01:       SUBROUTINE CSSCAL(N,SA,CX,INCX)
02: *     .. Scalar Arguments ..
03:       REAL SA
04:       INTEGER INCX,N
05: *     ..
06: *     .. Array Arguments ..
07:       COMPLEX CX(*)
08: *     ..
09: *
10: *  Purpose
11: *  =======
12: *
13: *     CSSCAL scales a complex vector by a real constant.
14: *
15: *  Further Details
16: *  ===============
17: *
18: *     jack dongarra, linpack, 3/11/78.
19: *     modified 3/93 to return if incx .le. 0.
20: *     modified 12/3/93, array(1) declarations changed to array(*)
21: *
22: *  =====================================================================
23: *
24: *     .. Local Scalars ..
25:       INTEGER I,NINCX
26: *     ..
27: *     .. Intrinsic Functions ..
28:       INTRINSIC AIMAG,CMPLX,REAL
29: *     ..
30:       IF (N.LE.0 .OR. INCX.LE.0) RETURN
31:       IF (INCX.EQ.1) GO TO 20
32: *
33: *        code for increment not equal to 1
34: *
35:       NINCX = N*INCX
36:       DO 10 I = 1,NINCX,INCX
37:           CX(I) = CMPLX(SA*REAL(CX(I)),SA*AIMAG(CX(I)))
38:    10 CONTINUE
39:       RETURN
40: *
41: *        code for increment equal to 1
42: *
43:    20 DO 30 I = 1,N
44:           CX(I) = CMPLX(SA*REAL(CX(I)),SA*AIMAG(CX(I)))
45:    30 CONTINUE
46:       RETURN
47:       END
48: