.TH "SRC/zrot.f" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
SRC/zrot.f
.SH SYNOPSIS
.br
.PP
.SS "Functions/Subroutines"

.in +1c
.ti -1c
.RI "subroutine \fBzrot\fP (n, cx, incx, cy, incy, c, s)"
.br
.RI "\fBZROT\fP applies a plane rotation with real cosine and complex sine to a pair of complex vectors\&. "
.in -1c
.SH "Function/Subroutine Documentation"
.PP 
.SS "subroutine zrot (integer n, complex*16, dimension( * ) cx, integer incx, complex*16, dimension( * ) cy, integer incy, double precision c, complex*16 s)"

.PP
\fBZROT\fP applies a plane rotation with real cosine and complex sine to a pair of complex vectors\&.  
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
!>
!> ZROT applies a plane rotation, where the cos (C) is real and the
!> sin (S) is complex, and the vectors CX and CY are complex\&.
!> 
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIN\fP 
.PP
.nf
!>          N is INTEGER
!>          The number of elements in the vectors CX and CY\&.
!> 
.fi
.PP
.br
\fICX\fP 
.PP
.nf
!>          CX is COMPLEX*16 array, dimension (N)
!>          On input, the vector X\&.
!>          On output, CX is overwritten with C*X + S*Y\&.
!> 
.fi
.PP
.br
\fIINCX\fP 
.PP
.nf
!>          INCX is INTEGER
!>          The increment between successive values of CX\&.  INCX <> 0\&.
!> 
.fi
.PP
.br
\fICY\fP 
.PP
.nf
!>          CY is COMPLEX*16 array, dimension (N)
!>          On input, the vector Y\&.
!>          On output, CY is overwritten with -CONJG(S)*X + C*Y\&.
!> 
.fi
.PP
.br
\fIINCY\fP 
.PP
.nf
!>          INCY is INTEGER
!>          The increment between successive values of CY\&.  INCX <> 0\&.
!> 
.fi
.PP
.br
\fIC\fP 
.PP
.nf
!>          C is DOUBLE PRECISION
!> 
.fi
.PP
.br
\fIS\fP 
.PP
.nf
!>          S is COMPLEX*16
!>          C and S define a rotation
!>             [  C          S  ]
!>             [ -conjg(S)   C  ]
!>          where C*C + S*CONJG(S) = 1\&.0\&.
!> 
.fi
.PP
 
.RE
.PP
\fBAuthor\fP
.RS 4
Univ\&. of Tennessee 

.PP
Univ\&. of California Berkeley 

.PP
Univ\&. of Colorado Denver 

.PP
NAG Ltd\&. 
.RE
.PP

.PP
Definition at line \fB102\fP of file \fBzrot\&.f\fP\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.