Comment #59 on issue 1766 by Vinzent.Steinberg: expand(power_base=True) is
too aggressive
http://code.google.com/p/sympy/issues/detail?id=1766
I'm getting failures for the 1766 branch. Actually it hangs somewhere when
your try
to run the tests:
[...]
sympy/solvers/tests/test_numeric.py[1] .
[OK]
^C interrupted by user
________________________________ xpassed tests
_________________________________
sympy/printing/tests/test_gtk.py:
________________________________________________________________________________
_____________ sympy/core/tests/test_expand.py:test_expand_mul_mult
_____________
File "/home/one/src/sympy/sympy/core/tests/test_expand.py", line 109, in
test_expand_mul_mult
5 + 12*x - 4*x**2 - 11*x**3
AssertionError
________________________________________________________________________________
______________ sympy/geometry/tests/test_geometry.py:test_polygon
______________
File "/home/one/src/sympy/sympy/geometry/tests/test_geometry.py", line
357, in
test_polygon
assert bisectors[p1] == Segment(p1, Point(Rational(5,2), Rational(5,2)))
AssertionError
________________________________________________________________________________
_____________ sympy/simplify/tests/test_simplify.py:test_simplify
______________
File "/home/one/src/sympy/sympy/simplify/tests/test_simplify.py", line
103, in
test_simplify
assert simplify(1/(1+sqrt(2))) == sqrt(2) - 1 # should radsimp of
numbers be
automatic?
AssertionError
________________________________________________________________________________
______________ sympy/simplify/tests/test_simplify.py:test_radsimp
______________
File "/home/one/src/sympy/sympy/simplify/tests/test_simplify.py", line
622, in
test_radsimp
(sqrt(x) - sqrt(y))/(x-y)
AssertionError
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