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library for arbitrary-precision floating-point arithmetic - Documentation

Mpmath is a pure-Python library for multiprecision floating-point arithmetic. It provides an extensive set of transcendental functions, unlimited exponent sizes, complex numbers, interval arithmetic, numerical integration and differentiation, root-finding, linear algebra, and much more. Almost any calculation can be performed just as well at 10-digit or 1000-digit precision, and in many cases mpmath implements asymptotically fast algorithms that scale well for extremely high precision work.

If available, mpmath will (optionally) use gmpy to speed up high precision operations. If matplotlib is available, mpmath also provides a convenient plotting interface.

Its features include:

* Fair performance -- typically 10-100x faster than Python's decimal library * Transcendental functions -- all functions from Python's math and cmath modules, plus a few more like gamma, factorial, erf * Complex numbers -- with support for transcendental functions * Directed rounding -- floor, ceiling, down, up, half-down, half-up, half-even * Unlimited exponents -- no overflow or underflow

This package contains the documentation for mpmath Python module.

Package version:0.15-1



A Python library for arbitrary-precision floating-point arithmetic.

Main author: Fredrik Johansson <>

Mpmath is free software released under the New BSD License (see the
LICENSE file for details)

0. History and credits

The following people have contributed patches and new features
to mpmat


mpmath (0.15-1) unstable; urgency=low

  [ Sameer Rahmani ]
  * Watch file fixed.

  [ Sandro Tosi ]
  * New upstream release
  * debian/control
    - added texlive-latex-extra to b-d, needed to build documentation

 -- Sandro Tosi <>  Mon, 21 Jun 2010 20:58:49 +0200

mpmath (0.14-1) unstable; urgency=low

  * New upstream releae
  * debian/copyright
    - extend packaging copyrigh


Released June 6, 2010

Basic transcendental functions:

* Reimplemented all elementary functions except log, reducing
  overhead and giving asymptotic speedups at high precision
* Reimplemented gamma() and loggamma(), improving speed and
  fixing accuracy in corner cases
* Added rgamma() (reciprocal gamma function)
* Added a stress test suite for the gamma function
* Provided t


This package was debianized by Sandro Tosi <> on
Mon, 26 Nov 2007 20:55:55 +0100.


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