diff options
| -rw-r--r-- | Lib/decimal.py | 6 | ||||
| -rw-r--r-- | Lib/test/test_decimal.py | 6 | ||||
| -rw-r--r-- | Misc/developers.txt | 3 |
3 files changed, 12 insertions, 3 deletions
diff --git a/Lib/decimal.py b/Lib/decimal.py index 75a1d5e..a2e7fa4 100644 --- a/Lib/decimal.py +++ b/Lib/decimal.py @@ -2454,6 +2454,9 @@ class Decimal(_numbers.Real): 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: @@ -2467,9 +2470,6 @@ class Decimal(_numbers.Real): 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') diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py index 7c607f9..a76b505 100644 --- a/Lib/test/test_decimal.py +++ b/Lib/test/test_decimal.py @@ -1303,6 +1303,12 @@ class DecimalUsabilityTest(unittest.TestCase): d = d1.max(d2) self.assertTrue(type(d) is Decimal) + def test_implicit_context(self): + # Check results when context given implicitly. (Issue 2478) + c = getcontext() + self.assertEqual(str(Decimal(0).sqrt()), + str(c.sqrt(Decimal(0)))) + class DecimalPythonAPItests(unittest.TestCase): diff --git a/Misc/developers.txt b/Misc/developers.txt index 089e122..afb031f 100644 --- a/Misc/developers.txt +++ b/Misc/developers.txt @@ -17,6 +17,9 @@ the format to accommodate documentation needs as they arise. Permissions History ------------------- +- Benjamin Peterson was given SVN access on 25 March 2008 by Georg + Brandl, for bug triage work. + - Jerry Seutter was given SVN access on 20 March 2008 by BAC, for general contributions to Python. |