def get_dest_states(self) -> torch.Tensor:
'''Get (and compute if necessary) cached property self.dest_states.
For use by internal k2 code, relates to best-path.'''
if hasattr(self, 'dest_states') is False:
dest_states = _k2._get_dest_states(self.arcs, as_idx01=True)
self._update_cache('dest_states', dest_states)
return self.dest_states
def get_dest_states(self) -> torch.Tensor:
'''Get (and compute if necessary) cached property self.dest_states.
For use by internal k2 code, relates to best-path.'''
name, cache = 'dest_states', self._cache
if name not in cache:
cache[name] = _k2._get_dest_states(self.arcs, as_idx01=True)
return cache[name]
def update_dest_states(self) -> torch.Tensor:
if hasattr(self, 'dest_states') is False:
dest_states = _k2._get_dest_states(self.arcs, as_idx01=True)
self._update_cache('dest_states', dest_states)
return self.dest_states