LAPACK  3.6.0
LAPACK: Linear Algebra PACKage
subroutine zrotg ( complex*16  CA,
complex*16  CB,
double precision  C,
complex*16  S 
)

ZROTG

Purpose:
    ZROTG determines a double complex Givens rotation.
Author
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
November 2011