From: "Lars O. Hansen" Newsgroups: comp.os.msdos.djgpp Subject: Re: C preprocessor not capable of floating point division ? Date: Sat, 21 Dec 2002 05:52:12 +0100 Organization: 1&1 Internet AG Lines: 15 Message-ID: References: NNTP-Posting-Host: p5083854e.dip0.t-ipconnect.de X-Trace: news.online.de 1040446327 18263 80.131.133.78 (21 Dec 2002 04:52:07 GMT) X-Complaints-To: abuse AT online DOT de NNTP-Posting-Date: 21 Dec 2002 04:52:07 GMT X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com > how do you propose to store 0.5 in an integer? > > > How can I achieve floating point division or similar having the same > > result by the C preprocessor for #define d values ? > > you'll have to clarify what you are trying to do. it should have been float a=2/sth. But DJ Delorie is right, the preprocessor or compiler which does expression evaluation beforehand "obeyes" the rules of x86 "integer division", so 4/8 is 0.