def test_neos_foobar(self):
M = create_lp1()
opt = Solver('foobar', server='neos')
try:
res = opt.solve(M)
except RuntimeError:
pass
def test_lp1(self):
M = create_lp1()
opt = Solver('glpk')
self.assertTrue(opt.available())
res = opt.solve(M)
self.assertTrue(math.isclose(M.x.value, 1, abs_tol=1e-6))
self.assertTrue(math.isclose(M.y.value, 0, abs_tol=1e-6))
def test_neos_cbc_options(self):
M = create_lp1()
opt = Solver('cbc', server='neos', email='*****@*****.**', foo=1, bar=None)
self.assertTrue(opt.available())
res = opt.solve(M)
self.assertTrue(math.isclose(M.x.value, 1, abs_tol=1e-6))
self.assertTrue(math.isclose(M.y.value, 0, abs_tol=1e-6))
def test_neos_ipopt_available(self):
M = create_nlp1()
opt = Solver('ipopt', server='neos', email='*****@*****.**', max_cpu_time=1e-12)
self.assertTrue(opt.available())
res = opt.solve(M)
#M.x.pprint()
res = opt.solve(M, max_cpu_time=100)
self.assertTrue(math.isclose(opt.solver_options['max_cpu_time'], 1e-12))
def test_nlp1(self):
M = create_nlp1()
opt = Solver('ipopt', tee=True, max_cpu_time=1e-12, print_level=0)
self.assertTrue(opt.available())
#opt.config.display()
#print(opt.solver.options)
res = opt.solve(M)
res = opt.solve(M, max_cpu_time=100)
# Solving with a solver option doesn't change the value configured when creating the solver
self.assertTrue(math.isclose(opt.solver.options.max_cpu_time, 1e-12))
def test_glpk_executable(self):
try:
opt = Solver('glpk', executable="glpk_foobar")
except ValueError:
pass
#
opt = Solver('glpk')
opt.config.executable = 'glpk_foobar'
try:
self.assertTrue(opt.available())
except ValueError:
pass
#
M = create_lp1()
opt = Solver('glpk')
opt.config.executable = 'glpk_foobar'
try:
self.assertTrue(opt.solve(M))
except ValueError:
pass
def test_lp1(self):
try:
Solver('foobar')
except AssertionError:
pass
def Xtest_neos_cbc_missing(self):
try:
opt = Solver('cbc', server='neos')
except AssertionError:
pass