[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-15 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added CC|

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-15 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added Status|UNCONFIRMED |NEW

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-15 Thread paolo at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 --- Comment #8 from paolo at gcc dot gnu.org paolo at gcc dot gnu.org 2011-11-15 10:49:23 UTC --- Author: paolo Date: Tue Nov 15 10:49:20 2011 New Revision: 181382 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=181382 Log: 2011-11-15 Jason

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-15 Thread paolo at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 --- Comment #7 from paolo at gcc dot gnu.org paolo at gcc dot gnu.org 2011-11-15 10:49:04 UTC --- Author: paolo Date: Tue Nov 15 10:49:00 2011 New Revision: 181381 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=181381 Log: 2011-11-15 Jason

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-15 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added Status|NEW |RESOLVED

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-15 Thread dickphd at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 Jason Dick dickphd at gmail dot com changed: What|Removed |Added Attachment #25823|0 |1 is

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-15 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 --- Comment #11 from Paolo Carlini paolo.carlini at oracle dot com 2011-11-15 11:04:51 UTC --- Thanks, but please, instead of doing this here, for this specific testcase, please collaborate with Ed at integrating this code in the testsuite.

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-15 Thread dickphd at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 --- Comment #12 from Jason Dick dickphd at gmail dot com 2011-11-15 11:08:16 UTC --- (In reply to comment #11) Thanks, but please, instead of doing this here, for this specific testcase, please collaborate with Ed at integrating this code in

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-15 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 --- Comment #13 from Paolo Carlini paolo.carlini at oracle dot com 2011-11-15 11:11:47 UTC --- If we do this as part of the general testsuite infrastructure we can also afford having a little more code, separate out-of-line functions, etc. But

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-15 Thread 3dw4rd at verizon dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 --- Comment #14 from Ed Smith-Rowland 3dw4rd at verizon dot net 2011-11-15 12:48:06 UTC --- I'm glad to see renewed interest in this. I wasn't sure if anyone else had used these routines ;-) Anyway, one thing I would like us to look at is

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-14 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added CC||3dw4rd at

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-14 Thread 3dw4rd at verizon dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 --- Comment #2 from Ed Smith-Rowland 3dw4rd at verizon dot net 2011-11-15 05:17:45 UTC --- Jason, You are right! Thank you. We'll want some test cases. I was testing against GSL but they didn't have orthogonal polynomials at the time and this

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-14 Thread dickphd at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 --- Comment #3 from Jason Dick dickphd at gmail dot com 2011-11-15 05:48:37 UTC --- Created attachment 25823 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=25823 Test case for hermite(), requires GSL This test verifies the Hermite

[Bug libstdc++/51133] Incorrect implementation of std::tr1::hermite()

2011-11-14 Thread dickphd at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51133 --- Comment #4 from Jason Dick dickphd at gmail dot com 2011-11-15 05:59:27 UTC --- I have attached a tiny program which I used to test these polynomials. I believe the test is entirely robust provided the first two Hermite polynomials are