| -- C4A013A.ADA |
| |
| -- Grant of Unlimited Rights |
| -- |
| -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687, |
| -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained |
| -- unlimited rights in the software and documentation contained herein. |
| -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making |
| -- this public release, the Government intends to confer upon all |
| -- recipients unlimited rights equal to those held by the Government. |
| -- These rights include rights to use, duplicate, release or disclose the |
| -- released technical data and computer software in whole or in part, in |
| -- any manner and for any purpose whatsoever, and to have or permit others |
| -- to do so. |
| -- |
| -- DISCLAIMER |
| -- |
| -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR |
| -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED |
| -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE |
| -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE |
| -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A |
| -- PARTICULAR PURPOSE OF SAID MATERIAL. |
| --* |
| -- CHECK THAT CONSTRAINT_ERROR IS RAISED FOR A NONSTATIC |
| -- UNIVERSAL_REAL EXPRESSION IF THE VALUE WOULD LIE OUTSIDE THE RANGE OF |
| -- THE BASE TYPE OF THE MOST ACCURATE PREDEFINED FLOATING POINT TYPE AND |
| -- MACHINE_OVERFLOWS IS TRUE FOR THAT TYPE. |
| |
| -- *** NOTE: This test has been modified since ACVC version 1.11 to -- 9X |
| -- *** remove incompatibilities associated with the transition -- 9X |
| -- *** to Ada 9X. -- 9X |
| -- *** -- 9X |
| |
| -- BAW 29 SEPT 80 |
| -- TBN 10/30/85 RENAMED FROM C4A013A.ADA. |
| -- JRK 1/13/86 COMPLETELY REVISED TO CHECK NONSTATIC UNIVERSAL_REAL |
| -- EXPRESSIONS WHOSE RESULTS OVERFLOW. REVISED |
| -- NUMERIC_ERROR/CONSTRAINT_ERROR ACCORDING TO |
| -- AI-00387. |
| -- MRM 03/30/93 REMOVED NUMERIC_ERROR FOR 9X COMPATIBILITY |
| |
| WITH SYSTEM, REPORT; |
| USE SYSTEM, REPORT; |
| |
| PROCEDURE C4A013A IS |
| |
| TYPE F IS DIGITS MAX_DIGITS; |
| |
| B : BOOLEAN; |
| |
| BEGIN |
| TEST ("C4A013A", "CHECK NONSTATIC UNIVERSAL_REAL EXPRESSIONS " & |
| "WHOSE RESULTS OVERFLOW"); |
| |
| BEGIN |
| B := 1.0 < 1.0 / (1.0 * INTEGER'POS (IDENT_INT (0))); |
| |
| IF F'MACHINE_OVERFLOWS THEN |
| FAILED ("MACHINE_OVERFLOWS IS TRUE, BUT NO EXCEPTION " & |
| "WAS RAISED"); |
| ELSE COMMENT ("MACHINE_OVERFLOWS IS FALSE AND NO EXCEPTION " & |
| "WAS RAISED"); |
| END IF; |
| |
| IF NOT B THEN -- USE B TO PREVENT DEAD VARIABLE OPTIMIZATION. |
| COMMENT ("1.0 < 1.0 / 0.0 YIELDS FALSE"); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| COMMENT ("CONSTRAINT_ERROR RAISED"); |
| WHEN OTHERS => |
| FAILED ("WRONG EXCEPTION RAISED"); |
| END; |
| |
| RESULT; |
| END C4A013A; |