COMPLEX FUNCTION CDOTC(N,CX,INCX,CY,INCY)
INTEGER INCX,INCY,N
COMPLEX CX(*),CY(*)
COMPLEX CTEMP
INTEGER I,IX,IY
INTRINSIC CONJG
CTEMP = (0.0,0.0)
CDOTC = (0.0,0.0)
IF (N.LE.0) RETURN
IF (INCX.EQ.1 .AND. INCY.EQ.1) GO TO 20
IX = 1
IY = 1
IF (INCX.LT.0) IX = (-N+1)*INCX + 1
IF (INCY.LT.0) IY = (-N+1)*INCY + 1
DO 10 I = 1,N
CTEMP = CTEMP + CONJG(CX(IX))*CY(IY)
IX = IX + INCX
IY = IY + INCY
10 CONTINUE
CDOTC = CTEMP
RETURN
20 DO 30 I = 1,N
CTEMP = CTEMP + CONJG(CX(I))*CY(I)
30 CONTINUE
CDOTC = CTEMP
RETURN
END