#7017: prime_range problem
---------------------------+------------------------------------------------
Reporter: kevin.stueve | Owner: kevin.stueve
Type: defect | Status: new
Priority: critical | Milestone:
Component: number theory | Keywords: prime_range, primes, prime number
theory, prime
Reviewer: | Author:
Merged: |
---------------------------+------------------------------------------------
I am having trouble with the following lines. I am on a
MacBook pro. kevin.stueve
from sage.rings.fast_arith import prime_range
print prime_range(10^16,10^16+100)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/guestadmin/.sage/sage_notebook/worksheets/admin/3/code/
22.py",
line 8, in <module>
print prime_range(_sage_const_10 **_sage_const_16 ,_sage_const_10
**_sage_const_16 +_sage_const_100 )
File "", line 1, in <module>
File "fast_arith.pyx", line 56, in sage.rings.fast_arith.prime_range
(sage/rings/fast_arith.c:3813)
File "fast_arith.pyx", line 105, in
sage.rings.fast_arith.prime_range (sage/rings/fast_arith.c:3580)
File "gen.pyx", line 8629, in
sage.libs.pari.gen.PariInstance.primes_up_to_n
(sage/libs/pari/gen.c:40808)
OverflowError: long int too large to convert to int
Those two lines gave me a segfault on sage.math:
{{{[mv...@sage ~]$ sage
----------------------------------------------------------------------
| Sage Version 4.1.1, Release Date: 2009-08-14 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: from sage.rings.fast_arith import prime_range
sage: print prime_range(10^16,10^16+100)
/usr/local/sage/local/bin/sage-sage: line 199: 9892 Segmentation
fault sage-ipython "$@" -i
}}}
Minh Van Nguyen
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7017>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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