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Issue #4084: Fix max, min, max_mag and min_mag Decimal methods to

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give correct results in the case where one argument is a quiet NaN
and the other is a finite number that requires rounding.
Thanks Mark Dickinson.
This commit is contained in:
Facundo Batista 2008-12-11 04:20:07 +00:00
parent 10b24e87e5
commit 708d58179d
3 changed files with 37 additions and 16 deletions
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32
Lib/decimal.py
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@ -2651,10 +2651,10 @@ class Decimal(_numbers.Real):
sn = self._isnan()
on = other._isnan()
if sn or on:
if on == 1 and sn != 2:
return self._fix_nan(context)
if sn == 1 and on != 2:
return other._fix_nan(context)
if on == 1 and sn == 0:
return self._fix(context)
if sn == 1 and on == 0:
return other._fix(context)
return self._check_nans(other, context)
c = self._cmp(other)
@ -2693,10 +2693,10 @@ class Decimal(_numbers.Real):
sn = self._isnan()
on = other._isnan()
if sn or on:
if on == 1 and sn != 2:
return self._fix_nan(context)
if sn == 1 and on != 2:
return other._fix_nan(context)
if on == 1 and sn == 0:
return self._fix(context)
if sn == 1 and on == 0:
return other._fix(context)
return self._check_nans(other, context)
c = self._cmp(other)
@ -3251,10 +3251,10 @@ class Decimal(_numbers.Real):
sn = self._isnan()
on = other._isnan()
if sn or on:
if on == 1 and sn != 2:
return self._fix_nan(context)
if sn == 1 and on != 2:
return other._fix_nan(context)
if on == 1 and sn == 0:
return self._fix(context)
if sn == 1 and on == 0:
return other._fix(context)
return self._check_nans(other, context)
c = self.copy_abs()._cmp(other.copy_abs())
@ -3281,10 +3281,10 @@ class Decimal(_numbers.Real):
sn = self._isnan()
on = other._isnan()
if sn or on:
if on == 1 and sn != 2:
return self._fix_nan(context)
if sn == 1 and on != 2:
return other._fix_nan(context)
if on == 1 and sn == 0:
return self._fix(context)
if sn == 1 and on == 0:
return other._fix(context)
return self._check_nans(other, context)
c = self.copy_abs()._cmp(other.copy_abs())