I am definitely in favor of an independent component such as "formula-parser".
paul On 28 juil. 2014, at 02:34, Mansour Al Akeel <mansour.alak...@gmail.com> wrote: > William, > I agree with you about the maturity and active community associated > with commons math. > I noticed other commons project are not as active. > > Moving to a top level project, in my own opinion is valid, since the > math topic covers a big area, unlike other projects in commons where > they solve an focus on specific problem. > > So beside the visibility (which is enough for me), what other > advantages do we get ?? > > By the way, even staying as we are under commons, does not really > prevent us from building these subprojects. We may get more > contributors if we go higher level, but not too early to consider > these subprojects under commons. > > > > > > On Sun, Jul 27, 2014 at 7:42 PM, William Speirs <wspe...@apache.org> wrote: >> I think the better idea would be to promote commons-math to it's own >> top-level project. It's a very impressive math library, and more active >> than some of the other commons projects. >> >> If made a top-level project then we could make subprojects like a parser, >> GUI, etc. >> >> Thoughts? >> >> Bill- >> On Jul 27, 2014 7:34 PM, "Mansour Al Akeel" <mansour.alak...@gmail.com> >> wrote: >> >>> William, >>> Thank you a lot. >>> >>> Is there building instructions ? >>> >>> Are there any interest in creating/adding these efforts as >>> commons-math subproject. >>> I understand and agree with the point that a parser is outside of the >>> scope of commons-math, but may be we can create a subproject >>> "commons-math-sandbox" or "commons-math-ext" or >>> "commons-math-optional", that will host efforts and project related >>> but does not fit the scope. This will separate the concerns and allow >>> those who need this functionality to find it easily, at the same time >>> it will give the project a home, and make it available for wider >>> users. >>> >>> Is this a valid suggestion ? >>> >>> >>> >>> >>> On Mon, Jul 21, 2014 at 8:39 AM, William Speirs <wspe...@apache.org> >>> wrote: >>>> Errr... nothing at the moment, but I'll make it Apache2 :-) >>>> >>>> Bill- >>>> >>>> >>>> On Mon, Jul 21, 2014 at 8:29 AM, Paul Libbrecht <p...@hoplahup.net> >>> wrote: >>>> >>>>> Coool. License? >>>>> >>>>> paul >>>>> >>>>> >>>>> On 21 juil. 2014, at 14:26, William Speirs <wspe...@apache.org> wrote: >>>>> >>>>>> It's certainly incomplete, but I started working on a CAS (Computer >>>>> Algebra >>>>>> System: http://en.wikipedia.org/wiki/Computer_algebra_system) that >>> was >>>>>> "backed" by commons-math: https://github.com/wspeirs/math >>>>>> >>>>>> The JJT (parser file for JavaCC) file can be found here, and is fairly >>>>>> complete if I remember correctly: >>>>>> >>>>> >>> https://raw.githubusercontent.com/wspeirs/Math/master/src/main/java/com/educatedsolutions/parser/Math.jjt >>>>>> >>>>>> I'd be happy to help you with it further and/or accept pull requests >>> to >>>>>> improve it :-) >>>>>> >>>>>> Bill- >>>>>> >>>>>> >>>>>> On Mon, Jul 21, 2014 at 1:59 AM, Ted Dunning <ted.dunn...@gmail.com> >>>>> wrote: >>>>>> >>>>>>> On Sun, Jul 20, 2014 at 9:18 PM, Mansour Al Akeel < >>>>>>> mansour.alak...@gmail.com >>>>>>>> wrote: >>>>>>> >>>>>>>> As Luc said, it will big project to write a parser that takes any >>>>>>>> equation as a string, and generate the matrix (2-dimensional array) >>> to >>>>>>>> feed it into Commons Math. >>>>>>>> >>>>>>> >>>>>>> >>>>>>> It actually isn't a big project. >>>>>>> >>>>>>> See http://www.antlr.org/ >>>>>>> >>>>>>> The simplest example they give there is this one: >>>>>>> >>>>>>> *grammar Expr;* >>>>>>> *prog: (expr NEWLINE)* ; * >>>>>>> *expr: expr ('*'|'/') expr * >>>>>>> * | expr ('+'|'-') expr * >>>>>>> * | INT | '(' expr ')' ; * >>>>>>> *NEWLINE : [\r\n]+ ; INT : [0-9]+ ;* >>>>>>> >>>>>>> This will compile into a java program that parses expressions very >>> much >>>>>>> like what you want. >>>>>>> >>>>> >>>>> >>>>> --------------------------------------------------------------------- >>>>> To unsubscribe, e-mail: user-unsubscr...@commons.apache.org >>>>> For additional commands, e-mail: user-h...@commons.apache.org >>>>> >>>>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: user-unsubscr...@commons.apache.org >>> For additional commands, e-mail: user-h...@commons.apache.org >>> >>> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@commons.apache.org > For additional commands, e-mail: user-h...@commons.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@commons.apache.org For additional commands, e-mail: user-h...@commons.apache.org
