A little polishing of the Pow._eval_evalf().
treeb6e6b81419ba956c8446e11f14fb9859ffdd965a
-rw-r--r-- 51 .hgignore
-rw-r--r-- 692 .hgtags
-rw-r--r-- 1509 LICENSE
-rw-r--r-- 196 MANIFEST.in
-rw-r--r-- 4482 README
-rw-r--r-- 262 TODO
drwxr-xr-x - bin
drwxr-xr-x - data
drwxr-xr-x - doc
drwxr-xr-x - examples
-rwxr-xr-x 8796 setup.py
drwxr-xr-x - sympy