Comment #69 on issue 1598 by Vinzent.Steinberg: New polynomials
manipulation module
http://code.google.com/p/sympy/issues/detail?id=1598
One tests seems to be failing currently:
_______________ sympy/solvers/tests/test_ode.py:test_separable2
________________
File "/home/one/src/sympy/sympy/solvers/tests/test_ode.py", line 295, in
test_separable2
assert dsolve(eq10, f(x), hint='separable') == sol10
File "/home/one/src/sympy/sympy/solvers/ode.py", line 416, in dsolve
match=hints[hint]), func, hints['order'], hint)
File "/home/one/src/sympy/sympy/core/multidimensional.py", line 127, in
wrapper
return f(*args, **kwargs)
File "/home/one/src/sympy/sympy/solvers/ode.py", line 808, in odesimp
eq = _handle_Integral(eq, func, order, hint)
File "/home/one/src/sympy/sympy/solvers/ode.py", line 1400, in
_handle_Integral
sol = expr.doit()
File "/home/one/src/sympy/sympy/core/basic.py", line 1511, in doit
terms = [ term.doit(**hints) for term in self.args ]
File "/home/one/src/sympy/sympy/core/basic.py", line 1511, in doit
terms = [ term.doit(**hints) for term in self.args ]
File "/home/one/src/sympy/sympy/integrals/integrals.py", line 154, in doit
antideriv = self._eval_integral(function, x)
File "/home/one/src/sympy/sympy/integrals/integrals.py", line 331, in
_eval_integral
parts.append(coeff * ratint(g, x))
File "/home/one/src/sympy/sympy/integrals/rationaltools.py", line 45, in
ratint
g, h = ratint_ratpart(p, q, x)
File "/home/one/src/sympy/sympy/integrals/rationaltools.py", line 124, in
ratint_ratpart
H = f - A.diff()*v + A*(u.diff()*v).exquo(u) - B*u
File "/home/one/src/sympy/sympy/core/decorators.py", line 106, in
__sympifyit_wrapper
return func(a, b)
File "/home/one/src/sympy/sympy/polys/polytools.py", line 1430, in __mul__
return f.mul(g)
File "/home/one/src/sympy/sympy/polys/polytools.py", line 773, in mul
_, per, F, G = f.unify(g)
File "/home/one/src/sympy/sympy/polys/polytools.py", line 439, in unify
F = f.rep.convert(dom)
File "/home/one/src/sympy/sympy/polys/polyclasses.py", line 1138, in
convert
return DMP(dmp_convert(f.rep, f.lev, f.dom, dom), dom, f.lev)
File "/home/one/src/sympy/sympy/polys/densebasic.py", line 212, in
dmp_convert
return dup_convert(f, K0, K1)
File "/home/one/src/sympy/sympy/polys/densebasic.py", line 206, in
dup_convert
return dup_strip([ K1.convert(c, K0) for c in f ])
File "/home/one/src/sympy/sympy/polys/algebratools.py", line 89, in
convert
raise CoercionFailed("can't convert %s of type %s to %s" % (a, K0, K1))
CoercionFailed: can't convert DMP([[1, 0]], ZZ) of type ZZ[_b0,_b1] to
ZZ(a,_b0,_b1)
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