Source code for torchquantum.operator.standard_gates.i
from ..op_types import Observable
from abc import ABCMeta
from torchquantum.macro import C_DTYPE
import torchquantum as tq
import torch
from torchquantum.functional import mat_dict
import torchquantum.functional as tqf
[docs]class I(Observable, metaclass=ABCMeta):
"""Class for Identity Gate."""
num_params = 0
num_wires = 1
op_name = "i"
eigvals = torch.tensor([1, 1], dtype=C_DTYPE)
matrix = mat_dict["i"]
func = staticmethod(tqf.i)
@classmethod
def _matrix(cls, params):
return cls.matrix
@classmethod
def _eigvals(cls, params):
return cls.eigvals