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.TH CLACRT l "15 June 2000" "LAPACK version 3.0" ")"
.SH NAME
CLACRT - perform the operation ( c s )( x ) ==> ( x ) ( -s c )( y ) ( y ) where c and s are complex and the vectors x and y are complex
.SH SYNOPSIS
.TP 19
SUBROUTINE CLACRT(
N, CX, INCX, CY, INCY, C, S )
.TP 19
.ti +4
INTEGER
INCX, INCY, N
.TP 19
.ti +4
COMPLEX
C, S
.TP 19
.ti +4
COMPLEX
CX( * ), CY( * )
.SH PURPOSE
CLACRT performs the operation ( c s )( x ) ==> ( x ) ( -s c )( y ) ( y ) where c and s are complex and the vectors x and y are complex.
.SH ARGUMENTS
.TP 8
N (input) INTEGER
The number of elements in the vectors CX and CY.
.TP 8
CX (input/output) COMPLEX array, dimension (N)
On input, the vector x.
On output, CX is overwritten with c*x + s*y.
.TP 8
INCX (input) INTEGER
The increment between successive values of CX. INCX <> 0.
.TP 8
CY (input/output) COMPLEX array, dimension (N)
On input, the vector y.
On output, CY is overwritten with -s*x + c*y.
.TP 8
INCY (input) INTEGER
The increment between successive values of CY. INCY <> 0.
.TP 8
C (input) COMPLEX
S (input) COMPLEX
C and S define the matrix
[ C S ].
[ -S C ]
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