コード例 #1
0
ファイル: t_nomials.py プロジェクト: galbramc/gpkit
 def test_mono_lower_bound(self):
     "Test monomial approximation"
     x = Variable('x')
     y = Variable('y')
     p = y**2 + 1
     self.assertRaises(TypeError, lambda: y.mono_lower_bound({y: 1}))
     self.assertEqual(p.mono_lower_bound({y: 1}), 2*y)
     self.assertEqual(p.mono_lower_bound({y: 0}), 1)
     self.assertEqual((x*y**2 + 1).mono_lower_bound({y: 1, x: 1}),
                      2*y*x**0.5)
     # test with units
     d = Variable('d', units='ft')
     h = Variable('h', units='ft')
     p = (d*h**2 + h*d**2)
     m = p.mono_lower_bound({d: 1, h: 1})
     self.assertEqual(m, 2*(d*h)**1.5)
コード例 #2
0
ファイル: t_nomials.py プロジェクト: friedenhe/gpkit
 def test_mono_lower_bound(self):
     "Test monomial approximation"
     x = Variable('x')
     y = Variable('y')
     p = y**2 + 1
     self.assertEqual(y.mono_lower_bound({y: 1}), y)
     # pylint is confused because it thinks p is a Signomial
     # pylint: disable=no-member
     self.assertEqual(p.mono_lower_bound({y: 1}), 2*y)
     self.assertEqual(p.mono_lower_bound({y: 0}), 1)
     self.assertEqual((x*y**2 + 1).mono_lower_bound({y: 1, x: 1}),
                      2*y*x**0.5)
     # test with units
     d = Variable('d', units='ft')
     h = Variable('h', units='ft')
     p = (d*h**2 + h*d**2)
     m = p.mono_lower_bound({d: 1, h: 1})
     self.assertEqual(m, 2*(d*h)**1.5)
コード例 #3
0
 def test_mono_lower_bound(self):
     "Test monomial approximation"
     x = Variable('x')
     y = Variable('y')
     p = y**2 + 1
     self.assertRaises(TypeError, lambda: y.mono_lower_bound({y: 1}))
     self.assertEqual(p.mono_lower_bound({y: 1}), 2 * y)
     self.assertEqual(p.mono_lower_bound({y: 0}), 1)
     self.assertEqual((x * y**2 + 1).mono_lower_bound({
         y: 1,
         x: 1
     }), 2 * y * x**0.5)
     # test with units
     d = Variable('d', units='ft')
     h = Variable('h', units='ft')
     p = (d * h**2 + h * d**2)
     m = p.mono_lower_bound({d: 1, h: 1})
     self.assertEqual(m, 2 * (d * h)**1.5)
コード例 #4
0
ファイル: t_nomials.py プロジェクト: bscohen1/gpkit
 def test_mono_lower_bound(self):
     "Test monomial approximation"
     x = Variable('x')
     y = Variable('y')
     p = y**2 + 1
     self.assertRaises(TypeError, lambda: y.mono_lower_bound({y: 1}))
     # TODO: remove pylint warning below after Nomials refactor
     # pylint is confused because it thinks p is a Signomial
     # pylint: disable=no-member
     self.assertEqual(p.mono_lower_bound({y: 1}), 2*y)
     self.assertEqual(p.mono_lower_bound({y: 0}), 1)
     self.assertEqual((x*y**2 + 1).mono_lower_bound({y: 1, x: 1}),
                      2*y*x**0.5)
     # test with units
     d = Variable('d', units='ft')
     h = Variable('h', units='ft')
     p = (d*h**2 + h*d**2)
     m = p.mono_lower_bound({d: 1, h: 1})
     self.assertEqual(m, 2*(d*h)**1.5)
コード例 #5
0
 def test_mono_lower_bound(self):
     "Test monomial approximation"
     x = Variable('x')
     y = Variable('y')
     p = y**2 + 1
     self.assertRaises(TypeError, lambda: y.mono_lower_bound({y: 1}))
     # TODO: remove pylint warning below after Nomials refactor
     # pylint is confused because it thinks p is a Signomial
     # pylint: disable=no-member
     self.assertEqual(p.mono_lower_bound({y: 1}), 2 * y)
     self.assertEqual(p.mono_lower_bound({y: 0}), 1)
     self.assertEqual((x * y**2 + 1).mono_lower_bound({
         y: 1,
         x: 1
     }), 2 * y * x**0.5)
     # test with units
     d = Variable('d', units='ft')
     h = Variable('h', units='ft')
     p = (d * h**2 + h * d**2)
     m = p.mono_lower_bound({d: 1, h: 1})
     self.assertEqual(m, 2 * (d * h)**1.5)