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"""Module contains class CallsStage."""
from grortir.main.model.core.abstract_stage import AbstractStage
class CallsStage(AbstractStage):
"""Implementation of basic stage.
Cost is calculated by number of calls of cost function.
Attributes:
cost (float): Actual cost of stage.
max_calls (int): Maximum possible calls of cost quality function
name (str): Name of stage
"""
def __init__(self, name, max_calls, input_vector=()):
"""Constructor."""
super().__init__(input_vector)
self.max_calls = max_calls
self.name = name
self.control_params = [0] * len(self.input_vector)
self.cost = 0
def get_quality(self):
Return quality of actual output.
Returns:
quality (float): quality
self.cost += 1
return self.calculate_quality()
def calculate_quality(self):
Function for calculating quality.
Raises:
AssertionError: If length of `control_params`
is not equal length of `current_vector`
assert len(self.control_params) == len(self.current_vector)
quality = 0
for i in enumerate(self.control_params):
quality += (self.control_params[i[0]] - self.current_vector[
i[0]]) ** 2
return quality
def get_cost(self):
Return actual cost of stage.
cost (float): cost
return self.cost
def could_be_optimized(self):
"""Return answer if it is still possible to optimize that stage."""
return self.get_cost() < self.max_calls
qbahn /
grortir
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