Check in some documentation tweaks for PEP 3141, add some tests, and implement
the promotion to complex on pow(negative, fraction).
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py
index d9633af..b6b45ee 100644
--- a/Lib/test/test_builtin.py
+++ b/Lib/test/test_builtin.py
@@ -1358,11 +1358,13 @@
else:
self.assertAlmostEqual(pow(x, y, z), 24.0)
+ self.assertAlmostEqual(pow(-1, 0.5), 1j)
+ self.assertAlmostEqual(pow(-1, 1/3), 0.5 + 0.8660254037844386j)
+
self.assertRaises(TypeError, pow, -1, -2, 3)
self.assertRaises(ValueError, pow, 1, 2, 0)
self.assertRaises(TypeError, pow, -1, -2, 3)
self.assertRaises(ValueError, pow, 1, 2, 0)
- self.assertRaises(ValueError, pow, -342.43, 0.234)
self.assertRaises(TypeError, pow)