Re: [sage-devel] RuntimeError on Exponentiation

2010-12-05 Thread William Stein
On Sun, Dec 5, 2010 at 10:52 AM, Iftikhar Burhanuddin wrote: > This is on mod.math.washington.edu. > > burha...@mod:~$ uname -m > x86_64 > > E = 2^(10^10) > > works fine on the subsequent attempts. I wonder why the error on the first > attempt. Perhaps there wasn't enough free RAM available on mo

Re: [sage-devel] RuntimeError on Exponentiation

2010-12-05 Thread Iftikhar Burhanuddin
This is on mod.math.washington.edu. burha...@mod:~$ uname -m x86_64 E = 2^(10^10) works fine on the subsequent attempts. I wonder why the error on the first attempt. On Sun, 5 Dec 2010, John Cremona wrote: On a 64-bit machine I can compute 2^)10^10) with no trouble. On a 32-bit machine I

Re: [sage-devel] RuntimeError on Exponentiation

2010-12-05 Thread John Cremona
On a 64-bit machine I can compute 2^)10^10) with no trouble. On a 32-bit machine I get a more explicit error message than you reported: RuntimeError: exponent must be at most 2147483647 which answers your question. Note that this number is 2^31-1, and that 10^10 is larger than that by a factor

[sage-devel] RuntimeError on Exponentiation

2010-12-05 Thread Iftikhar Burhanuddin
Please explain the reason for the error. Is the number too big? If so what is the range of integer computability? Regards, Ifti sage: E = 2^(10^10) --- RuntimeError Traceback (most recent call l