diff options
| -rw-r--r-- | Lib/decimal.py | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/Lib/decimal.py b/Lib/decimal.py index 7ae59d1..8870471 100644 --- a/Lib/decimal.py +++ b/Lib/decimal.py @@ -938,15 +938,13 @@ class Decimal(object): sign = 1 return Decimal( (sign, (0,), exp)) if not self: - if exp < other._exp - context.prec-1: - exp = other._exp - context.prec-1 + exp = max(exp, other._exp - context.prec-1) ans = other._rescale(exp, watchexp=0, context=context) if shouldround: ans = ans._fix(context) return ans if not other: - if exp < self._exp - context.prec-1: - exp = self._exp - context.prec-1 + exp = max(exp, self._exp - context.prec-1) ans = self._rescale(exp, watchexp=0, context=context) if shouldround: ans = ans._fix(context) @@ -1228,7 +1226,6 @@ class Decimal(object): if divmod and res.exp > context.prec + 1: return context._raise_error(DivisionImpossible) - ans = None prec_limit = 10 ** context.prec while 1: while op2.int <= op1.int: @@ -1454,24 +1451,25 @@ class Decimal(object): if context is None: context = getcontext() prec = context.prec - ans = self._fixexponents(prec, context) + ans = self._fixexponents(context) if len(ans._int) > prec: ans = ans._round(prec, context=context) - ans = ans._fixexponents(prec, context) + ans = ans._fixexponents(context) return ans - def _fixexponents(self, prec, context): + def _fixexponents(self, context): """Fix the exponents and return a copy with the exponent in bounds. Only call if known to not be a special value. """ folddown = context._clamp Emin = context.Emin - ans = Decimal(self) + ans = self ans_adjusted = ans.adjusted() if ans_adjusted < Emin: Etiny = context.Etiny() if ans._exp < Etiny: if not ans: + ans = Decimal(self) ans._exp = Etiny context._raise_error(Clamped) return ans @@ -1493,6 +1491,7 @@ class Decimal(object): Emax = context.Emax if ans_adjusted > Emax: if not ans: + ans = Decimal(self) ans._exp = Emax context._raise_error(Clamped) return ans @@ -1508,7 +1507,6 @@ class Decimal(object): context determines it. """ - if self._is_special: ans = self._check_nans(context=context) if ans: |