# Contributors to GSL¶

(See the `AUTHORS`

file in the distribution for up-to-date information.)

Mark Galassi

Conceived GSL (with James Theiler) and wrote the design document. Wrote the simulated annealing package and the relevant chapter in the manual.

James Theiler

Conceived GSL (with Mark Galassi). Wrote the random number generators and the relevant chapter in this manual.

Jim Davies

Wrote the statistical routines and the relevant chapter in this manual.

Brian Gough

FFTs, numerical integration, random number generators and distributions, root finding, minimization and fitting, polynomial solvers, complex numbers, physical constants, permutations, vector and matrix functions, histograms, statistics, ieee-utils, revised CBLAS Level 2 & 3, matrix decompositions, eigensystems, cumulative distribution functions, testing, documentation and releases.

Reid Priedhorsky

Wrote and documented the initial version of the root finding routines while at Los Alamos National Laboratory, Mathematical Modeling and Analysis Group.

Gerard Jungman

Special Functions, Series acceleration, ODEs, BLAS, Linear Algebra, Eigensystems, Hankel Transforms.

Patrick Alken

Implementation of nonsymmetric and generalized eigensystems, B-splines, linear and nonlinear least squares, matrix decompositions, associated Legendre functions, running statistics, sparse matrices, and sparse linear algebra.

Mike Booth

Wrote the Monte Carlo library.

Jorma Olavi Tähtinen

Wrote the initial complex arithmetic functions.

Thomas Walter

Wrote the initial heapsort routines and Cholesky decomposition.

Fabrice Rossi

Multidimensional minimization.

Carlo Perassi

Implementation of the random number generators in Knuth’sSeminumerical Algorithms, 3rd Ed.

Szymon Jaroszewicz

Wrote the routines for generating combinations.

Nicolas Darnis

Wrote the cyclic functions and the initial functions for canonical permutations.

Jason H. Stover

Wrote the major cumulative distribution functions.

Ivo Alxneit

Wrote the routines for wavelet transforms.

Tuomo Keskitalo

Improved the implementation of the ODE solvers and wrote the ode-initval2 routines.

Lowell Johnson

Implementation of the Mathieu functions.

Rhys Ulerich

Wrote the multiset routines.

Pavel Holoborodko

Wrote the fixed order Gauss-Legendre quadrature routines.

Pedro Gonnet

Wrote the CQUAD integration routines.

Thanks to Nigel Lowry for help in proofreading the manual.

The non-symmetric eigensystems routines contain code based on the LAPACK linear algebra library. LAPACK is distributed under the following license:

```
Copyright (c) 1992-2006 The University of Tennessee. All rights reserved.
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modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer listed
in this license in the documentation and/or other materials
provided with the distribution.
* Neither the name of the copyright holders nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
```