def __lt__(self, other):
assert self.otype.data_otype() == gpt.ot_singlet
assert other.otype.data_otype() == gpt.ot_singlet
res = gpt.lattice(self)
params = {"operator": "<"}
cgpt.binary(res.v_obj[0], self.v_obj[0], other.v_obj[0], params)
return res
def multiply(a, b):
a = gpt(a)
b = gpt(b)
assert a.otype.__name__ == b.otype.__name__
res = gpt.lattice(a)
params = {"operator": "*"}
n = len(res.v_obj)
assert n == len(a.v_obj)
assert n == len(b.v_obj)
for i in range(n):
cgpt.binary(res.v_obj[i], a.v_obj[i], b.v_obj[i], params)
return res