Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Issue 3223:degree((x+1)**10000) takes too long #1793

Closed
wants to merge 3 commits into from
+21 −0
Closed

Issue 3223:degree((x+1)**10000) takes too long #1793

Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
4522443
Issue 3223 fixed
hargup Feb 16, 2013
7fee1c0
Errors in previous commit fixed.
hargup Feb 16, 2013
1c8b3c3
Update sympy/polys/polytools.py
hargup Feb 18, 2013
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
Errors in previous commit fixed.
  • Loading branch information
@hargup
hargup committed Feb 16, 2013
commit 7fee1c06da95bf2a83be35c95c23ee1a592eea77
16 changes: 8 additions & 8 deletions sympy/polys/polytools.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1692,7 +1692,6 @@ def degree(f, gen=0):

"""
j = f._gen_to_level(gen)

if hasattr(f.rep, 'degree'):
return f.rep.degree(j)
else: # pragma: no cover
Expand Down Expand Up @@ -3953,18 +3952,19 @@ def degree(f, *gens, **args):
1

"""
if len(gens)==0:
gens_present=False
if len(gens) == 0:
gens_present = False
else:
gens_present=True
gens_present = True

if f.is_polynomial():
for sym in f.free_symbols:
if len(f.free_symbols) == 1:
sym = f.free_symbols.pop()
if gens_present:
if sym==gens[0]:
return -f.subs(sym,1/sym).leadterm(sym)[1]
if sym == gens[0]:
return -f.subs(sym, 1/sym).leadterm(sym)[1]
else:
return -f.subs(sym,1/sym).leadterm(sym)[1]
return -f.subs(sym, 1/sym).leadterm(sym)[1]

options.allowed_flags(args, ['gen', 'polys'])
try:
Expand Down