Source code for macop.solutions.BinarySolution

"""Binary solution class implementation
"""
import numpy as np

# modules imports
from .Solution import Solution


# Solution which stores solution data as binary array
[docs]class BinarySolution(Solution): """ Binary integer solution class Attributes: data: {ndarray} -- array of binary values size: {int} -- size of binary array values score: {float} -- fitness score value """ def __init__(self, data, size): """ Initialize binary solution using specific data Args: data: {ndarray} -- array of binary values size: {int} -- size of binary array values """ self._data = data self._size = size
[docs] def random(self, validator): """ Intialize binary array with use of validator to generate valid random solution Args: validator: {function} -- specific function which validates or not a solution Returns: {BinarySolution} -- new generated binary solution """ self._data = np.random.randint(2, size=self._size) while not self.isValid(validator): self._data = np.random.randint(2, size=self._size) return self
def __str__(self): return "Binary solution %s" % (self._data)