Status: Accepted
Owner: smichr
Labels: Type-Defect Priority-Medium

New issue 2076 by smichr: intcache error
http://code.google.com/p/sympy/issues/detail?id=2076

The following throws an intcache error:

h[4] >>> V=114034188
h[4] >>> a=77791786
h[4] >>> n=factorial(6)*nextprime(1001)*nextprime(200)
h[4] >>> F=lambda x,y,z:(x**2+y)%z
h[4] >>> F(F(V,a,n),a,n)

I don't understand the problem. If do a single call (the inner one) I don't get the error. But if I take the output of that inner call (45899530) and set that to V and do this:

V = 45899530
F(V,a,n),a,n

I get the error in master:
.
.
.
  File "sympy\core\numbers.py", line 918, in __eq__
    return Rational.__eq__(a, b)
  File "sympy\core\numbers.py", line 667, in __eq__
    other = _sympify(other)
  File "sympy\core\sympify.py", line 152, in _sympify
    return sympify(a, strict=True)
  File "sympy\core\sympify.py", line 80, in sympify
    return converter[cls](a)
  File "sympy\core\numbers.py", line 828, in __new__
    return _intcache[i]
RuntimeError: maximum recursion depth exceeded

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