def test_program_2(self):
self.tableau = builder_from_file("__test__/program2.lp").get()
obj, constraints, slack_vars, artificial_var = to_lp_description(
self.tableau)
self.assertEqual(
str(constraints[0]),
"2.00*x_1 + 5.00*x_2 + -1.00*_s_1 + 0.00*_s_2 + 0.00*_s_3 + 0.00*_s_4 + 1.00*_a_1 + 0.00*_a_2 <= 30.00"
)
self.assertEqual(
str(constraints[1]),
"-3.00*x_1 + 5.00*x_2 + 0.00*_s_1 + -1.00*_s_2 + 0.00*_s_3 + 0.00*_s_4 + 0.00*_a_1 + 1.00*_a_2 <= 5.00"
)
self.assertEqual(
str(constraints[2]),
"8.00*x_1 + 3.00*x_2 + 0.00*_s_1 + 0.00*_s_2 + 1.00*_s_3 + 0.00*_s_4 + 0.00*_a_1 + 0.00*_a_2 <= 85.00"
)
self.assertEqual(
str(constraints[3]),
"-9.00*x_1 + 7.00*x_2 + 0.00*_s_1 + 0.00*_s_2 + 0.00*_s_3 + 1.00*_s_4 + 0.00*_a_1 + 0.00*_a_2 <= 42.00"
)
self.assertEqual(
str(obj),
"obj -2.00*x_1 + -7.00*x_2 + 0.00*_s_1 + 0.00*_s_2 + 0.00*_s_3 + 0.00*_s_4 + 1000.00*_a_1 + 1000.00*_a_2"
)
self.assertEqual(slack_vars, {'_s_1', '_s_2', '_s_3', '_s_4'})
self.assertEqual(artificial_var, {'_a_1', '_a_2'})
def test(self):
self.tableau = builder_from_file("__test__/program1.lp").get()
obj, constraints, slack_vars, art_vars = to_lp_description(
self.tableau)
self.assertEqual(
str(constraints[0]),
"2.00*x_1 + -1.00*x_2 + -1.00*_s_1 + 0.00*_s_2 + 1.00*_a_1 <= 10.00"
)
self.assertEqual(
str(constraints[1]),
"1.00*x_1 + 1.00*x_2 + 0.00*_s_1 + 1.00*_s_2 + 0.00*_a_1 <= 20.00")
self.assertEqual(
str(obj),
"obj -5.00*x_1 + -10.00*x_2 + 0.00*_s_1 + 0.00*_s_2 + 1000.00*_a_1"
)
self.assertEqual(slack_vars, {'_s_1', '_s_2'})
self.assertEqual(art_vars, {'_a_1'})
def setUp(self):
self.tableau = builder_from_file("__test__/program3.lp")
def setUp(self):
from solver.helper.tableaus.read_from_files import builder_from_file
self.tb = builder_from_file("__test__/program5.lp")
def tableau_2():
return builder_from_file("__test__/program2.lp")
def tableau_no_solution():
return builder_from_file("__test__/program_no_solution.lp")
def tableau_unbound():
return builder_from_file("__test__/program_unbound.lp")