home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: comp.programming
- Path: sparky!uunet!haven.umd.edu!darwin.sura.net!zaphod.mps.ohio-state.edu!sdd.hp.com!ncr-sd!ncrcae!hubcap!mjs
- From: mjs@hubcap.clemson.edu (M. J. Saltzman)
- Subject: Re: Finding a zero byte in a 32-bit word
- Message-ID: <1992Nov6.203905.24074@hubcap.clemson.edu>
- Organization: Clemson University, Clemson SC
- References: <1992Nov3.000345.14551@genghis.borland.com> <schnitzi.720908839@eola.cs.ucf.edu> <1deeaqINNhd8@rodan.UU.NET>
- Date: Fri, 6 Nov 1992 20:39:05 GMT
- Lines: 30
-
- In article <1deeaqINNhd8@rodan.UU.NET> avg@rodan.UU.NET (Vadim Antonov) writes:
- >In article <schnitzi.720908839@eola.cs.ucf.edu> schnitzi@cs.ucf.edu (Mark Schnitzius) writes:
- >>
- >>A follow-up question: There are algorithms which are _proprietary_??!
- >
- >You betcha. There is a number of patented algorithms including
- >using XOR for drawing cursor on a bitmapped screen, using backing
- >store for saving obscured parts of windows, LZW data compression
- >(the thing which is used in compress), RSA public-key encryption,
- >elliptical method for solving linear programming problems, the
- ^^^^^^^^^^^^^^^^^
- You meant to say "ellipsoid method", but in fact it's an implementation
- of Karmarkar's interior point algorithm that AT&T claims a patent for.
-
- >"natural" order of recalculation in spreadsheets and others.
- >No wonder if someday someone will patent left shift.
- >
- >Contact League for Programming Freedom for details.
-
- See also recent issues of Communications of the ACM, and Issues in
- Science and Technology (and probably others as well).
-
- >
- >--vadim
-
-
- --
- Matthew Saltzman
- Clemson University Math Sciences
- mjs@clemson.edu
-