Article View: comp.bugs.sys5
Article #53bug in cpp in SV/363 r3.2 and older
From: David F. Carlson
Date: Tue, 08 Aug 1989 18:39
Date: Tue, 08 Aug 1989 18:39
26 lines
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1025 bytes
For the following program:
#include <stdio.h>
#include <nan.h>
float g = 1.0;
main()
{
fprintf(stderr,"I'm OK = %d.\n", IsNANorINF(g));
}
Firstly, required define _IEEE is missing from cpp(1).
Secondly, putting a #define _IEEE before the include of <nan.h>
above will cause cpp to barf on the next line of the file nan.h
after the #if _IEEE. However, -D_IEEE on the command line will
cause the file to parse and compile and execute correctly.
This is true under ESIX 3.2 and Microport 3.0e.
--
David F. Carlson, Micropen, Inc.
micropen!dave@ee.rochester.edu
"The faster I go, the behinder I get." --Lewis Carroll
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arc1-ca.pugleaf.net!utzoo!utgpu!watmath!att!tut.cis.ohio-state.edu!mailrus!cornell!rochester!uhura.cc.rochester.edu!ur-valhalla!micropen!daveShow Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!watmath!att!tut.cis.ohio-state.edu!mailrus!cornell!rochester!uhura.cc.rochester.edu!ur-valhalla!micropen!dave From: dave@micropen (David F. Carlson) Newsgroups: comp.bugs.sys5 Subject: bug in cpp in SV/363 r3.2 and older Message-ID: <824@micropen> Date: 8 Aug 89 18:39:37 GMT Organization: Micropen Direct Writing Systems, Pittsford, NY Lines: 26