Re: [Help-gsl] test release for gsl-2.0

2015-10-26 Thread Arun Isaac

Both ./configure && make && make check

and

cd doc; make ps

work for me.

Tested on Parabola GNU/Linux with gcc 5.2.0


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Re: [Help-gsl] GSL performance compared to C++ alternatives such as Armadillo

2015-10-26 Thread Rhys Ulerich
> Armadillo would be faster.
> GSL would be more reliable and wider used.

Eigen may be another good alternative for C++.

- Rhys


Re: [Help-gsl] Linear least squares, webpages and the next release

2015-10-26 Thread Jean-François Caron
For everyone who said they’d like to contribute, but feel like their coding 
isn’t up to GSL standards: don’t worry!  This isn’t the Linux kernel, you won’t 
get called stupid for doing your best.  Patrick and the others are generally 
helpful and will help you to get your code included.  I think it would be a 
shame if potential improvements to GSL go undone because everyone has impostor 
syndrome.

I work almost exclusively in C++ and Python (and I’m a physicist!) and I was 
able to contribute a new 1D interpolation routine that will be in 2.0.  I 
looked at the existing code as a model and wrote the new routine accordingly.  
After submitting a patch I had to make some modifications to clean it up, but 
it was fine!

Jean-François

On Oct 26, 2015, at 08:13 , Patrick Alken  wrote:

> On 10/24/2015 09:35 AM, John D Lamb wrote:
>> 
>>> 
>>> 3. Are you willing to develop and contribute the features you want?
>> 
>> Yes. I’d be happy to look at redesign of the GSL containers. What’s needed?
>> 
> 
> There was a discussion on gsl-discuss some time back, see:
> 
> https://www.sourceware.org/ml/gsl-discuss/2014-q2/
> 
> Gerard may have already done some work on this, or have some ideas on a good 
> starting point, so I suggest getting in touch with him too (cc'd).
> 
> Thanks!
> Patrick
> 




Re: [Help-gsl] GSL performance compared to C++ alternatives such as Armadillo

2015-10-26 Thread Vladimir Sakharuk
Armadillo would be faster.
GSL would be more reliable and wider used.

-Original Message-
From: help-gsl-bounces+vsakharuk=hbk@gnu.org 
[mailto:help-gsl-bounces+vsakharuk=hbk@gnu.org] On Behalf Of Christopher 
Choi
Sent: Monday, October 26, 2015 11:44 AM
To: help-gsl@gnu.org
Subject: [Help-gsl] GSL performance compared to C++ alternatives such as 
Armadillo

Hello all,

First of this is not a flame post, I would like to use GSL as linear algebra 
library for Neural Network training, so this would involve calculating hessian 
matrices, normal matrix and vector operations etc... I was curious as to how 
does GSL compares to C++ alternatives such as Armadillo, what are the pros and 
cons of using GSL as suppose to the alternatives?

Additionally if someone could put me towards some benchmarks that would be 
great.

Thanks
Chris


[Help-gsl] GSL performance compared to C++ alternatives such as Armadillo

2015-10-26 Thread Christopher Choi
Hello all,

First of this is not a flame post, I would like to use GSL as linear
algebra library for Neural Network training, so this would involve
calculating hessian matrices, normal matrix and vector operations etc... I
was curious as to how does GSL compares to C++ alternatives such as
Armadillo, what are the pros and cons of using GSL as suppose to the
alternatives?

Additionally if someone could put me towards some benchmarks that would be
great.

Thanks
Chris


Re: [Help-gsl] test release for gsl-2.0

2015-10-26 Thread Patrick Alken

On 10/26/2015 09:12 AM, Jorge Fernandez-de-Cossio-Diaz wrote:
Where can I see the changes introduced in the new version? Are there 
new functions supported?




http://git.savannah.gnu.org/cgit/gsl.git/tree/NEWS


Re: [Help-gsl] Linear least squares, webpages and the next release

2015-10-26 Thread Patrick Alken

On 10/24/2015 09:35 AM, John D Lamb wrote:




3. Are you willing to develop and contribute the features you want?


Yes. I’d be happy to look at redesign of the GSL containers. What’s 
needed?




There was a discussion on gsl-discuss some time back, see:

https://www.sourceware.org/ml/gsl-discuss/2014-q2/

Gerard may have already done some work on this, or have some ideas on a 
good starting point, so I suggest getting in touch with him too (cc'd).


Thanks!
Patrick



Re: [Help-gsl] test release for gsl-2.0

2015-10-26 Thread Jorge Fernandez-de-Cossio-Diaz
Where can I see the changes introduced in the new version? Are there new
functions supported?

On Sun, Oct 25, 2015 at 7:28 PM, Rhys Ulerich 
wrote:

> > Please try testing the build and also the documentation:
> >
> > 1) ./configure ; make ; make check
>
> Passes CFLAGS=-O3 ./configure && make -j && make check for gcc (Ubuntu
> 4.9.2-10ubuntu13) 4.9.2.
>
> > 2) cd doc ; make ps
>
> Works.  Also, Patrick, thank you for the kind credit in the manual.  I
> didn't realize you had added me until my name popped up on the front.
>
> - Rhys
>
>


Re: [Help-gsl] GSL 2D interpolation

2015-10-26 Thread Patrick Alken

On 10/26/2015 06:40 AM, Lai Zhong Yuan wrote:

Dear all,
Recently looking through the GSL user manual i found out that David Zaslavsky's interp2d 
routine has been included in GSL; however, it seems that it will only be there in 
"gsl-2.0", according to http://git.savannah.gnu.org/cgit/gsl.git/tree/NEWS (i 
have v1.15).
Does anyone know how i can obtain a working update of gsl that includes "gsl_interp2d.h" 
and "gsl_spline2d.h"? I tried including these files and other dependencies as best as i 
could by hand but this yields, as probably expected, errors when linking in GCC (no problems in 
compiling).


Regards,Lai

For now you can work from the git:

git clone git://git.savannah.gnu.org/gsl.git

gsl-2.0 will hopefully be released within the week.



Re: [Help-gsl] Linear least squares, webpages and the next release

2015-10-26 Thread Jerome BENOIT
Hello List:

On 26/10/15 06:27, Foivos Diakogiannis wrote:
> b. I know it is too much to ask, but I'd love to see a c++ implementation
> of GSL (not just a wrapper), 
Why C++ ?

An effort for an implementation in D would not be better ?

Jerome



Re: [Help-gsl] Linear least squares, webpages and the next release

2015-10-26 Thread Rhys Ulerich
> > In comparison, see
http://www.holoborodko.com/pavel/numerical-methods/numerical-integration/
from Pavel Holoborodko for fast GL quadratures.

> I'm not an expert on numerical integration so hopefully someone else can
come forward and improve on these algorithms :-)

Pavel let us add some of his routines awhile back. Look for "glfixed" in
the integration documentation.

-  Rhys