def setUp(self):
f = lambda x: sin(30 * x)
subinterval = Interval(-2, 3)
self.f = f
self.ff = Bndfun.initfun_adaptive(f, subinterval)
self.xx = subinterval(np.linspace(-1, 1, 100))
self.emptyfun = Bndfun(Chebtech2.initempty(), subinterval)
self.constfun = Bndfun(Chebtech2.initconst(1.), subinterval)
def setUp(self):
f = lambda x: sin(30*x)
subinterval = Interval(-2,3)
self.f = f
self.ff = Bndfun.initfun_adaptive(f, subinterval)
self.xx = subinterval(np.linspace(-1,1,100))
self.emptyfun = Bndfun(Chebtech2.initempty(), subinterval)
self.constfun = Bndfun(Chebtech2.initconst(1.), subinterval)
def test_const(self):
ff = Chebtech2.initconst(0.)
gg = Chebtech2.initconst(2.)
self.assertEquals(ff.roots().size, 0)
self.assertEquals(gg.roots().size, 0)
def test_const_construction(self):
ff = Chebtech2.initconst(1.)
self.assertEquals(ff.size, 1)
self.assertTrue(ff.isconst)
self.assertFalse(ff.isempty)
self.assertRaises(ValueError, Chebtech2.initconst, [1.])
def test_clenshaw__float_output(self):
ff = Chebtech2.initconst(1)
gg = Chebtech2.initconst(1.)
self.assertTrue(isinstance(ff(0, "clenshaw"), float))
self.assertTrue(isinstance(gg(0, "clenshaw"), float))
def test_clenshaw__float_output(self):
ff = Chebtech2.initconst(1)
gg = Chebtech2.initconst(1.)
self.assertTrue(isinstance(ff(0, "clenshaw"), float))
self.assertTrue(isinstance(gg(0, "clenshaw"), float))
def test_bary__float_output(self):
ff = Chebtech2.initconst(1)
gg = Chebtech2.initconst(1.0)
self.assertTrue(isinstance(ff(0, "bary"), float))
self.assertTrue(isinstance(gg(0, "bary"), float))
def test_const(self):
ff = Chebtech2.initconst(0.)
gg = Chebtech2.initconst(2.)
self.assertEquals(ff.roots().size, 0)
self.assertEquals(gg.roots().size, 0)
def test_const_construction(self):
ff = Chebtech2.initconst(1.)
self.assertEquals(ff.size, 1)
self.assertTrue(ff.isconst)
self.assertFalse(ff.isempty)
self.assertRaises(ValueError, Chebtech2.initconst, [1.])
