1-- C58004G.ADA
2
3--                             Grant of Unlimited Rights
4--
5--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
6--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
7--     unlimited rights in the software and documentation contained herein.
8--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
9--     this public release, the Government intends to confer upon all
10--     recipients unlimited rights  equal to those held by the Government.
11--     These rights include rights to use, duplicate, release or disclose the
12--     released technical data and computer software in whole or in part, in
13--     any manner and for any purpose whatsoever, and to have or permit others
14--     to do so.
15--
16--                                    DISCLAIMER
17--
18--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
19--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
20--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
21--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
22--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
23--     PARTICULAR PURPOSE OF SAID MATERIAL.
24--*
25-- CHECK THAT THE RETURN STATEMENT WORKS FOR RECURSIVE SUBPROGRAMS,
26--    BOTH FUNCTIONS AND PROCEDURES.
27
28-- CHECK GENERIC SUBPROGRAMS.
29
30-- SPS 3/7/83
31-- JBG 9/13/83
32
33WITH REPORT;
34PROCEDURE C58004G IS
35
36     USE REPORT;
37
38     I1, I2 : INTEGER := 0;
39
40     GENERIC
41     PROCEDURE FACTORIALP (IP1 : IN INTEGER; IP2 : IN OUT INTEGER);
42
43     GENERIC
44     FUNCTION FACTORIALF (IF1: INTEGER) RETURN INTEGER;
45
46     PROCEDURE FACTORIALP (IP1 : IN INTEGER; IP2 : IN OUT INTEGER) IS
47     BEGIN
48          IF IP1 = 1 THEN
49               IP2 := 1;
50               RETURN;
51          ELSE FACTORIALP (IP1 - 1, IP2);
52               IP2 := IP1 * IP2;
53               RETURN;
54          END IF;
55
56          IP2 := 0;
57
58     END FACTORIALP;
59
60     FUNCTION FACTORIALF (IF1 : INTEGER) RETURN INTEGER IS
61
62     BEGIN
63          IF IF1 = 1 THEN RETURN (1);
64          END IF;
65
66          RETURN (IF1 * FACTORIALF(IF1 - 1) );
67
68     END FACTORIALF;
69
70     PROCEDURE FACTP IS NEW FACTORIALP;
71     FUNCTION FACTF IS NEW FACTORIALF;
72
73BEGIN
74     TEST ("C58004G", "CHECK THAT THE RETURN STATEMENT WORKS FOR" &
75           " RECURSIVE GENERIC FUNCTIONS AND PROCEDURES");
76
77     I1 := FACTF (5);
78
79     IF I1 /= 120 THEN
80           FAILED ("RETURN STATEMENT IN RECURSIVE FUNCTION NOT " &
81                   "WORKING");
82     END IF;
83
84     FACTP (5, I2);
85
86     IF I2 = 0 THEN
87          FAILED ("RETURN STATEMENT IN RECURSIVE PROCEDURE NOT " &
88                  "WORKING");
89     ELSIF I2 /= 120 THEN
90          FAILED
91          ("RETURN STMT IN RECURSIVE PROCEDURE NOT WORKING CORRECTLY");
92     END IF;
93
94     RESULT;
95END C58004G;
96