GAP (Utils) - Contents

Goto Chapter: Top 1 2 3 4 5 6 Bib Ind
[Top of Book] [Contents] [Next Chapter]

[MathJax off]

# Utils

## Utility functions in GAP

0.39

04/03/2016

Sebastian Gutsche
Email: gutsche@mathematik.uni-kl.de
Homepage: http://wwwb.math.rwth-aachen.de/~gutsche/
Address:
Department of Mathematics
University of Kaiserslautern
67653 Kaiserslautern
Germany

Stefan Kohl
Email: stefan@mcs.st-and.ac.uk
Homepage: http://www.gap-system.org/DevelopersPages/StefanKohl/

Christopher D. Wensley
Email: c.d.wensley@bangor.ac.uk
Homepage: http://pages.bangor.ac.uk/~mas023/
Address:
Dr. C.D. Wensley
School of Computer Science
Bangor University
Dean Street
Bangor
Gwynedd LL57 1UT
UK

### Abstract

The Utils package provides a space for utility functions in a variety of GAP packages to be collected together into a single package. In this way it is hoped that they will become more visible to package authors.

Any package author who transfers a function to Utils will become an author of Utils.

Bug reports, suggestions and comments are, of course, welcome. Please contact the last author at c.d.wensley@bangor.ac.uk or submit an issue at the GitHub repository http://github.com/gap-packages/utils/issues/.

### Copyright

© 2015-2016, The GAP Group. Utils 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.

### Acknowledgements

This documentation was prepared with the GAPDoc package of Frank Lübeck and Max Neunhöffer.

### Contents

1 Introduction
1.1 Information for package authors
1.2 The current transfer procedure
2 Lists, Sets and Strings
2.1 Functions for lists
2.1-1 DifferencesList
2.1-2 SearchCycle
2.1-3 RandomCombination
2.1-4 PrintListOneItemPerLine
2.2 Distinct and Common Representatives
2.2-1 DistinctRepresentatives
2.3 Functions for strings
2.3-1 BlankFreeString
2.3-2 StringDotSuffix
3 Number-theoretic functions
3.1 Functions for integers
3.1-1 AllSmoothIntegers
3.1-2 AllProducts
3.1-3 RestrictedPartitionsWithoutRepetitions
3.1-4 ExponentOfPrime
3.1-5 NextProbablyPrimeInt
3.1-6 PrimeNumbersIterator
4 Groups and homomorphisms
4.1 Functions for groups
4.1-1 Comm
4.1-2 IsCommuting
4.1-3 ListOfPowers
4.1-4 GeneratorsAndInverses
4.1-5 UpperFittingSeries
4.2 Functions for group homomorphisms
4.2-1 EpimorphismByGenerators
5 Records
5.1 Functions for records
5.1-1 SetIfMissing
5.1-2 AssignGlobals
6 Various other functions
6.1 Operations on folders
6.1-1 FindMatchingFiles
6.2 File operations
6.2-1 Log2HTML
6.3 LaTeX strings
6.3-1 IntOrOnfinityToLaTeX
6.3-2 LaTeXStringFactorsInt
References
Index
[Top of Book] [Contents] [Next Chapter]
Goto Chapter: Top 1 2 3 4 5 6 Bib Ind

generated by GAPDoc2HTML