iirc J crc is pkzip crc32. you can verify by zipping some files and compare there crc with that computed by J32.
Also (iirc) unsigned crc32 in J64 did not sign extended to 64-bit so that it is different from J32. A bug or a feature? On Apr 16, 2015 5:28 AM, "'Pascal Jasmin' via Programming" < [email protected]> wrote: > is there a named algorithm equivalence of 128!:3 to one in this list ? > > > http://reveng.sourceforge.net/crc-catalogue/all.htm > > I understand its crc32, but there are several. > > Also I note that to get the documentation's result I need to take the 2s > complement > > ]&.(2&#. inv) 128!:3 'assiduously avoid any and all asinine > alliterations' > 1439575093 > > (j8.02 64 and j6.01 32) > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
