Yes, I would like to know which of the following is(are) true: 0. Roger believes the implementation matches the Dictionary;
1. Roger believes the implementation does not match the Dictionary, and the implementation will be changed so they agree; 2. Roger believes the implementation does not match the Dictionary, and the Dictionary will be changed so they agree; 3. Roger believes the implementation does not match the Dictionary, and they will not be changed to agree. My change to printf will depend somewhat on the answer. Henry Rich Tom Arneson wrote: > --- copied from the vocabulary page for ": --- > > Any negative sign is placed just before the leading digit. If w>:0 and d>:0, > the result is right-justified in the space. Otherwise (if w<0 or d<0), the > result is put in exponential form (with one digit before the decimal point) > and is left-justified except for two fixed spaces on the left (including one > or a possible negative sign). > > --- end copy --- > > I believe that Henry is saying, that: > > 0j_3": 3.14 > 3.140e0 > 0j_3": _3.14 > _3.140e0 > > Doesn't have two fixed spaces on the left, so the implementation and the > documentation disagree. > > If the implementation is correct, and I believe it is, then the > documentation should change. > > Tom Arneson > > -----Original Message----- > From: programming-boun...@jsoftware.com > [mailto:programming-boun...@jsoftware.com] On Behalf Of Roger Hui > Sent: Thursday, March 11, 2010 23:41 > To: Programming forum > Subject: Re: [Jprogramming] Bug in printf utility > > You can blame J primitives for problems in your application > if you want, but if the J implementation does the same > regarding errors in C compilers, the number of errors > in the implementation would be legend. > > I don't remember what exactly are your complaints > with ":, but at least one item was an extension that you > argued should be there but which I declined to implement. > > > > ----- Original Message ----- > From: Henry Rich <henryhr...@nc.rr.com> > Date: Sunday, March 7, 2010 17:01 > Subject: Re: [Jprogramming] Bug in printf utility > To: Programming forum <programming@jsoftware.com> > >> The problem with fixing it is that ": in J6.01 and later does >> not >> conform to the Dictionary. I don't want to change printf >> until the >> Dictionary and the implementation agree (or there has been a >> pronouncement on which one is incorrect). >> >> Henry Rich >> >> Tom Arneson wrote: >>> This is my second try to get the 'e' format fixed in printf. >>> >>> >>> >>> Here's the problem: >>> >>> >>> >>> NB. ---------------------------------- >>> >>> JVERSION >>> >>> Installer: j602a_win.exe >>> >>> Engine: j602/2008-03-03/16:45 >>> >>> Library: 6.02.050 >>> >>> >>> >>> Load 'printf' >>> >>> >>> >>> '%0.4e' sprintf 3.14 >>> >>> .1400e0 >>> >>> >>> >>> '%0.4e' sprintf _3.14 >>> >>> 3.1400e0 >>> >>> >>> >>> '%0.4g' sprintf 3.14%1e6 >>> >>> .1400e-6 >>> >>> >>> >>> NB. The first digit of a scientific format is dropped. >>> >>> >>> >>> NB. ------ end J ---------------------------- >>> >>> >>> >>> This utility must not be used by many, and I've switched to >> the 8!: family >>> for most of my formatting, but it is in the main folder, and >> should work >>> properly, or be removed from the J distribution. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
