def _decompose_(self):
boolean_exprs = [
sympy_parser.parse_expr(boolean_str)
for boolean_str in self._boolean_strs
]
hamiltonian_polynomial_list = [
PauliSum.from_boolean_expression(boolean_expr, self._qubit_map)
for boolean_expr in boolean_exprs
]
return _get_gates_from_hamiltonians(hamiltonian_polynomial_list,
self._qubit_map, self._theta)
def _decompose_(self, qubits: Sequence['cirq.Qid']) -> 'cirq.OP_TREE':
qubit_map = dict(zip(self._parameter_names, qubits))
boolean_exprs = [
sympy_parser.parse_expr(boolean_str)
for boolean_str in self._boolean_strs
]
hamiltonian_polynomial_list = [
PauliSum.from_boolean_expression(boolean_expr, qubit_map)
for boolean_expr in boolean_exprs
]
return _get_gates_from_hamiltonians(hamiltonian_polynomial_list,
qubit_map, self._theta)
def __sub__(self, other):
from cirq.ops.linear_combinations import PauliSum
return PauliSum.from_pauli_strings(self).__sub__(other)