def test_scale_list(self):
#
# fitness type MAX, test select type MAX
#
fitness = FitnessList(MAX)
fitness.extend([[.5, 0], [.25, 1], [2.5, 2]])
fit = Fitness(fitness)
fit.set_selection_type(MAX)
fit._scale_list()
# not inverted
self.assertAlmostEqual(.5, fit._selection_list[0])
self.assertAlmostEqual(.25, fit._selection_list[1])
self.assertAlmostEqual(2.5, fit._selection_list[2])
#
# fitness type MAX, test select type MIN
#
fit.set_fitness_list(fitness)
fit.set_selection_type(MIN)
fit._scale_list()
# inverted
self.assertAlmostEqual(2.0, fit._selection_list[0])
self.assertAlmostEqual(4.0, fit._selection_list[1])
self.assertAlmostEqual(0.4, fit._selection_list[2])
#
# fitness type MIN, test select type MAX
#
fitness.set_fitness_type(MIN)
fit.set_fitness_list(fitness)
fit.set_selection_type(MAX)
fit._scale_list()
# inverted
self.assertAlmostEqual(2.0, fit._selection_list[0])
self.assertAlmostEqual(4.0, fit._selection_list[1])
self.assertAlmostEqual(0.4, fit._selection_list[2])
#
# fitness type MIN, test select type MIN
#
fit.set_fitness_list(fitness)
fit.set_selection_type(MIN)
fit._scale_list()
# not inverted
self.assertAlmostEqual(.5, fit._selection_list[0])
self.assertAlmostEqual(.25, fit._selection_list[1])
self.assertAlmostEqual(2.5, fit._selection_list[2])
#
# fitness type CENTER, test select type MAX
#
fitness.set_fitness_type(CENTER)
fitness.set_target_value(.75)
fit.set_fitness_list(fitness)
fit.set_selection_type(MAX)
fit._scale_list()
# inverted
self.assertAlmostEqual(4.0, fit._selection_list[0])
self.assertAlmostEqual(2.0, fit._selection_list[1])
self.assertAlmostEqual(0.5714285714, fit._selection_list[2])
#
# fitness type CENTER, test select type MIN
#
fit.set_fitness_list(fitness)
fit.set_selection_type(MIN)
fit._scale_list()
# not inverted
self.assertAlmostEqual(.25, fit._selection_list[0])
self.assertAlmostEqual(.5, fit._selection_list[1])
self.assertAlmostEqual(1.75, fit._selection_list[2])
def test_scale_list(self):
#
# fitness type MAX, test select type MAX
#
fitness = FitnessList(MAX)
fitness.extend([[0.5, 0], [0.25, 1], [2.5, 2]])
fit = Fitness(fitness)
fit.set_selection_type(MAX)
fit._scale_list()
# not inverted
self.assertAlmostEqual(0.5, fit._selection_list[0])
self.assertAlmostEqual(0.25, fit._selection_list[1])
self.assertAlmostEqual(2.5, fit._selection_list[2])
#
# fitness type MAX, test select type MIN
#
fit.set_fitness_list(fitness)
fit.set_selection_type(MIN)
fit._scale_list()
# inverted
self.assertAlmostEqual(2.0, fit._selection_list[0])
self.assertAlmostEqual(4.0, fit._selection_list[1])
self.assertAlmostEqual(0.4, fit._selection_list[2])
#
# fitness type MIN, test select type MAX
#
fitness.set_fitness_type(MIN)
fit.set_fitness_list(fitness)
fit.set_selection_type(MAX)
fit._scale_list()
# inverted
self.assertAlmostEqual(2.0, fit._selection_list[0])
self.assertAlmostEqual(4.0, fit._selection_list[1])
self.assertAlmostEqual(0.4, fit._selection_list[2])
#
# fitness type MIN, test select type MIN
#
fit.set_fitness_list(fitness)
fit.set_selection_type(MIN)
fit._scale_list()
# not inverted
self.assertAlmostEqual(0.5, fit._selection_list[0])
self.assertAlmostEqual(0.25, fit._selection_list[1])
self.assertAlmostEqual(2.5, fit._selection_list[2])
#
# fitness type CENTER, test select type MAX
#
fitness.set_fitness_type(CENTER)
fitness.set_target_value(0.75)
fit.set_fitness_list(fitness)
fit.set_selection_type(MAX)
fit._scale_list()
# inverted
self.assertAlmostEqual(4.0, fit._selection_list[0])
self.assertAlmostEqual(2.0, fit._selection_list[1])
self.assertAlmostEqual(0.5714285714, fit._selection_list[2])
#
# fitness type CENTER, test select type MIN
#
fit.set_fitness_list(fitness)
fit.set_selection_type(MIN)
fit._scale_list()
# not inverted
self.assertAlmostEqual(0.25, fit._selection_list[0])
self.assertAlmostEqual(0.5, fit._selection_list[1])
self.assertAlmostEqual(1.75, fit._selection_list[2])
