Le 01/09/2012 10:03, Sébastien Brisard a écrit : > 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 > > Sébastien > > 2012/9/1 Sébastien Brisard <sebastien.bris...@m4x.org>: >> Hello, >> >> >> 2012/8/31 Thomas Neidhart <thomas.neidh...@gmail.com>: >>> On 08/31/2012 11:17 AM, Luc Maisonobe wrote: >>>> Le 31/08/2012 03:22, Sébastien Brisard a écrit : >>>>> 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? >> Sébastien > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org > For additional commands, e-mail: dev-h...@commons.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org
