Module DROTG in BLAS1

General Information

Construct Givens plane rotation of a matrix. (Level 1 BLAS).

Usage

CALL DROTG(DA, DB, DC, DS)

Classification

D1b10

Elementary rotation (Givens transformation) of a matrix

Type

subroutine in BLAS1 package

Language

Fortran

Availability

Public domain, Portable

Precision

Double Precision

Alternates

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)

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968, consult@nist.gov

Usage

Those logged in to arno.nist.gov or amur.nist.gov may access this module as follows.