Package: gdb
Version: 6.4-1
Severity: normal
under amd64, gdb print inf as 0, it's correct under i386.
$ cat gdb-bug.cpp
#include <limits>
int main()
{
double a = std::numeric_limits<double>::infinity();
return 0;
}
$ g++ -g -o gdb-bug gdb-bug.cpp
$ gdb ./gdb-bug
GNU gdb 6.4-debian
Copyright 2005 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu"...Using host libthread_db library
"/lib/libthread_db.so.1".
(gdb) b main
Breakpoint 1 at 0x400510: file gdb-bug.cpp, line 5.
(gdb) r
Starting program: /home/wusz/lidaobing/c/gdb-bug
Breakpoint 1, main () at gdb-bug.cpp:5
5 double a = std::numeric_limits<double>::infinity();
(gdb) n
6 return 0;
(gdb) p a
$1 = 0
(gdb)
-- System Information:
Debian Release: 3.1
APT prefers testing
APT policy: (500, 'testing'), (50, 'unstable')
Architecture: amd64 (x86_64)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.12-1-em64t-p4-smp
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)
Versions of packages gdb depends on:
ii libc6 2.3.5-8.1 GNU C Library: Shared libraries an
ii libncurses5 5.4-9 Shared libraries for terminal hand
ii libreadline5 5.1-5 GNU readline and history libraries
gdb recommends no packages.
-- no debconf information
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