def generic(self, args, kws):
# For ordered comparisons, units must be compatible
left, right = args
if not all(isinstance(tp, types.NPTimedelta) for tp in args):
return
if (npdatetime_helpers.can_cast_timedelta_units(left.unit, right.unit) or
npdatetime_helpers.can_cast_timedelta_units(right.unit, left.unit)):
return signature(types.boolean, left, right)
def generic(self, args, kws):
if len(args) == 1:
# Guard against unary + and -
return
left, right = args
if not all(isinstance(tp, types.NPTimedelta) for tp in args):
return
if npdatetime_helpers.can_cast_timedelta_units(left.unit, right.unit):
return signature(right, left, right)
elif npdatetime_helpers.can_cast_timedelta_units(right.unit, left.unit):
return signature(left, left, right)
def generic(self, args, kws):
"""
(timedelta64, {int, float}) -> timedelta64
(timedelta64, timedelta64) -> float
"""
left, right = args
if not isinstance(left, types.NPTimedelta):
return
if isinstance(right, types.NPTimedelta):
if (npdatetime_helpers.can_cast_timedelta_units(left.unit, right.unit)
or npdatetime_helpers.can_cast_timedelta_units(right.unit, left.unit)):
return signature(types.float64, left, right)
elif isinstance(right, (types.Float)):
return signature(left, left, right)
elif isinstance(right, (types.Integer)):
# Force integer types to convert to signed because it matches
# timedelta64 semantics better.
return signature(left, left, types.int64)