redhat man page for zlartg

Query: zlartg

OS: redhat

Section: l

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

ZLARTG(l)								 )								 ZLARTG(l)

NAME
ZLARTG - generate a plane rotation so that [ CS SN ] [ F ] [ R ] [ __ ]
SYNOPSIS
SUBROUTINE ZLARTG( F, G, CS, SN, R ) DOUBLE PRECISION CS COMPLEX*16 F, G, R, SN
PURPOSE
ZLARTG generates a plane rotation so that [ CS SN ] [ F ] [ R ] [ __ ] . [ ] = [ ] where CS**2 + |SN|**2 = 1. [ -SN CS ] [ G ] [ 0 ] This is a faster version of the BLAS1 routine ZROTG, except for the following differences: F and G are unchanged on return. If G=0, then CS=1 and SN=0. If F=0, then CS=0 and SN is chosen so that R is real.
ARGUMENTS
F (input) COMPLEX*16 The first component of vector to be rotated. G (input) COMPLEX*16 The second component of vector to be rotated. CS (output) DOUBLE PRECISION The cosine of the rotation. SN (output) COMPLEX*16 The sine of the rotation. R (output) COMPLEX*16 The nonzero component of the rotated vector.
FURTHER DETAILS
3-5-96 - Modified with a new algorithm by W. Kahan and J. Demmel LAPACK version 3.0 15 June 2000 ZLARTG(l)
Related Man Pages
dlartgp(3) - debian
dlartgp.f(3) - debian
zlartg.f(3) - debian
zlartg(3) - centos
dlartgp.f(3) - centos
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