Your message dated Tue, 12 Oct 2010 23:46:46 +0200
with message-id <[email protected]>
and subject line Re: Bug#599798: x11-apps: [xcalc] miscalculates cosine
has caused the Debian Bug report #599798,
regarding x11-apps: [xcalc] miscalculates cosine
to be marked as done.
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599798: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=599798
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--- Begin Message ---
Package: x11-apps
Version: 7.3+4
Severity: normal
The calculation of the cosine of 90° and pi/2 radians yields 1.615544e-15
rather than 0.
-- System Information:
Debian Release: 5.0.6
APT prefers stable
APT policy: (500, 'stable')
Architecture: i386 (i686)
Kernel: Linux 2.6.32-bpo.5-686 (SMP w/1 CPU core)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages x11-apps depends on:
ii cpp 4:4.3.2-2 The GNU C preprocessor (cpp)
ii libc6 2.7-18lenny4 GNU C Library: Shared libraries
ii libice6 2:1.0.4-1 X11 Inter-Client Exchange library
ii libpng12-0 1.2.27-2+lenny4 PNG library - runtime
ii libsm6 2:1.0.3-2 X11 Session Management library
ii libx11-6 2:1.1.5-2 X11 client-side library
ii libxaw7 2:1.0.4-2 X11 Athena Widget library
ii libxcursor1 1:1.1.9-1 X cursor management library
ii libxext6 2:1.0.4-2 X11 miscellaneous extension librar
ii libxft2 2.1.12-3 FreeType-based font drawing librar
ii libxkbfile1 1:1.0.5-1 X11 keyboard file manipulation lib
ii libxmu6 2:1.0.4-1 X11 miscellaneous utility library
ii libxmuu1 2:1.0.4-1 X11 miscellaneous micro-utility li
ii libxrender1 1:0.9.4-2 X Rendering Extension client libra
ii libxt6 1:1.0.5-3 X11 toolkit intrinsics library
ii x11-common 1:7.3+20 X Window System (X.Org) infrastruc
x11-apps recommends no packages.
Versions of packages x11-apps suggests:
pn mesa-utils <none> (no description available)
-- no debconf information
--- End Message ---
--- Begin Message ---
Marco Starace <[email protected]> (11/10/2010):
> The calculation of the cosine of 90° and pi/2 radians yields
> 1.615544e-15 rather than 0.
Need symbolic calculus? Don't use a numerical calculator then. You may
want to read that if you need some bed-side reading:
http://en.wikipedia.org/wiki/IEEE_754-2008
Closing as not a bug (in my very humble opinion, but feel free to try
and convince me otherwise).
Mraw,
KiBi.
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