NAME

zrot - apply a plane rotation, where the cos (C) is real and the sin (S) is complex, and the vectors X and Y are complex

SYNOPSIS

  SUBROUTINE ZROT( N, X, INCX, Y, INCY, C, S)
  DOUBLE COMPLEX S
  DOUBLE COMPLEX X(*), Y(*)
  INTEGER N, INCX, INCY
  DOUBLE PRECISION C
  SUBROUTINE ZROT_64( N, X, INCX, Y, INCY, C, S)
  DOUBLE COMPLEX S
  DOUBLE COMPLEX X(*), Y(*)
  INTEGER*8 N, INCX, INCY
  DOUBLE PRECISION C

F95 INTERFACE

  SUBROUTINE ROT( [N], X, [INCX], Y, [INCY], C, S)
  COMPLEX(8) :: S
  COMPLEX(8), DIMENSION(:) :: X, Y
  INTEGER :: N, INCX, INCY
  REAL(8) :: C
  SUBROUTINE ROT_64( [N], X, [INCX], Y, [INCY], C, S)
  COMPLEX(8) :: S
  COMPLEX(8), DIMENSION(:) :: X, Y
  INTEGER(8) :: N, INCX, INCY
  REAL(8) :: C

C INTERFACE

#include <sunperf.h>

void zrot(int n, doublecomplex *x, int incx, doublecomplex *y, int incy, double c, doublecomplex s);

void zrot_64(long n, doublecomplex *x, long incx, doublecomplex *y, long incy, double c, doublecomplex s);

PURPOSE

zrot applies a plane rotation, where the cos (C) is real and the sin (S) is complex, and the vectors X and Y are complex.

ARGUMENTS