I am having a problems with doubles on an HP laptop running Windows 2000
version 5.00.2195, service pack 1. Code and data file demonstrating the
problem is below.
This code works on other OSs and compilers. Also included below is the
output from cygcheck -s -v -r. I also have what I believe are related
problems
using math functions, sin() and cos(), with double arguments. Any help
would
be appreciated.
Jeff Trinkle
================== makefile ===================
CFLAGS= -c -g -Ic:/cygwin/include -ansi
LDFLAGS= -Lc:/cygwin/lib -lm
test: test.o
gcc -o test test.o ${LDFLAGS}
test.o: test.c
gcc ${CFLAGS} test.c
================== the code =================
/* This program demonstrates a bug in cygwin under windoze 2000.
Doubles read by fscanf are 10 times their values in the input file,
test.dat */
/* The same program runs just fine under Red Hat Linux 7.0 */
/* cygwin was installed directly from the web on 2/24/00 and no */
/* configuration was attempted. It was run as configured by the */
/* web installation */
#include <stdio.h>
int main ()
{
int i, number, num_read;
float y;
FILE *fp;
/* Read data */
fp = fopen("test.dat", "r");
fscanf(fp, "%d", &number);
printf("\nNumbers");
for (i=0; i<number; i++) {
num_read = fscanf(fp, "%f", &y);
if (num_read != 1) {
printf("\nRead error!\n\n");
exit(1);
}
else
printf("\n%6.2f", y);
}
printf("\n");
fclose(fp);
return 0;
}
================ contents of the data file =========================
5
1.9
21.7
-3.4
-14.1
2.6
============== cygcheck -s -v -r output ==========================
Cygnus Win95/NT Configuration Diagnostics
Current System Time: Fri Apr 27 14:06:42 2001
WinNT Ver 5.0 build 2195 Service Pack 1
Path: /usr/local/bin
/usr/bin
/bin
/cygdrive/c/Program Files/MiKTeX/miktex/bin
/cygdrive/c/WINNT/system32
/cygdrive/c/WINNT
/cygdrive/c/WINNT/System32/Wbem
/cygdrive/c/matlabr12/bin/win32
/usr/bin
SysDir: C:\WINNT\System32
WinDir: C:\WINNT
PWD = `c:/jctrink/Code/Milgram'
USER = `administrator'
MAKE_MODE = `unix'
HOME = `/home/administrator'
NUMBER_OF_PROCESSORS = `1'
PROMPT = `$P$G'
LOGONSERVER = `\\DC12SNLNT'
OS2LIBPATH = `C:\WINNT\system32\os2\dll;'
COMSPEC = `C:\WINNT\system32\cmd.exe'
!C: = `C:\cygwin\bin'
SYSTEMDRIVE = `C:'
HOSTNAME = `JCTRINKLP2'
PROCESSOR_REVISION = `0806'
DISKEEPERICON = `C:\Program Files\Executive Software\DiskeeperWorkstation\'
PATHEXT = `.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH'
COMPUTERNAME = `JCTRINKLP2'
WINDIR = `C:\WINNT'
USERPROFILE = `C:\Documents and Settings\jctrink'
PS1 = `\[\033]0;\w\007
\033[32m\]\u@\h \[\033[33m\w\033[0m\]
$ '
PROGRAMFILES = `C:\Program Files'
!:: = `::\'
MACHTYPE = `i686-pc-cygwin'
PROCESSOR_IDENTIFIER = `x86 Family 6 Model 8 Stepping 6, GenuineIntel'
OS = `Windows_NT'
OLDPWD = `/home/administrator'
PROCESSOR_ARCHITECTURE = `x86'
TEMP = `/cygdrive/c/DOCUME~1/jctrink/LOCALS~1/Temp'
PROCESSOR_LEVEL = `6'
SYSTEMROOT = `C:\WINNT'
HOMEDRIVE = `C:'
ALLUSERSPROFILE = `C:\Documents and Settings\All Users'
SHLVL = `1'
APPDATA = `C:\Documents and Settings\jctrink\Application Data'
COMMONPROGRAMFILES = `C:\Program Files\Common Files'
HOMEPATH = `\'
USERDOMAIN = `SANDIA'
USERNAME = `jctrink'
SHELL = `/bin/sh'
HOSTTYPE = `i686'
OSTYPE = `cygwin'
TERM = `cygwin'
SMS_LOCAL_DIR = `C:\WINNT'
_ = `/usr/bin/cygcheck'
TZ = `MST7MDT6,M4.1.0/2,M10.5.0/2'
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 = 0x00000022
HKEY_CURRENT_USER\Software\Cygnus Solutions\Cygwin\Program Options
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MenuOrd
er\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\mounts v2\/
