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Very few little improvements.

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This commit is contained in:
Facundo Batista 2004-10-26 23:38:46 +00:00
parent cb91900f6b
commit 99b5548298
1 changed files with 8 additions and 10 deletions
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18
Lib/decimal.py
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@ -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: