LANCELOT A is a fortran 77 package for large-scale nonlinear optimization written in the 1990s. There is a more up-to-date version available as part of GALAHAD (see https://github.com/ralna/GALAHAD). This, therefore, is simply an archive for anyone interested in the evolution of the software, or perhaps those with a sentimental attachment for those bygone days when fortran was simpler ...

Build instructions in ./INSTALL

Licence details in ./LICENSE (note American spelling even if license it is a verb).

Software default options in ./SPEC.SPC, a primer of keywords in ./SAMPLE.SPC

File source in ./src and its subdirectories

Empty object file directories as subdirectories of ./objects

A few trial problem examples in SIF format in ./sampleproblems , many, many more available from https://bitbucket.org/optrove/sif

The user manual is

A.R. Conn, Nick Gould and Ph.L. Toint, LANCELOT: a Fortran package for large-scale nonlinear optimization, Springer Series in Computational Mathematics, vol. 17, Springer Verlag (Heidelberg, New York), ISBN 3-540-55470-X, 1992.

with a list of errata in ./doc/

Version summary in ./version

A. R. Conn Nick Gould Ph. L. Toint May 30th 1991

Revised for the github release

August 9th 2019