(default) = `C:/cygwin'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/bin
(default) = `C:/cygwin/bin'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\mounts v2\/usr/lib
(default) = `C:/cygwin/lib'
flags = 0x0000000a
HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin\Program Options
c: hd NTFS 19062Mb 32% CP CS UN PA FC HPNOTEBOOK
d: cd N/A N/A
e: net NTFS 297902Mb 62% CP CS UN PA CIFS.HOMEDIR
g: net NTFS 297902Mb 62% CP CS UN PA CIFS.HOMEDIR
C:\cygwin\bin /usr/bin system binmode
C:\cygwin\lib /usr/lib system binmode
C:\cygwin / system binmode
c: /cygdrive/c user binmode,noumount
e: /cygdrive/e user binmode,noumount
g: /cygdrive/g user binmode,noumount
Found: C:\cygwin\bin\bash.exe
Found: C:\cygwin\bin\cat.exe
Found: C:\cygwin\bin\cpp.exe
Found: C:\cygwin\bin\find.exe
Found: C:\cygwin\bin\gcc.exe
Found: C:\cygwin\bin\gdb.exe
Found: C:\cygwin\bin\ld.exe
Found: C:\cygwin\bin\ls.exe
Found: C:\cygwin\bin\make.exe
Found: C:\cygwin\bin\sh.exe
56k 2000/12/03 C:\cygwin\bin\cygbz21.0.dll - os=4.0 img=1.0 sys=4.0
"cygbz21.0.dll" v0.0 ts=2000/11/20 16:53
82k 2001/01/21 C:\cygwin\bin\cygform5.dll - os=4.0 img=1.0 sys=4.0
"cygform5.dll" v0.0 ts=2001/1/21 13:39
18k 2000/10/23 C:\cygwin\bin\cyggdbm.dll - os=4.0 img=1.0 sys=4.0
"cyggdbm.dll" v0.0 ts=2000/10/22 20:26
17k 2001/01/07 C:\cygwin\bin\cyghistory4.dll - os=4.0 img=1.0 sys=4.0
"cyghistory4.dll" v0.0 ts=2001/1/6 21:34
14k 2000/10/23 C:\cygwin\bin\cygintl.dll - os=4.0 img=1.0 sys=4.0
"cygintl.dll" v0.0 ts=2000/10/23 13:02
81k 2000/12/05 C:\cygwin\bin\cygitcl30.dll - os=4.0 img=1.0 sys=4.0
"cygitcl30.dll" v0.0 ts=2000/11/25 18:43
35k 2000/12/05 C:\cygwin\bin\cygitk30.dll - os=4.0 img=1.0 sys=4.0
"cygitk30.dll" v0.0 ts=2000/11/25 18:43
45k 2000/10/22 C:\cygwin\bin\cygjbig1.dll - os=4.0 img=1.0 sys=4.0
"cygjbig1.dll" v0.0 ts=2000/10/22 17:06
119k 2000/10/23 C:\cygwin\bin\cygjpeg6b.dll - os=4.0 img=1.0 sys=4.0
"cygjpeg6b.dll" v0.0 ts=2000/10/22 18:58
53k 2001/01/21 C:\cygwin\bin\cygmenu5.dll - os=4.0 img=1.0 sys=4.0
"cygmenu5.dll" v0.0 ts=2001/1/21 13:39
414k 2001/01/21 C:\cygwin\bin\cygncurses++5.dll - os=4.0 img=1.0 sys=4.0
"cygncurses++5.dll" v0.0 ts=2001/1/21 13:40
299k 2001/01/21 C:\cygwin\bin\cygncurses5.dll - os=4.0 img=1.0 sys=4.0
"cygncurses5.dll" v0.0 ts=2001/1/21 13:38
34k 2001/01/21 C:\cygwin\bin\cygpanel5.dll - os=4.0 img=1.0 sys=4.0
"cygpanel5.dll" v0.0 ts=2001/1/21 13:38
163k 2001/02/03 C:\cygwin\bin\cygpng2.dll - os=4.0 img=1.0 sys=4.0
"cygpng2.dll" v0.0 ts=2001/2/3 14:21
108k 2001/01/07 C:\cygwin\bin\cygreadline4.dll - os=4.0 img=1.0 sys=4.0
"cygreadline4.dll" v0.0 ts=2001/1/6 21:34
390k 2000/12/05 C:\cygwin\bin\cygtcl80.dll - os=4.0 img=1.0 sys=4.0
"cygtcl80.dll" v0.0 ts=2000/11/25 18:39
5k 2000/12/05 C:\cygwin\bin\cygtclpip80.dll - os=4.0 img=1.0 sys=4.0
10k 2000/12/05 C:\cygwin\bin\cygtclreg80.dll - os=4.0 img=1.0 sys=4.0
"cygtclreg80.dll" v0.0 ts=2000/11/25 18:39
243k 2000/10/23 C:\cygwin\bin\cygtiff3.dll - os=4.0 img=1.0 sys=4.0
"cygtiff3.dll" v0.0 ts=2000/10/22 19:14
623k 2000/12/05 C:\cygwin\bin\cygtk80.dll - os=4.0 img=1.0 sys=4.0
"cygtk80.dll" v0.0 ts=2000/11/25 18:43
41k 2000/11/20 C:\cygwin\bin\cygXpm-noX4.dll - os=4.0 img=1.0 sys=4.0
"cygXpm-noX4.dll" v0.0 ts=2000/11/19 19:41
45k 2000/11/20 C:\cygwin\bin\cygXpm-X4.dll - os=4.0 img=1.0 sys=4.0
"cygXpm-X4.dll" v0.0 ts=2000/11/19 19:45
49k 2001/02/03 C:\cygwin\bin\cygz.dll - os=4.0 img=1.0 sys=4.0
"cygz.dll" v0.0 ts=2001/2/3 13:35
631k 2001/04/25 C:\cygwin\bin\cygwin1.dll - os=4.0 img=1.0 sys=4.0
"cygwin1.dll" v0.0 ts=2001/4/24 18:01
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
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