Mailing-List: contact dev-help@commons.apache.org; run by ezmlm
Precedence: bulk
Reply-To: "Commons Developers List" <dev@commons.apache.org>
Received-SPF: neutral (athena.apache.org: local policy)
Message-ID: <5041C4E4.5000700@free.fr>
Date: Sat, 01 Sep 2012 10:18:44 +0200
From: Luc Maisonobe <Luc.Maisonobe@free.fr>
User-Agent: Mozilla/5.0 (X11; Linux x86_64;
 rv:10.0.6esrpre) Gecko/20120817 Icedove/10.0.6
MIME-Version: 1.0
To: Commons Developers List <dev@commons.apache.org>
Subject: Re: [math] Re: Single root for Exceptions
References: <5039CE39.2030705@free.fr> <503A5FF8.1030408@gmail.com>
 <503CBB41.7050005@free.fr> <503D2C04.40507@gmail.com>
 <20120828234049.GC24856@dusk.harfang.homelinux.org>
 <503DCC91.8010103@free.fr>
 <20120829220454.GG24856@dusk.harfang.homelinux.org>
 <503EC2D1.5010604@gmail.com>
 <20120830095523.GI24856@dusk.harfang.homelinux.org>
 <CAGRH7Hps+xGi+N9MSYLTFgjtyxD5piN2pgAudVzu5y3WaPXU7g@mail.gmail.com>
 <20120830115641.GJ24856@dusk.harfang.homelinux.org>
 <A89F3F5B-4A13-4E3D-ABAE-36E80B4CA229@gmail.com>
 <CAGRH7Hp3T3jrtz1wquXPZ8sKwFkvwQZdN=yHaQdJLmk+dpc7Qg@mail.gmail.com>
 <50408128.80606@free.fr> <504107CD.6090906@gmail.com>
 <CAGRH7Hq0TFfjAi5AekqdjgWo1Q6KusbkxgpW7jaTfZ9VSpTtwQ@mail.gmail.com>
 <CAGRH7Ho6gDw5r_4WcwnTbPn4Mn-Pg8TZy_uMpoaSTQ20jhxcrg@mail.gmail.com>
In-Reply-To: 
 <CAGRH7Ho6gDw5r_4WcwnTbPn4Mn-Pg8TZy_uMpoaSTQ20jhxcrg@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit

Le 01/09/2012 10:03, S�bastien Brisard a �crit :
> Hi,
> 
> in ConjugateGradient, I get the following error
> 
> "Exception NonPositiveDefiniteOperatorException is not compatible with
> throws clause in
> PreconditionedIterativeLinearSolver.solveInPlace(RealLinearOperator,
> RealLinearOperator, RealVector, RealVector)"
> 
> This comes from the fact that general iterative solvers do not require
> positive definite operators (therefore, no
> "throws NonPositiveDefiniteOperatorException" clause in the signature of
> PreconditionedIterativeLinearSolver.solveInPlace), while conjugate
> gradient does.
> 
> Do I need to add the "throws NonPositiveDefiniteOperatorException"
> clause in the signature of
> PreconditionedIterativeLinearSolver.solveInPlace as well?

I think so, as users may use a ConjugateGradient and store it in a
variable declared with the base class only. However, I don't know if
adding an unchecked exception to the signature of an interface is a
compatible change or not.

Luc

> 
> S�bastien
> 
> 2012/9/1 S�bastien Brisard <sebastien.brisard@m4x.org>:
>> Hello,
>>
>>
>> 2012/8/31 Thomas Neidhart <thomas.neidhart@gmail.com>:
>>> On 08/31/2012 11:17 AM, Luc Maisonobe wrote:
>>>> Le 31/08/2012 03:22, S�bastien Brisard a �crit :
>>>>> Hello,
>>>>>
>>>>>>>>> [...]
>>>>>>>>>
>>>>>>>>> Thus, shall I open a JIRA ticket with the tasks of completing the "throws"
>>>>>>>>> clauses of all CM methods?
>>>>>>>>> Does someone absolutely needs this task tobe completed before releasing 3.1?
>>>>>>>>> [I don't think that it's possible without a huge effort from everyone.]
>>>>>>>
>>>>>>> Ticket created:
>>>>>>>  https://issues.apache.org/jira/browse/MATH-854
>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> No hurry on my side, but I'm happy contributing. In order not to tread
>>>>>>>> on anyone's feet, maybe each of us should be assigned one package (for
>>>>>>>> a start).
>>>>>>>
>>>>>>> Good idea.
>>>>>>>
>>>>>>> Gilles: packages "o.a.c.m.optimization"
>>>>>>>                 "o.a.c.m.analysis.function"
>>>>>>>                 "o.a.c.m.analysis.solvers"
>>>>>>>                 "o.a.c.m.analysis.integration"
>>>>>>>                 "o.a.c.m.analysis.interpolation"
>>>>>>
>>>>>> +1 to divide and conquer.  I will start on stat.
>>>>>>
>>>>>> Phil
>>>>>>>
>>>>>>>
>>>>>>> Best regards,
>>>>>>> Gilles
>>>>>>>
>>>>> I can take care of linear and special, of course!
>>>>
>>>> I'll look at ode, differentiation and geometry.
>>>
>>> I will start with filter and genetics.
>>>
>>> Thomas
>>>
>> Just to make sure I don't forget anything... We must apply
>> you-know-who's trick to 4 and only 4 exception types
>>   - MathArithmeticException
>>   - MathIllegalArgumentException
>>   - MathIllegalStateException
>>   - MathUnsupportedOperationException
>>
>> Is that correct?
>> S�bastien
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org
> For additional commands, e-mail: dev-help@commons.apache.org
> 
> 


---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@commons.apache.org
For additional commands, e-mail: dev-help@commons.apache.org