Comment #16 on issue 871 by Vinzent.Steinberg: failing sympify on
live.sympy.org
http://code.google.com/p/sympy/issues/detail?id=871
The output of parser.py:
>>> 1
Real(1)
=> One
>>> +1
Add(Real(1))
=> One
>>> -1
-(Real(1))
=> NegativeOne
>>> 1 + 2
Add(Real(1), Real(2))
=> Integer(3)
>>> 1+2+3
Add(Add(Real(1), Real(2)), Real(3))
=> Integer(6)
>>> 1+2*3
Add(Real(1), Mul(Real(2), Real(3)))
=> Integer(7)
>>> (1+2)*3
Mul(Add(Real(1), Real(2)), Real(3))
=> Integer(9)
>>> log(2*(1+10**3))
log(Mul(Real(2), Add(Real(1), Pow(Real(10), Real(3)))))
=> Function('log')(Integer(2002))
>>> (1+x)*3
Mul(Add(Real(1), Symbol('x')), Real(3))
=> Add(Integer(3), Mul(Integer(3), Symbol('x')))
>>> 2.3
Real(2.3)
=> Real('2.2999999999999998', prec=15)
>>> 1.0+1.0j
Add(Real(1.0), Real(1.0j))
Obviously complex numbers need to be fixed.
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