Module 830 in TOMS

General Information

Standard and modified Givens transformations. Improves upon Level 1 BLAS routine srotg. (See R. Hanson and T. Hopkins, ACM TOMS 30 (2004) pp. 86-94.).

Classification

D1b10

Elementary rotation (Givens transformation) of a matrix

Type

subroutine in TOMS package

Language

Fortran 90

Availability

Some uses prohibited, Portable

Precision

Single & Double Precision

Download from NETLIB; Public access repository

Location

The University of Tennessee at Knoxville and Bell Laboratories

Contact

Jack Dongarra, ORNL (dongarra@cs.utk.edu) and Eric Grosse, Bell Labs (ehg@research.att.com)