TOMS917
Evaluate Wright's Omega Function

TOMS917 is a C++ library which evaluates Wright's Omega function, by Piers Lawrence, Robert Corless, David Jeffrey.

The original, true, correct version of ACM TOMS Algorithm 917 is available through ACM: http://www.acm.org/pubs/calgo or NETLIB: http://www.netlib.org/toms/index.html.

Licensing:

The computer code and data files made available on this web page are distributed under the GNU LGPL license.

Languages:

TOMS917 is available in a C version and a C++ version.

Related Data and Programs:

TOMS443, a C++ library which evaluates Lambert's W function. This is a version of ACM TOMS algorithm 443.

TOMS743, a C++ library which evaluates Lambert's W function. This is a version of ACM TOMS algorithm 743, by Barry, Barry and Culligan-Hensley.

Author:

Piers Lawrence, Robert Corless, David Jeffrey.

Reference:

Piers Lawrence, Robert Corless, David Jeffrey,
Algorithm 917: Complex Double-Precision Evaluation of the Wright Omega Function,
ACM Transactions on Mathematical Software,
Volume 38, Number 3, Article 20, April 2012, 17 pages.

Source Code:

• toms917.cpp, the source code.
• toms917.hpp, the include file.

Examples and Tests:

• toms917_test.cpp, a sample calling program.
• toms917_test.txt, the output file.
• results.txt, a table of results for accuracy checks.
• results_benchmark.txt, the benchmark table of results.

List of Routines:

• WRIGHTOMEGA is the simple routine for evaluating the Wright Omega function.
• WRIGHTOMEGA_EXT computes the Wright Omega function, with extra information.
• TIMESTAMP prints the current YMDHMS date as a time stamp.

You can go up one level to the C+= source codes.