1-- C87B05A.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 OVERLOADING RESOLUTION USES THE RULE THAT:
26--
27-- IN AN INTEGER TYPE DEFINITION WITH A RANGE CONSTRAINT, THE BOUNDS
28-- OF THE RANGE MUST BE OF SOME INTEGER TYPE.
29
30-- TRH  1 JULY 82
31
32WITH REPORT; USE REPORT;
33
34PROCEDURE C87B05A IS
35
36     ERR : BOOLEAN := FALSE;
37     TYPE WHOLE IS NEW INTEGER RANGE 0 .. INTEGER'LAST;
38     TYPE AGE   IS NEW INTEGER RANGE 0 .. 120;
39
40     FUNCTION "+" (X : WHOLE) RETURN FLOAT IS
41     BEGIN
42          ERR := TRUE;
43          RETURN 2.0;
44     END "+";
45
46     FUNCTION "-" (X : AGE) RETURN BOOLEAN IS
47     BEGIN
48          ERR := TRUE;
49          RETURN FALSE;
50     END "-";
51
52BEGIN
53     TEST ("C87B05A","OVERLOADED EXPRESSIONS IN RANGE BOUNDS " &
54           " OF INTEGER TYPE DEFINITIONS");
55
56     DECLARE
57          TYPE ADULT IS RANGE 18 .. "+" (WHOLE'(120));
58          TYPE MINOR IS RANGE "-" (AGE'(0))  .. "+" (WHOLE'(17));
59          TYPE NEG10 IS RANGE "-" (AGE'(10)) .. "-" (AGE'(1));
60
61     BEGIN
62          IF ERR THEN
63               FAILED ("RESOLUTION INCORRECT - INTEGER TYPE " &
64                       "DEFINITIONS MUST HAVE INTEGER TYPE "  &
65                       "RANGE BOUNDS");
66          END IF;
67     END;
68
69     RESULT;
70END C87B05A;
71