Path: csiph.com!weretis.net!feeder6.news.weretis.net!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!news.iecc.com!.POSTED.news.iecc.com!nerds-end From: Hans-Peter Diettrich Newsgroups: comp.compilers Subject: Unum numbers Date: Thu, 12 Apr 2018 10:29:21 +0200 Organization: Compilers Central Lines: 9 Sender: news@iecc.com Approved: comp.compilers@iecc.com Message-ID: <18-04-043@comp.compilers> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: gal.iecc.com; posting-host="news.iecc.com:2001:470:1f07:1126:0:676f:7373:6970"; logging-data="37576"; mail-complaints-to="abuse@iecc.com" Keywords: arithmetic, question Posted-Date: 12 Apr 2018 11:14:55 EDT X-submission-address: compilers@iecc.com X-moderator-address: compilers-request@iecc.com X-FAQ-and-archives: http://compilers.iecc.com Xref: csiph.com comp.compilers:2061 A friend just pointed me to the Universal Number formats, which may have been subject to the IEEE 754 thread. Before I tweet my own thoughts here, I'd like to hear more about the practice of Unum numbers. From theory the Unum formats try to increase the number precision (around 1.0) and range (towards 0 and Inf). What are these attempts worth in real life? DoDi