Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 3839 by [email protected]: ceil/ceiling: Difference between
0.7.2 and 0.7.1
http://code.google.com/p/sympy/issues/detail?id=3839
If I run sympy.S("ceil(2.3)").evalf() with sympy 0.7.1 then I get 3.
However, if I run the same using sympy 0.7.2 then I get an AttributeError
(see below). I discovered that switching to use ceiling() instead of
ceil() works, but I have no idea why ceil() disappeared in the first
place. Someone in IRC told me that the AttributeError was not the correct
behaviour for 0.7.2 either.
In [32]: S("ceil(2.3)").evalf()
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-32-82d9887af7f2> in <module>()
----> 1 S("ceil(2.3)").evalf()
/home/rob/tmp/sympy-install/lib/python2.7/site-packages/sympy/core/sympify.pyc
in
sympify(a, locals, convert_xor, strict, rational)
176 try:
177 a = a.replace('\n', '')
--> 178 expr = parse_expr(a, locals or {}, rational, convert_xor)
179 except (TokenError, SyntaxError):
180 raise SympifyError('could not parse %r' % a)
/home/rob/tmp/sympy-install/lib/python2.7/site-packages/sympy/parsing/sympy_parser.pyc
in
parse_expr(s, local_dict, rationalize, convert_xor)
160
161 code = _transform(s.strip(), local_dict, global_dict,
rationalize, convert_xor)
--> 162 expr = eval(code, global_dict, local_dict) # take local objects
in preference
163
164 if not hit:
<string> in <module>()
/home/rob/tmp/sympy-install/lib/python2.7/site-packages/sympy/core/symbol.pyc
in
__call__(self, *args)
111 def __call__(self, *args):
112 from function import Function
--> 113 return Function(self.name)(*args)
114
115 def as_real_imag(self, deep=True, **hints):
/home/rob/tmp/sympy-install/lib/python2.7/site-packages/sympy/core/function.pyc
in
__new__(cls, *args, **options)
596 args = map(sympify, args)
597 result = super(AppliedUndef, cls).__new__(cls, *args,
**options)
--> 598 result.nargs = len(args)
599 return result
600
AttributeError: 'Float' object has no attribute 'nargs'
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