01:       SUBROUTINE CCOPY(N,CX,INCX,CY,INCY)
02: *     .. Scalar Arguments ..
03:       INTEGER INCX,INCY,N
04: *     ..
05: *     .. Array Arguments ..
06:       COMPLEX CX(*),CY(*)
07: *     ..
08: *
09: *  Purpose
10: *  =======
11: *
12: *     CCOPY copies a vector x to a vector y.
13: *
14: *  Further Details
15: *  ===============
16: *
17: *     jack dongarra, linpack, 3/11/78.
18: *     modified 12/3/93, array(1) declarations changed to array(*)
19: *
20: *     .. Local Scalars ..
21:       INTEGER I,IX,IY
22: *     ..
23:       IF (N.LE.0) RETURN
24:       IF (INCX.EQ.1 .AND. INCY.EQ.1) GO TO 20
25: *
26: *        code for unequal increments or equal increments
27: *          not equal to 1
28: *
29:       IX = 1
30:       IY = 1
31:       IF (INCX.LT.0) IX = (-N+1)*INCX + 1
32:       IF (INCY.LT.0) IY = (-N+1)*INCY + 1
33:       DO 10 I = 1,N
34:           CY(IY) = CX(IX)
35:           IX = IX + INCX
36:           IY = IY + INCY
37:    10 CONTINUE
38:       RETURN
39: *
40: *        code for both increments equal to 1
41: *
42:    20 DO 30 I = 1,N
43:           CY(I) = CX(I)
44:    30 CONTINUE
45:       RETURN
46:       END
47: