ALGORITHM-743 - WAPR - A FORTRAN ROUTINE FOR CALCULATING REAL VALUES OF THE W-FUNCTION

Authors
BARRY DA BARRY SJ CULLIGANHENSLEY PJ
Citation
Da. Barry et al., ALGORITHM-743 - WAPR - A FORTRAN ROUTINE FOR CALCULATING REAL VALUES OF THE W-FUNCTION, ACM transactions on mathematical software, 21(2), 1995, pp. 172-181
Citations number
3
Categorie Soggetti
Computer Sciences",Mathematics
Journal title
ACM transactions on mathematical software → ACNP
ISSN journal
00983500
Volume
21
Issue
2
Year of publication
1995
Pages
172 - 181
Database
ISI
SICI code
0098-3500(1995)21:2<172:A-W-AF>2.0.ZU;2-R
Abstract
We implement the W-function approximation scheme described by Barry et at [1995]. A range of tests of the approximations is included so that the code can be assessed on any given machine. Users can calculate W( x) by specifying x itself or by specifying an offset from -exp(-1), th e latter option necessitated by rounding errors that can arise for x c lose to -exp(-1). Results of running the code on a SUN workstation are included.