Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 3729 by [email protected]: integrate fail
http://code.google.com/p/sympy/issues/detail?id=3729
integrate(1/(1.08*x**2-4.3), x)
Traceback (most recent call last): File "<string>", line 1, in <module>
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/utilities/decorator.py",
line 25, in threaded_func return func(expr, *args, **kwargs)
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/integrals/integrals.py",
line 1360, in integrate return integral.doit(deep = False, meijerg =
meijerg, conds = conds)
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/integrals/integrals.py",
line 734, in doit antideriv = self._eval_integral(function, xab[0],
meijerg1)
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/integrals/integrals.py",
line 979, in _eval_integral parts.append(coeff * ratint(g, x))
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/integrals/rationaltools.py",
line 48, in ratint g, h = ratint_ratpart(p, q, x)
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/integrals/rationaltools.py",
line 150, in ratint_ratpart H = f - A.diff()*v + A*(u.diff()*v).quo(u) -
B*u
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/core/decorators.py",
line 67, in __sympifyit_wrapper return func(a, sympify(b, strict=True))
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/polys/polytools.py",
line 3535, in __mul__ return f.mul(g)
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/polys/polytools.py",
line 1327, in mul _, per, F, G = f._unify(g)
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/polys/polytools.py",
line 372, in _unify F = f.rep.convert(dom)
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/polys/polyclasses.py",
line 274, in convert return DMP(dmp_convert(f.rep, f.lev, f.dom, dom), dom,
f.lev)
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/polys/densebasic.py",
line 552, in dmp_convert return dup_convert(f, K0, K1)
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/polys/densebasic.py",
line 527, in dup_convert return dup_strip([ K1.convert(c, K0) for c in f ])
File "/base/data/home/apps/s~sympy-live-hrd/34.364711976382463821/sympy/sympy/polys/domains/domain.py",
line 83, in convert raise CoercionFailed("can't convert %s of type %s
to %s" % (a, K0, K1)) CoercionFailed: can't convert DMP([[1], []], ZZ,
ZZ[_b2,_b1]) of type ZZ[_b2,_b1] to RR
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