diff options
Diffstat (limited to 'Lib/decimal.py')
| -rw-r--r-- | Lib/decimal.py | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/Lib/decimal.py b/Lib/decimal.py index c61b549..5e53d8e 100644 --- a/Lib/decimal.py +++ b/Lib/decimal.py @@ -1040,14 +1040,16 @@ class Decimal(object): if ans: return ans - if not self: - # -Decimal('0') is Decimal('0'), not Decimal('-0') + if context is None: + context = getcontext() + + if not self and context.rounding != ROUND_FLOOR: + # -Decimal('0') is Decimal('0'), not Decimal('-0'), except + # in ROUND_FLOOR rounding mode. ans = self.copy_abs() else: ans = self.copy_negate() - if context is None: - context = getcontext() return ans._fix(context) def __pos__(self, context=None): @@ -1060,14 +1062,15 @@ class Decimal(object): if ans: return ans - if not self: - # + (-0) = 0 + if context is None: + context = getcontext() + + if not self and context.rounding != ROUND_FLOOR: + # + (-0) = 0, except in ROUND_FLOOR rounding mode. ans = self.copy_abs() else: ans = Decimal(self) - if context is None: - context = getcontext() return ans._fix(context) def __abs__(self, round=True, context=None): |