You're right. I've actually changed this and implemented in a
different way to see if i can get all the tests to pass.
Thank you

On 1/17/13, Christopher Smith <notifications@github.com> wrote:
>>      while 1:
>>          options['maxprec'] = min(oldmaxprec, 2*prec)
>>
>>          terms = [evalf(arg, prec + 10, options) for arg in v.args]
>> +        if nan_tup in terms:
>> +            return nan_tup[0], None, prec, prec
>
> I thought maybe None would be the last item, but perhaps you are right. Just
> checking.
>
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