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Re: 1.3.1: gcc-2.95.3-4 bug with scanf() for floating-point numbers on Win2k


This is a known issue with 1.3.1.  You can check the details in the mail 
archives.  This will be fixed in 1.3.2 or you can download a snapshot in the
meantime.

Larry Hall                              lhall@rfk.com
RFK Partners, Inc.                      http://www.rfk.com
118 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX



At 08:38 AM 5/6/2001, Ben Stewart wrote:
>I'm using Cygwin 1.3.1, with all packages "stable" as at April 27th
>2001, including gcc 2.95.3-4.
>
>Using the attached code sample and data, when compiled, results in
>incorrect data. I have tried this code fragment on Linux gcc 2.95
>(debian), and works fine. My lecturers have also tried it under SunOS,
>working fine.
>
>---- <output> ----
>
>[administrator@STARBUGGER] //f/myc$ ./broken-gcc-code <
>broken-gcc-code-data.txt
>A  130.0   80.0   40.0  100.0
>A -120.0   50.0  100.0    NaN
>A  -70.0    NaN    NaN    NaN
>B  -40.0    NaN    NaN    NaN
>B  -30.0    NaN    NaN    NaN
>C  -80.0    NaN    NaN    NaN
>
>[administrator@STARBUGGER] //f/myc$
>---- </output> ----
>
>If you have any suggestions, please email me.
>
>Thanks in advance
>
>              /. .\
>--------ooo----O----ooo--------
>Ben Stewart
>Intranet Administrator
>Wheelers Hill Secondary College
>Mobile 0402 089 240
>Phone +61 3 9561 5811 ext 247
>Fax +61 3 9561 8227
>ben.stewart@whsc.vic.edu.au
>
>
>Cygnus Win95/NT Configuration Diagnostics
>Current System Time: Sun May  6 22:27:47 2001
>
>WinNT Ver 5.0 build 2195 Service Pack 1
>
>Path:   /usr/local/bin
>         /usr/bin
>         /bin
>         /usr/bin
>         /cygdrive/c/PROGRA~1/Borland/Delphi5/Projects/Bpl
>         /cygdrive/c/PROGRA~1/Borland/Delphi5/Bin
>         /cygdrive/c/WINNT/system32
>         /cygdrive/c/WINNT
>         /cygdrive/c/WINNT/System32/Wbem
>         /cygdrive/c/PROGRA~1/ULTRAE~1
>         /cygdrive/c/WINDOWS
>         /cygdrive/c/WINDOWS/COMMAND
>         /cygdrive/c/PROGRA~1/BORLAND/CBUILD~1/BIN
>         /cygdrive/c/PROGRA~1/BORLAND/DELPHI5/BIN
>         /cygdrive/c/PROGRA~1/BORLAND/DELPHI5/PROJECTS/BPL
>         .
>
>SysDir: C:\WINNT\System32
>WinDir: C:\WINNT
>
>PWD = `/ftp/software/OS/cygwin/latest'
>USER = `administrator'
>MAKE_MODE = `unix'
>HOME = `/cygdrive/c/Documents and Settings/Administrator'
>
>NUMBER_OF_PROCESSORS = `1'
>PROMPT = `$P$G'
>LOGONSERVER = `\\STARBUGGER'
>OS2LIBPATH = `C:\WINNT\system32\os2\dll;'
>COMSPEC = `C:\WINNT\system32\cmd.exe'
>!C: = `C:\'
>SYSTEMDRIVE = `C:'
>HOSTNAME = `STARBUGGER'
>PROCESSOR_REVISION = `0605'
>PATHEXT = `.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH'
>COMPUTERNAME = `STARBUGGER'
>WINDIR = `C:\WINNT'
>USERPROFILE = `C:\Documents and Settings\Administrator'
>PS1 = `[administrator@STARBUGGER] \w$ '
>BLASTER = `A220 I7 D1 T2'
>PROGRAMFILES = `C:\Program Files'
>MACHTYPE = `i686-pc-cygwin'
>PROCESSOR_IDENTIFIER = `x86 Family 6 Model 6 Stepping 5, GenuineIntel'
>OS = `Windows_NT'
>OLDPWD = `/ftp/software/OS/cygwin'
>PROCESSOR_ARCHITECTURE = `x86'
>TEMP = `/cygdrive/c/DOCUME~1/ADMINI~2/LOCALS~1/Temp'
>PROCESSOR_LEVEL = `6'
>SNDSCAPE = `C:\WINDOWS'
>SYSTEMROOT = `C:\WINNT'
>HOMEDRIVE = `C:'
>ALLUSERSPROFILE = `C:\Documents and Settings\All Users'
>SHLVL = `1'
>APPDATA = `C:\Documents and Settings\Administrator\Application Data'
>COMMONPROGRAMFILES = `C:\Program Files\Common Files'
>HOMEPATH = `\'
>USERDOMAIN = `STARBUGGER'
>USERNAME = `administrator'
>SHELL = `/bin/sh'
>HOSTTYPE = `i686'
>OSTYPE = `cygwin'
>TERM = `cygwin'
>_ = `/usr/bin/cygcheck.exe'
>TZ = `AUSEST-10AUSEDT-11,M10.5.0/2,M3.5.0/2'
>
>HKEY_CURRENT_USER\Software\Cygnus Solutions
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2
>   (default) = `/cygdrive'
>   cygdrive flags = 0x00000020
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/
>   (default) = `G:/cygwin'
>   flags = 0x00000000
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/bin
>   (default) = `G:/cygwin/bin'
>   flags = 0x00000000
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\mounts v2\/usr/lib
