Re: Q: division vs multiplication

Mike Meissner <meissner@cygnus.com>
Sun, 16 Apr 1995 19:12:11 GMT

          From comp.compilers

Related articles
[2 earlier articles]
Re: Q: division vs multiplication Terje.Mathisen@hda.hydro.com (1995-04-02)
Re: Q: division vs multiplication mikeq@primenet.com (1995-04-02)
Re: Q: division vs multiplication hbaker@netcom.com (1995-04-03)
Re: Q: division vs multiplication davidm@Rational.COM (1995-04-03)
Re: Q: division vs multiplication brandis@inf.ethz.ch (1995-04-04)
Re: Q: division vs multiplication Terje.Mathisen@hda.hydro.com (1995-04-06)
Re: Q: division vs multiplication meissner@cygnus.com (Mike Meissner) (1995-04-16)
Re: Q: division vs multiplication martens@cis.ohio-state.edu (1995-04-16)
Re: Q: division vs multiplication jmccarty@spdmail.spd.dsccc.com (1995-04-18)
Re: Q: division vs multiplication leichter@zodiac.rutgers.edu (1995-04-11)
Re: Q: division vs multiplication kptben@aol.com (1995-04-17)
Re: Q: division vs multiplication pcg@aber.ac.uk (1995-04-17)
Re: Q: division vs multiplication gsc@magna.com.au (1995-04-18)
[4 later articles]
| List of all articles for this month |

Newsgroups: comp.compilers
From: Mike Meissner <meissner@cygnus.com>
Keywords: arithmetic, optimize
Organization: Compilers Central
References: 95-04-059
Date: Sun, 16 Apr 1995 19:12:11 GMT

| [ASIDE]. A year or two ago, there were a couple of papers that
| appeared together somewhere, and which I know I have, but which I
| have been unable to locate. One was entitled something like "How to
| write floating point numbers" and the other "How to read floating
| point numbers".
|
| Can anyone give me the reference?


David Gay's high quality implementation of strtod/dtoa (convert double
to ascii) routines lists the following in the source:


"How to Read Floating Point Numbers Accurately", by William
D. Clinger, Proceedings of the ACM, SIGPLAN 1990, pages 92-101.


and:


"How to Print Floating-Point Numbers Accurately" by Guy L. Steele,
Jr. and Jon L. White, Proceedings of the ACM, SIGPLAN 1990, pages
92-101.


You can get dtoa from netlib (netlib.att.com:/netlib/fp).


--
Michael Meissner, Cygnus Support (East Coast)
Suite 105, 48 Grove Street, Somerville, MA 02144, USA
meissner@cygnus.com, 617-629-3016 (office), 617-629-3010 (fax)
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