def clear(self):
self.title = None<EOL>self.numbers = np.zeros(<NUM_LIT:0>, int)<EOL>self.atom_types = [] <EOL>self.charges = [] <EOL>self.names = [] <EOL>self.molecules = np.zeros(<NUM_LIT:0>, int) <EOL>self.bonds = np.zeros((<NUM_LIT:0>, <NUM_LIT:2>), int)<EOL>self.bends = np.zeros((<NUM_LIT:0>, <NUM_LIT:3>), int)<EOL>self.dihedrals = np.zeros((<NUM_LIT:0>, <NUM_LIT:4>), int)<EOL>self.impropers = np.zeros((<NUM_LIT:0>, <NUM_LIT:4>), int)<EOL>self.name_cache = {}<EOL>
Clear the contents of the data structure