home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: comp.unix.bsd
- Path: sparky!uunet!ferkel.ucsb.edu!taco!gatech!news.byu.edu!ux1!fcom.cc.utah.edu!cs.weber.edu!terry
- From: terry@cs.weber.edu (A Wizard of Earth C)
- Subject: Re: Correct values for float.h, compiling gcc-2.3.3
- Message-ID: <1993Jan26.211616.25190@fcom.cc.utah.edu>
- Sender: news@fcom.cc.utah.edu
- Organization: Weber State University (Ogden, UT)
- References: <1993Jan25.152028.10017@yrloc.ipsa.reuter.COM> <1993Jan26.083016.13402@data.fls.dk>
- Date: Tue, 26 Jan 93 21:16:16 GMT
- Lines: 36
-
- In article <1993Jan26.083016.13402@data.fls.dk> phk@data.fls.dk (P-HK/Poul-Henning Kamp) writes:
- >bsd@yrloc.ipsa.reuter.COM (Brian de Alwis) writes:
- >
- >>What exactly are the correct values for <float.h>?
- >
- >>This problem has come up while attempting to compile gcc-2.3.3 (are
- >>there any patches out there? I couldn't find any, with my limited
- >>resources here). It seems that the build proceeds with no problems
- >>until enquire.c is compiled with the new xgcc. On line 2307, it
- >>craps out with a `floating point constant out of range'. I haven't
- >>had too much time to look at any further.
- >
- >The problem lies with [efsv]printf and very small numbers, like the smallest
- >normalised number 2.225073858507201383090232717332404064219e-308
- >and the next smaller 2.22507385850720088902458687608585988765e-308 comming
- >out the same.
-
- This, in turn, is the result of the "round-up" being set on the float-to-int
- conversion in the math library sources. There have been patches for both
- posted, but nothing definative has been done about testing how well they
- work with the "correct" float.h values.
-
- Volunteers, anyone?
-
-
- Terry Lambert
- terry@icarus.weber.edu
- terry_lambert@novell.com
- ---
- Any opinions in this posting are my own and not those of my present
- or previous employers.
- --
- -------------------------------------------------------------------------------
- "I have an 8 user poetic license" - me
- Get the 386bsd FAQ from agate.berkeley.edu:/pub/386BSD/386bsd-0.1/unofficial
- -------------------------------------------------------------------------------
-