Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 1624 by [email protected]: convex_hull argument handling
http://code.google.com/p/sympy/issues/detail?id=1624

Hi!

I recently found  the following issue:

from sympy import *
pts = [Point(Integer(-30), Integer(-21)), Point(Integer(-30),
Integer(-21)), Point(Integer(-30), Integer(-21))]
print convex_hull(pts)

gives:
> pythonw -u "test_bug.py"
Traceback (most recent call last):
   File "test_bug.py", line 3, in <module>
     print convex_hull(pts)
   File "c:\python25\lib\site-packages\sympy\geometry\util.py", line 113, in
convex_hull
     return Segment(convexHull[0],convexHull[1])
   File "c:\python25\lib\site-packages\sympy\geometry\line.py", line 465, in
__new__
     return LinearEntity.__new__(cls, p1, p2, **kwargs)
   File "c:\python25\lib\site-packages\sympy\geometry\line.py", line 20, in
__new__
     raise RuntimeError("%s.__new__ requires two distinct points" %
cls.__name__)
RuntimeError: Segment.__new__ requires two distinct points
> Exit code: 1

attached, are a test and the corresponding fix.



Attachments:
        0001-this-fixes-the-argument-handling-of-convex_hull.patch  2.7 KB
        0002-add-another-test.patch  1.2 KB

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