1-- C45622A.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-- OBJECTIVE:
26--     FOR EXPONENTIATION OF FLOATING POINT TYPES, CHECK THAT
27--      CONSTRAINT_ERROR IS RAISED IF
28--     MACHINE_OVERFLOWS IS TRUE AND THE RESULT IS OUTSIDE THE RANGE OF
29--     THE BASE TYPE.  THIS TESTS DIGITS 5.
30
31-- *** NOTE: This test has been modified since ACVC version 1.11 to    -- 9X
32-- ***       remove incompatibilities associated with the transition   -- 9X
33-- ***       to Ada 9X.                                                -- 9X
34-- ***                                                                 -- 9X
35
36-- HISTORY:
37--     BCB 02/09/88  CREATED ORIGINAL TEST.
38--     MRM 03/30/93  REMOVED NUMERIC_ERROR FOR 9X COMPATIBILITY
39
40WITH REPORT; USE REPORT;
41
42PROCEDURE C45622A IS
43
44     TYPE FLT IS DIGITS 5;
45
46     F : FLT;
47
48     FUNCTION EQUAL_FLT (ONE, TWO : FLT) RETURN BOOLEAN IS
49     BEGIN
50          RETURN ONE = TWO * FLT (IDENT_INT(1));
51     END EQUAL_FLT;
52
53BEGIN
54     TEST ("C45622A", "FOR EXPONENTIATION OF FLOATING POINT TYPES, " &
55                      "CHECK THAT CONSTRAINT_ERROR " &
56                      "IS RAISED IF MACHINE_OVERFLOWS IS TRUE AND " &
57                      "THE RESULT IS OUTSIDE THE RANGE OF THE BASE " &
58                      "TYPE.  THIS TESTS DIGITS 5");
59
60     IF FLT'MACHINE_OVERFLOWS THEN
61          BEGIN
62               F := (FLT'BASE'LAST)**IDENT_INT (2);
63               FAILED ("CONSTRAINT_ERROR WAS NOT RAISED FOR " &
64                       "EXPONENTIATION");
65
66               IF NOT EQUAL_FLT(F,F) THEN
67                    COMMENT ("DON'T OPTIMIZE F");
68               END IF;
69          EXCEPTION
70               WHEN CONSTRAINT_ERROR =>
71                    COMMENT ("CONSTRAINT_ERROR WAS RAISED FOR " &
72                             "EXPONENTIATION");
73               WHEN OTHERS =>
74                    FAILED ("AN EXCEPTION OTHER THAN CONSTRAINT_ERROR " &
75                            "WAS RAISED FOR EXPONENTIATION");
76          END;
77     ELSE
78          NOT_APPLICABLE ("THIS TEST IS NOT APPLICABLE DUE TO " &
79                          "MACHINE_OVERFLOWS BEING FALSE");
80     END IF;
81
82     RESULT;
83END C45622A;
84