[sage-devel] Re: OSX10.7 (Lion)'s blas is REALLY BUGGY: Fwd: cvxopt on MacOSX 10.7

2012-03-08 Thread Dima Pasechnik
It turns out that here Apple is not doing anything wrong. (after having a discussion here: https://discussions.apple.com/message/17795537) It's improper use of BLAS by CVXOPT people that triggers errors. The C code in question violates BLAS convention that incx=0 in these kinds of BLAS

[sage-devel] Re: OSX10.7 (Lion)'s blas is REALLY BUGGY: Fwd: cvxopt on MacOSX 10.7

2012-03-08 Thread John H Palmieri
On Thursday, March 8, 2012 4:49:12 PM UTC-8, Dima Pasechnik wrote: It turns out that here Apple is not doing anything wrong. (after having a discussion here: https://discussions.apple.com/message/17795537) It's improper use of BLAS by CVXOPT people that triggers errors. The C code in

Re: [sage-devel] Re: OSX10.7 (Lion)'s blas is REALLY BUGGY: Fwd: cvxopt on MacOSX 10.7

2012-03-08 Thread François Bissey
On Thu, 08 Mar 2012 18:21:40 John H Palmieri wrote: On Thursday, March 8, 2012 4:49:12 PM UTC-8, Dima Pasechnik wrote: It turns out that here Apple is not doing anything wrong. (after having a discussion here: https://discussions.apple.com/message/17795537) It's improper use of BLAS by

[sage-devel] Re: OSX10.7 (Lion)'s blas is REALLY BUGGY: Fwd: cvxopt on MacOSX 10.7

2012-03-08 Thread Dima Pasechnik
Hi John, I emailed you my latest communication to them. Hopefully it's not such a big deal. Dima On Friday, 9 March 2012 10:21:40 UTC+8, John H Palmieri wrote: On Thursday, March 8, 2012 4:49:12 PM UTC-8, Dima Pasechnik wrote: It turns out that here Apple is not doing anything wrong.

Re: [sage-devel] Re: OSX10.7 (Lion)'s blas is REALLY BUGGY: Fwd: cvxopt on MacOSX 10.7

2012-03-08 Thread Dima Pasechnik
On Friday, 9 March 2012 10:26:23 UTC+8, François wrote: On Thu, 08 Mar 2012 18:21:40 John H Palmieri wrote: On Thursday, March 8, 2012 4:49:12 PM UTC-8, Dima Pasechnik wrote: It turns out that here Apple is not doing anything wrong. (after having a discussion here:

Re: [sage-devel] Re: OSX10.7 (Lion)'s blas is REALLY BUGGY: Fwd: cvxopt on MacOSX 10.7

2012-03-08 Thread François Bissey
On Thu, 08 Mar 2012 18:31:14 Dima Pasechnik wrote: yes, I think 1.1.4 is no different in this way. Actually, we should update our cvxopt spkg to 1.1.4. Ok but that still mean we have a bug with the latest OS X. So we should look for a solution of some kind. Are the cvxopt authors interested in

Re: [sage-devel] Re: OSX10.7 (Lion)'s blas is REALLY BUGGY: Fwd: cvxopt on MacOSX 10.7

2012-03-08 Thread Dima Pasechnik
On Friday, 9 March 2012 10:37:46 UTC+8, François wrote: On Thu, 08 Mar 2012 18:31:14 Dima Pasechnik wrote: yes, I think 1.1.4 is no different in this way. Actually, we should update our cvxopt spkg to 1.1.4. Ok but that still mean we have a bug with the latest OS X. So we should look

[sage-devel] Re: OSX10.7 (Lion)'s blas is REALLY BUGGY: Fwd: cvxopt on MacOSX 10.7

2012-03-07 Thread Dima Pasechnik
In gmane.comp.mathematics.sage.devel, you wrote: On 3/6/12 4:30 AM, Dima Pasechnik wrote: OK, guys, bad news, we will have to build Altlas on Lion! Or wait for Apple to fix their blas... I checked the attached C code on sqrt5, both with gcc and with cc (i.e. clang), and it's all confirmed.

[sage-devel] Re: OSX10.7 (Lion)'s blas is REALLY BUGGY: Fwd: cvxopt on MacOSX 10.7

2012-03-06 Thread Jason Grout
On 3/6/12 4:30 AM, Dima Pasechnik wrote: OK, guys, bad news, we will have to build Altlas on Lion! Or wait for Apple to fix their blas... I checked the attached C code on sqrt5, both with gcc and with cc (i.e. clang), and it's all confirmed. Wow. Just wow. So should we not trust matlab or

[sage-devel] Re: OSX10.7 (Lion)'s blas is REALLY BUGGY: Fwd: cvxopt on MacOSX 10.7

2012-03-06 Thread kcrisman
On Mar 6, 9:32 am, Jason Grout jason-s...@creativetrax.com wrote: On 3/6/12 4:30 AM, Dima Pasechnik wrote: OK, guys, bad news, we will have to build Altlas on Lion! Or wait for Apple to fix their blas... I checked the attached C code on sqrt5, both with gcc and with cc (i.e. clang),

[sage-devel] Re: OSX10.7 (Lion)'s blas is REALLY BUGGY: Fwd: cvxopt on MacOSX 10.7

2012-03-06 Thread kcrisman
On Mar 6, 9:32 am, Jason Grout jason-s...@creativetrax.com wrote: On 3/6/12 4:30 AM, Dima Pasechnik wrote: OK, guys, bad news, we will have to build Altlas on Lion! Or wait for Apple to fix their blas... I checked the attached C code on sqrt5, both with gcc and with cc (i.e. clang),