class TemporalEventPiecewiseLinear(TimeIntervalListBased, BaseTemporalEvent):
def __init__(self, input_list, output_list):
TimeIntervalListBased.__init__(self, input_list)
self.output_list = output_list
self.membership_function = MembershipFunctionPiecewiseLinear(
self, output_list)
self.membership_function_single_point = self.membership_function
def degree_in_interval(self, a=None, b=None, interval=None):
interval = self._interval_from_self_if_none(a, b, interval)
return self.membership_function_single_point.integrate(
interval.a, interval.b) / (interval.b - interval.a)
def to_list(self):
result = []
for i, time_step in enumerate(self):
if i == len(self) - 1 and self.output_list[len(self) - 1] == 0:
result.append(UnixTime(time_step - EPSILON))
result.append(time_step)
if i == 0 and self.output_list[0] == 0:
result.append(UnixTime(time_step + EPSILON))
return result
@TimeIntervalListBased.a.setter
def a(self, value):
TimeIntervalListBased.a.fset(value)
self.membership_function.invalidate()
@TimeIntervalListBased.b.setter
def b(self, value):
TimeIntervalListBased.b.fset(value)
self.membership_function.invalidate()
def __repr__(self):
pairs = [
'{0}: {1}'.format(self[i], self.output_list[i])
for i in xrange(len(self))
]
return '{0}({1})'.format(self.__class__.__name__, ', '.join(pairs))
# Every time that self as list changes, or output_list
# changes, membership_function should be invalidated
# Here, only the two main methods that change the list content have been overridden
# One can add more later if needed...
def append(self, x):
TimeIntervalListBased.append(self, x)
self.membership_function.invalidate()
def __setitem__(self, index, value):
TimeIntervalListBased.__setitem__(self, index, value)
self.membership_function.invalidate()
class TemporalEventPiecewiseLinear(TimeIntervalListBased, BaseTemporalEvent):
def __init__(self, input_list, output_list):
TimeIntervalListBased.__init__(self, input_list)
self.output_list = output_list
self.membership_function = MembershipFunctionPiecewiseLinear(self, output_list)
self.membership_function_single_point = self.membership_function
def degree_in_interval(self, a=None, b=None, interval=None):
interval = self._interval_from_self_if_none(a, b, interval)
return self.membership_function_single_point.integrate(interval.a, interval.b) / (interval.b - interval.a)
def to_list(self):
result = []
for i, time_step in enumerate(self):
if i == len(self) - 1 and self.output_list[len(self) - 1] == 0:
result.append(UnixTime(time_step - EPSILON))
result.append(time_step)
if i == 0 and self.output_list[0] == 0:
result.append(UnixTime(time_step + EPSILON))
return result
@TimeIntervalListBased.a.setter
def a(self, value):
TimeIntervalListBased.a.fset(value)
self.membership_function.invalidate()
@TimeIntervalListBased.b.setter
def b(self, value):
TimeIntervalListBased.b.fset(value)
self.membership_function.invalidate()
def __repr__(self):
pairs = ['{0}: {1}'.format(self[i], self.output_list[i]) for i in xrange(len(self))]
return '{0}({1})'.format(self.__class__.__name__, ', '.join(pairs))
# Every time that self as list changes, or output_list
# changes, membership_function should be invalidated
# Here, only the two main methods that change the list content have been overridden
# One can add more later if needed...
def append(self, x):
TimeIntervalListBased.append(self, x)
self.membership_function.invalidate()
def __setitem__(self, index, value):
TimeIntervalListBased.__setitem__(self, index, value)
self.membership_function.invalidate()
def __init__(self, input_list, output_list):
TimeIntervalListBased.__init__(self, input_list)
self.output_list = output_list
self.membership_function = MembershipFunctionPiecewiseLinear(
self, output_list)
self.membership_function_single_point = self.membership_function
def __init__(self, input_list, output_list):
TimeIntervalListBased.__init__(self, input_list)
self.output_list = output_list
self.membership_function = MembershipFunctionPiecewiseLinear(self, output_list)
self.membership_function_single_point = self.membership_function