>   (default) = `G:/cygwin/lib'
>   flags = 0x00000000
>HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\Program Options
>HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup
>HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0
>HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts
>HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\00
>   (default) = `G:'
>   unix = `/g'
>   fbinary = 0x00000000
>   fsilent = 0x00000000
>HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\01
>   (default) = `F:'
>   unix = `/f'
>   fbinary = 0x00000000
>   fsilent = 0x00000000
>HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\02
>   (default) = `C:'
>   unix = `/'
>   fbinary = 0x00000000
>   fsilent = 0x00000000
>HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrder\Start Menu\Programs\Cygnus Solutions
>   (default) = (unsupported type)
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Program Options
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\00
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\01
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\02
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\03
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\04
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\05
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\06
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\07
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\08
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\09
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0A
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0B
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0C
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0D
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0E
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\0F
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\10
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\11
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\12
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\13
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\14
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\15
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\16
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\17
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\18
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\19
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1A
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1B
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1C
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\1D
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\GNUPro
>HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\GNUPro\i586-cygwin32
>
>a:  fd           N/A    N/A                    
>c:  hd  NTFS    3610Mb  69% CP CS UN PA FC     HP_PAVILION
>f:  hd  NTFS    4503Mb  74% CP CS UN PA FC     Ben's Crap
>g:  hd  NTFS   39475Mb  88% CP CS UN PA FC     FTPd
>m:  cd           N/A    N/A                    
>s:  cd           N/A    N/A                    
>t:  cd           N/A    N/A                    
>
>G:\cygwin\bin  /usr/bin  user    textmode
>G:\cygwin\lib  /usr/lib  user    textmode
>G:\cygwin  /        user    textmode
>c:    /cygdrive/c  user    textmode,noumount
>f:    /cygdrive/f  user    textmode,noumount
>g:    /cygdrive/g  user    textmode,noumount
>
>Found: G:\cygwin\bin\bash.exe
>Found: G:\cygwin\bin\cat.exe
>Found: G:\cygwin\bin\cpp.exe
>Found: G:\cygwin\bin\find.exe
>Found: G:\cygwin\bin\gcc.exe
>Found: G:\cygwin\bin\gdb.exe
>Found: G:\cygwin\bin\ld.exe
>Found: G:\cygwin\bin\ls.exe
>Found: G:\cygwin\bin\make.exe
>Found: c:\PROGRA~1\Borland\Delphi5\Bin\make.exe
>Warning: G:\cygwin\bin\make.exe hides c:\PROGRA~1\Borland\Delphi5\Bin\make.exe
>Found: G:\cygwin\bin\sh.exe
>
>    56k 2000/12/03 G:\cygwin\bin\cygbz21.0.dll - os=4.0 img=1.0 sys=4.0
>                   "cygbz21.0.dll" v0.0 ts=2000/11/21 10:53
>    82k 2001/01/21 G:\cygwin\bin\cygform5.dll - os=4.0 img=1.0 sys=4.0
>                   "cygform5.dll" v0.0 ts=2001/1/22 7:39
