One could argue that since Java has java.util.Random, Commons Lang could include a random package.
Gary On Jun 25, 2016 9:06 AM, "Gilles" <gil...@harfang.homelinux.org> wrote: > On Sat, 25 Jun 2016 15:01:14 +0100, Stian Soiland-Reyes wrote: > >> +0 >> >> The big mix of stuff here makes it feel like Commons Math Lite, >> > > Hmm, no; it's certainly more akin to... Commons Lang, but > more focused (on numerical utilities) and much leaner! > > Actually, the big code chunk is, by far, "FastMath", which > is an almost drop-in replacement for the JDK's "Math" class. > It is thus very high on the scale of "stability" (read: API > is as stable as the JDK). > > The lines of code counts are: > FastMath (and helper): ~8800 > dfp: ~2800 > *all the rest*: ~2350 > > The common denominator is: very low-level utilities (static > methods, no OO!). > > Maintenance cost of this component should be very low. > > Also, its contents is sometimes _used_ by other parts of CM, > but it is also, from a certain POV, much more specialized: the > "unlimited" precision functionality is not needed by applications > in domains where either the accuracy (of the "input") is much > lower than "double" precision or the performance hit incurred is > not worth it. > > In "all the rest", there are many useful little things that are > also pretty much in a "final" state (review is certainly welcome > before release). > > In fact, this component would really deserve the name "Commons > Math"! [While the actual "Commons Math" is a hodgepodge of > codes that should have belonged to different modules.] > > Gilles > > > so I would >> not decide on this before the Math TLP/Incubator route is settled (or >> abandoned). >> >> On 21 Jun 2016 8:30 p.m., "Gilles" <gil...@harfang.homelinux.org> wrote: >> >> Hello. >>> >>> This is one of several votes for establishing new Commons components >>> out of functionality developed inside the "Commons Math" component. >>> >>> This vote is dedicated to the following functionality: >>> Standard mathematical functions (either missing from "java.lang.Math", >>> or faster or more accurate than their counterpart in the JDK) and >>> floating point utilities. >>> >>> The concerned code is the contents of the following classes and packages: >>> org.apache.commons.math4.Field >>> org.apache.commons.math4.FieldElement >>> org.apache.commons.math4.RealFieldElement >>> org.apache.commons.math4.util.FastMath (and helper classes) >>> org.apache.commons.math4.util.Precision >>> org.apache.commons.math4.util.MathUtils >>> org.apache.commons.math4.util.ArithmeticUtils >>> org.apache.commons.math4.util.Combinations >>> org.apache.commons.math4.util.CombinatoricsUtils >>> org.apache.commons.math4.util.ContinuedFraction >>> org.apache.commons.math4.dfp >>> org.apache.commons.math4.special >>> located in the "develop" branch of Commons Math: >>> >>> >>> >>> https://git1-us-west.apache.org/repos/asf?p=commons-math.git;a=tree;f=src/main/java/org/apache/commons/math4/util;h=c54f99f943f758e43ebeb54d8771a6ef6516d283;hb=refs/heads/develop >>> >>> >>> >>> https://git1-us-west.apache.org/repos/asf?p=commons-math.git;a=tree;f=src/main/java/org/apache/commons/math4/special;h=b8fb8b1f6e29a549d0716c866939e074525246a1;hb=refs/heads/develop >>> >>> Notes: >>> * This component will have no dependency. >>> * Code size: ~13000 lines of code (unit tests not included). >>> [Out of which ~6000 lines are literal numbers defined in >>> class "FastMathLiteralArrays".] >>> * API: stable. [But some of it should probably be moved into >>> an "internal" package.] >>> * Estimated minimum Java version: 5 >>> >>> All are welcome to vote, especially potential users of the candidate >>> component and people who'd like to contribute to it, through user >>> support, >>> bug-fixes and enhancements, documentation, release management. >>> >>> [ ] +1, this would be a valid Commons component. >>> [ ] -1, this won't be a good Commons component because ... >>> >>> >>> Thanks, >>> Gilles >>> >>> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org > For additional commands, e-mail: dev-h...@commons.apache.org > >
