From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,d053083f91c271b2 X-Google-Attributes: gid103376,public From: kilgallen@eisner.decus.org (Larry Kilgallen) Subject: Re: floating point problem Date: 1997/03/10 Message-ID: <1997Mar10.074953.1@eisner>#1/1 X-Deja-AN: 224385405 X-Nntp-Posting-Host: eisner.decus.org References: <5f0faa$6ok@mtinsc04.worldnet.att.net> <331ace4d.1427558395@news.mwci.net> <1997Mar5.083938.1@eisner> <1997Mar6.080211.1@eisner> <5fvqkr$7n7@mulga.cs.mu.OZ.AU> X-Nntp-Posting-User: KILGALLEN X-Trace: 857998203/8780 Organization: LJK Software Newsgroups: comp.lang.ada Date: 1997-03-10T00:00:00+00:00 List-Id: In article , dewar@merv.cs.nyu.edu (Robert Dewar) writes: > Fergus asks > > < GNU Fortran, etc.), or is this specific to the GNAT front-end?>> > > It is a fundamental limitation, and nothing to do with the front end > or the backend. All these compilers generate floating-point instructions > for floating-point operations. > > These will only work correctly on machines that either have hardware > floating-point (true incidentally of essentially all currently available > x86 chips), or software systems which provide floating-point emulation. So can anyone give an example for the Intel-challenged regarding how one would easily detect this float-challenged hardware at runtime in order to issue a nastygram ? Larry Kilgallen