def wendland(cls, d, k, **kwargs):
"""
Return the output of :meth:`mvpoly.cube.MVPolyCube.wendland`
converted to other polynomial subclasess.
"""
from mvpoly.cube import MVPolyCube
return cls(MVPolyCube.wendland(d, k, **kwargs), **kwargs)
def wendland(self):
return MVPolyCube.wendland(self.dim, self.n)
def test_wendland_dim5_order2(self) :
r = self.r
expected = (16*r*r + 7*r + 1) * (1 - r)**7
obtained = MVPolyCube.wendland(5, 2)
self.assertEqualUpToConstant(expected, obtained)
def test_wendland_dim5_order1(self) :
r = self.r
expected = (5*r + 1) * (1 - r)**5
obtained = MVPolyCube.wendland(5, 1)
self.assertEqualUpToConstant(expected, obtained)
def test_wendland_dim3_order3(self) :
r = self.r
expected = (32*r*r*r + 25*r*r + 8*r + 1) * (1 - r)**8
obtained = MVPolyCube.wendland(3, 3)
self.assertEqualUpToConstant(expected, obtained)
def test_wendland_dim3_order2(self) :
r = self.r
expected = (35*r*r + 18*r + 3) * (1 - r)**6
obtained = MVPolyCube.wendland(3, 2)
self.assertEqualUpToConstant(expected, obtained)
def test_wendland_dim1_order2(self) :
r = self.r
expected = (8*r*r + 5*r + 1) * (1 - r)**5
obtained = MVPolyCube.wendland(1, 2)
self.assertEqualUpToConstant(expected, obtained)
def test_wendland_dim5_order0(self) :
r = self.r
expected = (1 - r)**3
obtained = MVPolyCube.wendland(5, 0)
self.assertTrue(expected == obtained, "{0!s}".format((obtained)))