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Issue #2478: Decimal(sqrt(0)) failed when the decimal context

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was not explicitly supplied.
This commit is contained in:
Mark Dickinson 2008-03-25 14:33:23 +00:00
parent f8f1fbd53c
commit 3b24ccbe7e
3 changed files with 11 additions and 3 deletions
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6
Lib/decimal.py
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@ -2453,6 +2453,9 @@ class Decimal(object):
def sqrt(self, context=None):
"""Return the square root of self."""
if context is None:
context = getcontext()
if self._is_special:
ans = self._check_nans(context=context)
if ans:
@ -2466,9 +2469,6 @@ class Decimal(object):
ans = _dec_from_triple(self._sign, '0', self._exp // 2)
return ans._fix(context)
if context is None:
context = getcontext()
if self._sign == 1:
return context._raise_error(InvalidOperation, 'sqrt(-x), x > 0')