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Copyright 2009, 2010 Mark Dickinson

The bigfloat module is a Python module providing arbitrary-precision correctly-rounded floating-point arithmetic. It's implemented as a wrapper around the MPFR library (

The bigfloat module is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

The bigfloat module is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with the bigfloat module. If not, see <>.

For installation instructions, please see the separate INSTALL file.

Feedback is welcome! Please contact Mark Dickinson at with suggestions, complaints, bug reports, etc.