NAME

SRC/zlartv.f

SYNOPSIS

Functions/Subroutines

subroutine zlartv (n, x, incx, y, incy, c, s, incc)
ZLARTV applies a vector of plane rotations with real cosines and complex sines to the elements of a pair of vectors.

Function/Subroutine Documentation

subroutine zlartv (integer n, complex16, dimension( ) x, integer incx, complex16, dimension( ) y, integer incy, double precision, dimension( * ) c, complex16, dimension( ) s, integer incc)

ZLARTV applies a vector of plane rotations with real cosines and complex sines to the elements of a pair of vectors.

Purpose:

!>
!> ZLARTV applies a vector of complex plane rotations with real cosines
!> to elements of the complex vectors x and y. For i = 1,2,...,n
!>
!>    ( x(i) ) := (        c(i)   s(i) ) ( x(i) )
!>    ( y(i) )    ( -conjg(s(i))  c(i) ) ( y(i) )
!>

Parameters

!>          N is INTEGER
!>          The number of plane rotations to be applied.
!>

!>          X is COMPLEX*16 array, dimension (1+(N-1)*INCX)
!>          The vector x.
!>

INCX

!>          INCX is INTEGER
!>          The increment between elements of X. INCX > 0.
!>

!>          Y is COMPLEX*16 array, dimension (1+(N-1)*INCY)
!>          The vector y.
!>

INCY

!>          INCY is INTEGER
!>          The increment between elements of Y. INCY > 0.
!>

!>          C is DOUBLE PRECISION array, dimension (1+(N-1)*INCC)
!>          The cosines of the plane rotations.
!>

!>          S is COMPLEX*16 array, dimension (1+(N-1)*INCC)
!>          The sines of the plane rotations.
!>

INCC

!>          INCC is INTEGER
!>          The increment between elements of C and S. INCC > 0.
!>

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line 106 of file zlartv.f.

Author

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LAPACK