def exercise_basis_of_mirror_plane_with_normal(): from cctbx.math_module import basis_of_mirror_plane_with_normal for u in [(1,0,0), (0,1,0), (0,0,1), (1,1,0), (1,1,1), (0,-1,1), (-1,1,1)]: u = mat.col(u) v,w = [ mat.col(x) for x in basis_of_mirror_plane_with_normal(u.elems) ] assert u.dot(v) == 0 assert u.dot(w) == 0 assert abs(v.cross(w)) != 0 try: basis_of_mirror_plane_with_normal((0,0,0)) except AssertionError: pass else: raise Exception_expected
def exercise_basis_of_mirror_plane_with_normal(): from cctbx.math_module import basis_of_mirror_plane_with_normal for u in [(1, 0, 0), (0, 1, 0), (0, 0, 1), (1, 1, 0), (1, 1, 1), (0, -1, 1), (-1, 1, 1)]: u = mat.col(u) v, w = [mat.col(x) for x in basis_of_mirror_plane_with_normal(u.elems)] assert u.dot(v) == 0 assert u.dot(w) == 0 assert abs(v.cross(w)) != 0 try: basis_of_mirror_plane_with_normal((0, 0, 0)) except AssertionError: pass else: raise Exception_expected
def basis_of_invariant(self): from cctbx.math_module import basis_of_mirror_plane_with_normal if not hasattr(self, '_basis_of_invariant'): if self.type() == 1: basis = ((1, 0, 0), (0, 1, 0), (0, 0, 1)) elif self.type() == -2: basis = basis_of_mirror_plane_with_normal(self.ev()) elif self.type() < 0: basis = () else: basis = (self.ev(), ) self._basis_of_invariant = basis return self._basis_of_invariant
def basis_of_invariant(self): from cctbx.math_module import basis_of_mirror_plane_with_normal if not hasattr(self, '_basis_of_invariant'): if self.type() == 1: basis = ((1,0,0), (0,1,0), (0,0,1)) elif self.type() == -2: basis = basis_of_mirror_plane_with_normal(self.ev()) elif self.type() < 0: basis = () else: basis = (self.ev(), ) self._basis_of_invariant = basis return self._basis_of_invariant