Tim:
Could you please re-verify the NAG version?
According to your report, NAG version already has the
problem for factoring 119646463, which is a prime (so in
this case, 'factor' is correct and 'prime?' is wrong,
according to your report for NAG). Also, my Windows
version reports prime? 119646463 => true, so there is no
error here.
Note that in my earlier report, the number is 119643463,
which is not prime and is 10111 * 11833.
William
On Mon, 18 Dec 2006 03:54:04 -0500
root <[EMAIL PROTECTED]> wrote:
I compared 3 versions, the original NAG version, the May
18, 2005
version, and the Dec 14, 2006 version:
NAG MAY18/05 DEC14/06
f:=119646463 f:=119646463
f:=119646463
factor f => 119646463 factor f => 119646463 factor f
=> 119646463
prime? f => false prime? f => false prime? f
=> false
g:=129864979 g:=129864979
g:=129864979
factor g => 11027 11777 factor g => 129864979 factor g
=> 129864979
prime? g => false prime? g => false prime? g
=> false
g-11027*11777 => 0 g-11027*11777 => 0
g-11027*11777 => 0
So it looks like the error was introduced into FR when
compiled
under GCL.
Tim
William Sit,
Professor of Mathematics, City College of New York
Office: R6/202C Tel: 212-650-5179, Fax: 212-862-0004
Home Page: http://scisun.sci.ccny.cuny.edu/~wyscc/
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