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6288873 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | from dataclasses import dataclass
from jax.tree_util import register_pytree_node_class
from typing import TypeVar, Tuple, Any, Type, Optional
from .config import Projector_Method
T_VariPEPS_Global_State = TypeVar(
"T_VariPEPS_Global_State", bound="VariPEPS_Global_State"
)
@dataclass
@register_pytree_node_class
class VariPEPS_Global_State:
"""
Class to track internal global state. Values of the instance of this
class should not be modified by users.
"""
ctmrg_effective_truncation_eps: Optional[float] = None
ctmrg_projector_method: Optional[Projector_Method] = None
basinhopping_disable_half_projector: Optional[bool] = None
def tree_flatten(self) -> Tuple[Tuple[Any, ...], Tuple[Any, ...]]:
aux_data = (
{name: getattr(self, name) for name in self.__dataclass_fields__.keys()},
)
return ((), aux_data)
@classmethod
def tree_unflatten(
cls: Type[T_VariPEPS_Global_State],
aux_data: Tuple[Any, ...],
children: Tuple[Any, ...],
) -> T_VariPEPS_Global_State:
(data_dict,) = aux_data
return cls(**data_dict)
global_state = VariPEPS_Global_State()
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