Issue 693: wrong limit
http://code.google.com/p/sympy/issues/detail?id=693
Comment #11 by ondrej.certik:
Here is the patch fixing the real problem is really simple:
diff --git a/sympy/core/add.py b/sympy/core/add.py
index 0a86dbb..7e3c9cb 100644
--- a/sympy/core/add.py
+++ b/sympy/core/add.py
@@ -325,14 +325,14 @@ class Add(AssocOp):
seq = [(f, C.Order(f, *symbols)) for f in self.args]
for ef,of in seq:
for e,o in lst:
- if o.contains(of):
+ if o.contains(of) and o != of:
of = None
break
if of is None:
continue
new_lst = [(ef,of)]
for e,o in lst:
- if of.contains(o):
+ if of.contains(o) and o != of:
continue
new_lst.append((e,o))
lst = new_lst
But read the comment c16 in the issue 991 to see how many tests fail. I
think it
triggers a lot of other bugs that also need to be fixed.
Deferring.
Issue attribute updates:
Labels: -Milestone-Release0.6.3
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