avec plaisir! I found the bug when trying to use a 32bit only API... other way I could I never found it since it runs in 64bit mode by default.
2010/6/14 Laurent Sansonetti <[email protected]> > Bonjour Louis-Philippe, > > Could you open a ticket on the tracker for that? > > 32-bit mode is really not well tested at this point so it doesn't surprise > me there are a few bugs around. > > Laurent > > On Jun 14, 2010, at 10:28 AM, Louis-Philippe wrote: > > Hi folks, > > there seems to be a bug in the 32bit release of 0.6 with numbers > > arch -arch i386 macirb --simple-prompt > >> 0x44485250 > # reality check > => 1145590352 > >> NSNumber.numberWithInt(0x44485250) # then > see all 32 NSNumber are weird... > => 71848528 > >> NSNumber.numberWithFloat(0x44485250) > => 1145590272.0 > >> NSNumber.numberWithInt(1145590352) > => 71848528 > >> NSNumber.numberWithFloat(1145590352) > => 1145590272.0 > > versus: > > arch -arch x86_64 macirb --simple-prompt > >> 0x44485250 > # reality check > => 1145590352 > >> NSNumber.numberWithInt(0x44485250) > => 1145590352 > >> NSNumber.numberWithFloat(0x44485250) > => 1145590400.0 > >> NSNumber.numberWithInt(1145590352) > => 1145590352 > >> NSNumber.numberWithFloat(1145590352.0) # this is > weird again... > => 1145590400.0 > > to look a bit further, the bug turning point seems to be here for the 32bit > release: > > >> NSNumber.numberWithInt(536870910) > => 536870910 > >> NSNumber.numberWithInt(536870911) > => 536870911 > >> NSNumber.numberWithInt(536870912) > => -536870912 > >> NSNumber.numberWithInt(536870913) > => -536870911 > > and here in the 64 bit: > > >> NSNumber.numberWithInt(2147483646) > => 2147483646 > >> NSNumber.numberWithInt(2147483647) > => 2147483647 > >> NSNumber.numberWithInt(2147483648) > => -2147483648 > >> NSNumber.numberWithInt(2147483649) > => -2147483647 > > > also an other detail: > > 32bit turning point: > >> 536870911 / 16 > => 33554431 > > 64bit turning point: > >> 2147483647 / 64 > => 33554431 > > Is there a workaround for these conversion problem? > _______________________________________________ > MacRuby-devel mailing list > [email protected] > http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel > > > > _______________________________________________ > MacRuby-devel mailing list > [email protected] > http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel > >
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