def test_branin_3(self): self.assertLess(abs(0.397887 - branin([3 * pi, 2.475])), 1e-6)
def test_branin_1(self): self.assertLess(abs(0.397887 - branin([-pi, 12.275])), 1e-6)
def test_branin_2(self): self.assertLess(abs(0.397887 - branin([pi, 2.275])), 1e-6)
def test_branin(self): self.assertLess(abs(0.397887 - branin([ -pi, 12.275])), 1e-6) self.assertLess(abs(0.397887 - branin([ pi, 2.275])), 1e-6) self.assertLess(abs(0.397887 - branin([3*pi, 2.475])), 1e-6)