zdrot.f3

!>
!> Applies a plane rotation, where the cos and sin (c and s) are real
!> and the vectors cx and cy are complex.
!> jack dongarra, linpack, 3/11/78.
!> 

N

!>          N is INTEGER
!>           On entry, N specifies the order of the vectors cx and cy.
!>           N must be at least zero.
!> 

ZX

!>          ZX is COMPLEX*16 array, dimension at least
!>           ( 1 + ( N - 1 )*abs( INCX ) ).
!>           Before entry, the incremented array ZX must contain the n
!>           element vector cx. On exit, ZX is overwritten by the updated
!>           vector cx.
!> 

INCX

!>          INCX is INTEGER
!>           On entry, INCX specifies the increment for the elements of
!>           ZX. INCX must not be zero.
!> 

ZY

!>          ZY is COMPLEX*16 array, dimension at least
!>           ( 1 + ( N - 1 )*abs( INCY ) ).
!>           Before entry, the incremented array ZY must contain the n
!>           element vector cy. On exit, ZY is overwritten by the updated
!>           vector cy.
!> 

INCY

!>          INCY is INTEGER
!>           On entry, INCY specifies the increment for the elements of
!>           ZY. INCY must not be zero.
!> 

C

!>          C is DOUBLE PRECISION
!>           On entry, C specifies the cosine, cos.
!> 

S

!>          S is DOUBLE PRECISION
!>           On entry, S specifies the sine, sin.
!> 

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