == True # yes, same as above
assert sig.is_signal_integer_only() == True
# **************************************************************************
# trigger errors
# by providing a float as the number of intervals
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig = signal.NonNegativeRealSignal(number_samples=float(number_intervals))
except TypeError:
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error_was_raised = True
assert error_was_raised
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error_was_raised = False
try:
sig = signal.NonNegativeRealSignal(
number_samples=number_intervals,
lower_bounds=[-1 for i in range(number_intervals)],
)
except ValueError:
Pedro L. Magalhães
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error_was_raised = True
assert error_was_raised
# by providing samples that are not nnr
samples = [random.random() for i in range(number_intervals)]
samples[-1] = -1
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committed
error_was_raised = False
try:
sig = signal.FixedNonNegativeRealSignal(samples=samples)
except ValueError:
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error_was_raised = True
assert error_was_raised
# by providing samples as tuples
samples = (random.random() for i in range(number_intervals))
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error_was_raised = False
try:
sig = signal.FixedNonNegativeRealSignal(samples=samples)
except TypeError:
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error_was_raised = True
assert error_was_raised
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# ******************************************************************************
# ******************************************************************************
def example_set_signal():
# number of time intervals
number_intervals = 3
# **************************************************************************
# error-free examples
# create a free signal and set it afterwards
sig = signal.FreeUnboundedSignal(number_samples=number_intervals)
samples = [random.random() for i in range(number_intervals)]
assert sig.is_signal_fixed() == False
sig.set_signal(samples)
assert sig.is_signal_fixed() == True
# create a fixed signal and set it to something else afterwards
sig = signal.FixedSignal(
samples=[0.5 for i in range(number_intervals)],
lower_bounds=[0 for i in range(number_intervals)],
upper_bounds=[1 for i in range(number_intervals)],
)
assert sig.is_signal_fixed() == True
assert sig.violates_bounds() == False
new_samples = [2 for i in range(number_intervals)]
sig.set_signal(new_samples)
assert sig.is_signal_fixed() == True
assert sig.violates_bounds() == True
# **************************************************************************
# trigger errors
# by providing an integer instead of a list
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig.set_signal(samples=3)
except TypeError:
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committed
error_was_raised = True
assert error_was_raised
# by providing an incorrectly sized list
Pedro L. Magalhães
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error_was_raised = False
try:
sig.set_signal(samples=[2 for i in range(number_intervals + 1)])
except ValueError:
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committed
error_was_raised = True
assert error_was_raised
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# **************************************************************************
# ******************************************************************************
# ******************************************************************************
def example_bounded_signals():
# number of time intervals
number_intervals = 3
# **************************************************************************
# error-free examples
# create an upper bounded signal via the main class
sig = signal.Signal(
number_samples=number_intervals,
samples=None,
lower_bounds=None,
upper_bounds=[10 for i in range(number_intervals)],
)
assert sig.is_signal_fixed() == False # because it has no samples
assert sig.is_signal_bounded() == True # because it does
assert sig.has_upper_bounds() == True # because it does
assert sig.has_lower_bounds() == False # because it does not
assert sig.violates_bounds() == False # because it is not fixed
# create a lower bounded signal via the main class
sig = signal.Signal(
number_samples=number_intervals,
samples=None,
lower_bounds=[10 for i in range(number_intervals)],
upper_bounds=None,
)
assert sig.is_signal_fixed() == False # because it has no samples
assert sig.is_signal_bounded() == True # because it is
assert sig.has_upper_bounds() == False # because it does not
assert sig.has_lower_bounds() == True # because it does
assert sig.violates_bounds() == False # because it is not fixed
# create a signal with upper and lower bounds via the main class
sig = signal.Signal(
number_samples=number_intervals,
samples=None,
lower_bounds=[3 for i in range(number_intervals)],
upper_bounds=[10 for i in range(number_intervals)],
)
assert sig.is_signal_fixed() == False # because it has no samples
assert sig.is_signal_bounded() == True # because it is
assert sig.has_upper_bounds() == True # because it does
assert sig.has_lower_bounds() == True # because it does
assert sig.violates_bounds() == False # because it is not fixed
# create a fixed signal whose upper bounds are violated every time
sig = signal.FixedSignal(
samples=[11 for i in range(number_intervals)],
lower_bounds=[4 for i in range(number_intervals)],
upper_bounds=[10 for i in range(number_intervals)],
)
assert sig.is_signal_fixed() == True # because it has no samples
assert sig.is_signal_bounded() == True # because it is
assert sig.violates_bounds() == True # because 11 > 4
# create a fixed signal whose lower bounds are violated every time
sig = signal.FixedSignal(
samples=[3 for i in range(number_intervals)],
lower_bounds=[4 for i in range(number_intervals)],
upper_bounds=[10 for i in range(number_intervals)],
)
assert sig.is_signal_fixed() == True # because it has no samples
assert sig.is_signal_bounded() == True # because it does
assert sig.violates_bounds() == True # because 3 < 4
# create a fixed signal whose upper bounds are violated only once
samples = [5 for i in range(number_intervals)]
samples[-1] = 11
sig = signal.FixedSignal(
samples=samples,
lower_bounds=[4 for i in range(number_intervals)],
upper_bounds=[10 for i in range(number_intervals)],
)
assert sig.is_signal_fixed() == True # because it has no samples
assert sig.is_signal_bounded() == True # because it is
assert sig.violates_bounds() == True # because 11 > 4
# create a fixed signal whose lower bounds are violated only once
samples = [5 for i in range(number_intervals)]
