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This page is the project homepage of the project called pi-calculator2 from René (KillerFox) Nussbaumer. It uses the same algorithms like pi-calculator, but was cleanly programmed in C++ with object oriented styles.

Project purpose

The main purpose of this project was to calculate Pi with many different algorithms and with a very high value of accuracy.

René optimized the whole project for the object oriented styles in C++.

Project download

All of the content is part of a Savannah project (pi-calculator). You can visit it via the project main page.

CVS access

for Savannah members:

export CVS_RSH=ssh
cvs -z3 -d <membername>@cvs.savannah.nongnu.org:/sources/pi-calculator co pi-calculator2

anonymous CVS access:

export CVS_RSH="ssh"
cvs -z3 -d:pserver:anonymous@cvs.savannah.nongnu.org:/sources/pi-calculator co pi-calculator2

Rsync access

Savannah also provides anonymous rsync access to get the raw CVS file:

rsync cvs.savannah.gnu.org::sources/pi-calculator/

Copyright and license

The original project (pi-calculator) was started by Sebastian Wieseler with some help of Pascal Fricke. Pi-calculator2 was released under the same license as pi-calculator:

Copyright (C) René Nussbaumer 2006
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

For detailed information about copyright and license have a look at each file of source code.


You can join this project via the project main page on Savannah too or send patches/complaints to the mailing list of the ChaosNordhausen meeting (we will forward them then to René).


Have a look at pi-calculator, there you can find a lot of resources related to this topic.