>    18k 2000/10/23 G:\cygwin\bin\cyggdbm.dll - os=4.0 img=1.0 sys=4.0
>                   "cyggdbm.dll" v0.0 ts=2000/10/23 12:26
>    17k 2001/01/07 G:\cygwin\bin\cyghistory4.dll - os=4.0 img=1.0 sys=4.0
>                   "cyghistory4.dll" v0.0 ts=2001/1/7 15:34
>    14k 2000/10/23 G:\cygwin\bin\cygintl.dll - os=4.0 img=1.0 sys=4.0
>                   "cygintl.dll" v0.0 ts=2000/10/24 5:02
>    81k 2000/12/05 G:\cygwin\bin\cygitcl30.dll - os=4.0 img=1.0 sys=4.0
>                   "cygitcl30.dll" v0.0 ts=2000/11/26 12:43
>    35k 2000/12/05 G:\cygwin\bin\cygitk30.dll - os=4.0 img=1.0 sys=4.0
>                   "cygitk30.dll" v0.0 ts=2000/11/26 12:43
>    45k 2000/10/22 G:\cygwin\bin\cygjbig1.dll - os=4.0 img=1.0 sys=4.0
>                   "cygjbig1.dll" v0.0 ts=2000/10/23 9:06
>   119k 2000/10/23 G:\cygwin\bin\cygjpeg6b.dll - os=4.0 img=1.0 sys=4.0
>                   "cygjpeg6b.dll" v0.0 ts=2000/10/23 10:58
>    53k 2001/01/21 G:\cygwin\bin\cygmenu5.dll - os=4.0 img=1.0 sys=4.0
>                   "cygmenu5.dll" v0.0 ts=2001/1/22 7:39
>   414k 2001/01/21 G:\cygwin\bin\cygncurses++5.dll - os=4.0 img=1.0 sys=4.0
>                   "cygncurses++5.dll" v0.0 ts=2001/1/22 7:40
>   299k 2001/01/21 G:\cygwin\bin\cygncurses5.dll - os=4.0 img=1.0 sys=4.0
>                   "cygncurses5.dll" v0.0 ts=2001/1/22 7:38
>    34k 2001/01/21 G:\cygwin\bin\cygpanel5.dll - os=4.0 img=1.0 sys=4.0
>                   "cygpanel5.dll" v0.0 ts=2001/1/22 7:38
>   163k 2001/02/03 G:\cygwin\bin\cygpng2.dll - os=4.0 img=1.0 sys=4.0
>                   "cygpng2.dll" v0.0 ts=2001/2/4 8:21
>   108k 2001/01/07 G:\cygwin\bin\cygreadline4.dll - os=4.0 img=1.0 sys=4.0
>                   "cygreadline4.dll" v0.0 ts=2001/1/7 15:34
>   390k 2000/12/05 G:\cygwin\bin\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtcl80.dll" v0.0 ts=2000/11/26 12:39
>     5k 2000/12/05 G:\cygwin\bin\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
>    10k 2000/12/05 G:\cygwin\bin\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtclreg80.dll" v0.0 ts=2000/11/26 12:39
>   243k 2000/10/23 G:\cygwin\bin\cygtiff3.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtiff3.dll" v0.0 ts=2000/10/23 11:14
>   623k 2000/12/05 G:\cygwin\bin\cygtk80.dll - os=4.0 img=1.0 sys=4.0
>                   "cygtk80.dll" v0.0 ts=2000/11/26 12:43
>    41k 2000/11/20 G:\cygwin\bin\cygXpm-noX4.dll - os=4.0 img=1.0 sys=4.0
>                   "cygXpm-noX4.dll" v0.0 ts=2000/11/20 13:41
>    45k 2000/11/20 G:\cygwin\bin\cygXpm-X4.dll - os=4.0 img=1.0 sys=4.0
>                   "cygXpm-X4.dll" v0.0 ts=2000/11/20 13:45
>    49k 2001/02/03 G:\cygwin\bin\cygz.dll - os=4.0 img=1.0 sys=4.0
>                   "cygz.dll" v0.0 ts=2001/2/4 7:35
>   631k 2001/04/25 G:\cygwin\bin\cygwin1.dll - os=4.0 img=1.0 sys=4.0
>                   "cygwin1.dll" v0.0 ts=2001/4/25 10:01
>     Cygwin DLL version info:
>         dll major: 1003
>         dll minor: 1
>         dll epoch: 19
>         dll bad signal mask: 19005
>         dll old termios: 5
>         dll malloc env: 28
>         api major: 0
>         api minor: 38
>         shared data: 3
>         dll identifier: cygwin1
>         mount registry: 2
>         cygnus registry name: Cygnus Solutions
>         cygwin registry name: Cygwin
>         program options name: Program Options
>         cygwin mount registry name: mounts v2
>         cygdrive flags: cygdrive flags
>         cygdrive prefix: cygdrive prefix
>         cygdrive default prefix: 
>         build date: Tue Apr 24 20:01:02 EDT 2001
>         shared id: cygwin1S3
>
>Use -h to see help about each section
>#include <stdio.h>
>
>int
>main(int argc, char **argv) {
>
>         char owner;
>         float w, s, e, n;
>
>         while (scanf("%c %f %f %f %f\n", &owner, &w, &s, &e, &n) == 5) {
>
>                 printf("%c %6.1f %6.1f %6.1f %6.1f\n", owner, w, s, e, n);
>         }
>
>         return(0);
>}
>A -130.0 80.0 -40.0 100.0
>A -120.0 50.0 -100.0 80.0
>A 70.0 -100.0 120.0 -60.0
>B -40.0 80.0 80.0 100.0
>B 30.0 10.0 80.0 80.0
>C 80.0 70.0 100.0 100.0
>--
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