samples[-1] = 3
sig = signal.FixedSignal(
samples=samples,
lower_bounds=[4 for i in range(number_intervals)],
upper_bounds=[10 for i in range(number_intervals)],
)
assert sig.is_signal_fixed() == True # because it has no samples
assert sig.is_signal_bounded() == True # because it does
assert sig.violates_bounds() == True # because 3 < 4
# **************************************************************************
# trigger errors
# by providing upper bounds with an inconsistent number of samples
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig = signal.Signal(
number_samples=number_intervals,
samples=None,
lower_bounds=None,
upper_bounds=[10 for i in range(number_intervals - 1)], # one too few
)
except ValueError:
Pedro L. Magalhães
committed
error_was_raised = True
assert error_was_raised
# by providing lower bounds with an inconsistent number of samples
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig = signal.Signal(
number_samples=number_intervals,
samples=None,
lower_bounds=[3 for i in range(number_intervals + 1)], # one extra
upper_bounds=None,
)
except ValueError:
Pedro L. Magalhães
committed
error_was_raised = True
assert error_was_raised
# by providing upper bounds not as a list but as a numeric type
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig = signal.Signal(
number_samples=number_intervals,
samples=None,
lower_bounds=[3 for i in range(number_intervals)], # one extra
upper_bounds=6,
)
except TypeError:
Pedro L. Magalhães
committed
error_was_raised = True
assert error_was_raised
# by providing lower bounds not as a list but as a numeric type
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig = signal.Signal(
number_samples=number_intervals,
samples=None,
lower_bounds=2,
upper_bounds=[5 for i in range(number_intervals)],
)
except TypeError:
Pedro L. Magalhães
committed
error_was_raised = True
assert error_was_raised
# by providing upper bounds lower than the lower bounds
lower_bounds = [5 for i in range(number_intervals)]
upper_bounds = [7 for i in range(number_intervals)]
upper_bounds[-1] = 3
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig = signal.Signal(
number_samples=number_intervals,
samples=None,
lower_bounds=lower_bounds,
upper_bounds=upper_bounds,
)
except ValueError:
Pedro L. Magalhães
committed
error_was_raised = True
assert error_was_raised
# by providing lower bounds higher than the uppper bounds
lower_bounds = [5 for i in range(number_intervals)]
upper_bounds = [7 for i in range(number_intervals)]
lower_bounds[-1] = 9
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig = signal.Signal(
number_samples=number_intervals,
samples=None,
lower_bounds=lower_bounds,
upper_bounds=upper_bounds,
)
except ValueError:
Pedro L. Magalhães
committed
error_was_raised = True
assert error_was_raised
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# ******************************************************************************
# ******************************************************************************
def example_free_signals():
# number of time intervals
number_intervals = 3
# **************************************************************************
# error-free examples
# create a free signal without bounds via the main class
sig = signal.Signal(
number_samples=number_intervals,
samples=None,
lower_bounds=None,
upper_bounds=None,
)
assert sig.is_signal_fixed() == False # because it has no samples
assert sig.is_signal_bounded() == False # because it has none
assert sig.violates_bounds() == False # because it has none
# create a free signal via a specific class
sig = signal.FreeSignal(number_samples=number_intervals)
assert sig.is_signal_fixed() == False # because it has no samples
assert sig.is_signal_bounded() == False # because it has none
assert sig.violates_bounds() == False # because it has none
# create a free signal without bounds via a specific class
sig = signal.FreeUnboundedSignal(number_samples=number_intervals)
assert sig.is_signal_fixed() == False # because it has no samples
assert sig.is_signal_bounded() == False # because it has none
assert sig.violates_bounds() == False # because it has none
# **************************************************************************
# trigger errors
# by providing a float as the number of intervals
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig = signal.Signal(
number_samples=float(number_intervals),
samples=None,
lower_bounds=None,
upper_bounds=None,
)
except TypeError:
Pedro L. Magalhães
committed
error_was_raised = True
assert error_was_raised
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# ******************************************************************************
# ******************************************************************************
def example_fixed_signals():
# number of time intervals
number_intervals = 3
# **************************************************************************
# error-free examples
# create a fixed input made up of reals
sig = signal.FixedSignal(samples=[random.random() for k in range(number_intervals)])
assert sig.is_signal_fixed() == True # because it is predetermined
assert sig.is_signal_bounded() == False # because it has none
assert sig.violates_bounds() == False # because it has none
# create a fixed signal using the main class
sig = signal.Signal(
number_samples=number_intervals,
samples=[random.random() for k in range(number_intervals)],
lower_bounds=None,
upper_bounds=None,
)
assert sig.is_signal_fixed() == True # because it is predetermined
assert sig.is_signal_bounded() == False # because it has none
assert sig.violates_bounds() == False # because it has none
# **************************************************************************
# trigger errors
# by providing a None when creating a FixedSignal
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig = signal.FixedSignal(samples=None)
except TypeError:
Pedro L. Magalhães
committed
error_was_raised = True
assert error_was_raised
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig = signal.FixedSignal(samples=[])
except ValueError:
Pedro L. Magalhães
committed
error_was_raised = True
assert error_was_raised
# by providing the number of samples as a float
Pedro L. Magalhães
committed
error_was_raised = False
try:
sig = signal.Signal(
number_samples=float(number_intervals),
samples=[random.random() for k in range(number_intervals)],
lower_bounds=None,
upper_bounds=None,
)
except TypeError:
Pedro L. Magalhães
committed
error_was_raised = True
assert error_was_raised
# ******************************************************************************
# ******************************************************************************