#between:and: is a well known test selector, which is inclusive on both ends.
> On 16 Apr 2018, at 12:59, jtuc...@objektfabrik.de wrote: > > Sven, Serge, > > Especially in the case of Floats, I think between:and: is *not* a good name. > As always, the question is if between:and: is exclusive or inclusive of the > border values... So I think the better name is from:to:. I think this name > indicates it includes the border values. > > Joachim > > > > > Am 16.04.18 um 12:51 schrieb Sven Van Caekenberghe: >> I think >> >> Float randomFrom: -4.1 to: 2.5 >> >> or >> >> Float randomBetween: -4.1 and: 2.5 >> >> would be the most descriptive and compliant to your signature ;-) >> >> An interval does not necessarily contain Floats. >> Going to the class side of Float makes sense because you create a new >> instance. >> >>> On 16 Apr 2018, at 11:51, Serge Stinckwich <serge.stinckw...@gmail.com> >>> wrote: >>> >>> Hi Pharoers, >>> >>> some random musings about Random numbers :-) >>> >>> In the context of the CORMAS project: >>> http://cormas.cirad.fr/indexeng.htm >>> I would like to propose an API for manipulating random numbers >>> to users who are not developers but modelers of complex systems. >>> >>> In CORMAS, people need to generate a lot of random numbers for simulation >>> for exemple. For example, you can do: >>> >>> Cormas randomFloatFrom: -4.1 to: 2.5 >>> >>> At the moment, there is no Pharo API to generate with a one-liner a random >>> float number between two values for example. >>> >>> You can do this for integers: 10 atRandom to generate an integer between 1 >>> to 10. >>> >>> There is atRandom defined on Interval, so can you say : >>> (2.3 to: 4.5) atRandom >>> but it will not generate a random float numbers between 2.3 and 4.5 >>> >>> but numbers like: 2.3, 3.3 or 4.3. >>> because Interval are considered as a Collection. >>> >>> Any comments about that ? >>> How we can enhance the situation ? >>> Any interest to introduce a method to produce random float numbers in an >>> interval in Pharo ? >>> >>> Thank you >>> -- >>> Serge Stinckwich >>> UMI UMMISCO 209 (SU/IRD/UY1) >>> "Programs must be written for people to read, and only incidentally for >>> machines to execute." >>> http://www.doesnotunderstand.org/ >> >> > > -- > ----------------------------------------------------------------------- > Objektfabrik Joachim Tuchel mailto:jtuc...@objektfabrik.de > Fliederweg 1 http://www.objektfabrik.de > D-71640 Ludwigsburg http://joachimtuchel.wordpress.com > Telefon: +49 7141 56 10 86 0 Fax: +49 7141 56 10 86 1 > >
