> On 05 Feb 2015, at 10:36, Ben Coman <b...@openinworld.com> wrote: > > I personally would prefer to be able to use exponents. No sure what the big > picture is. > cheers -ben
Of course exponents are still supported ;-) The discussion is about the + sign for positive exponents. I am not sure, but I think that traditional Smalltalk did not support this, but it was added to support common practice in other languages. Now it is apparently gone again, probably not on purpose. > On Thu, Feb 5, 2015 at 12:27 AM, Mariano Martinez Peck > <marianop...@gmail.com> wrote: > Hi guys, > > In Pharo 2.0, the expression "Number readFrom: '2.5850009999999998e+04' " > would answer 25850.01 , but in Pharo 3.0 it answers: 2.5850009999999997 > which is a kind of WTF to me. > > Checking the differences it seems in Pharo 2.0 ExtendedNumberParser (used > from Number >> readFrom: ) implemented: > > allowPlusSign > ^true > > However, in Pharo 3.0 it seems subclasses of NumberParser have been merged > directly in NumberParser class (and so Number >> readFrom: uses this class > now). > > But.. (and this is the difference), NumberParser implements: > > allowPlusSign > ^false > > So I wonder...was this on purpose or a side effect? Why would we want to > reject using + as part of the exponential notion?? > > So in my case now I must do an override to: > > NumberParser >> allowPlusSignInExponent > ^ true > > Thoughts? > > > -- > Mariano > http://marianopeck.wordpress.com >
