| -- C45523A.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. |
| --* |
| -- OBJECTIVE: |
| -- FOR FLOATING POINT TYPES, IF MACHINE_OVERFLOWS IS TRUE AND |
| -- EITHER THE RESULT OF MULTIPLICATION LIES OUTSIDE THE RANGE OF THE |
| -- BASE TYPE, OR AN ATTEMPT IS MADE TO DIVIDE BY ZERO, THEN |
| -- CONSTRAINT_ERROR IS RAISED. THIS TESTS |
| -- DIGITS 5. |
| |
| |
| -- *** 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 |
| |
| -- HISTORY: |
| -- BCB 02/09/88 CREATED ORIGINAL TEST. |
| -- MRM 03/30/93 REMOVED NUMERIC_ERROR FOR 9X COMPATIBILITY |
| -- KAS 11/14/95 DELETED USAGE OF 'SAFE_LARGE |
| -- KAS 11/30/95 GOT IT RIGHT THIS TIME |
| |
| WITH REPORT; USE REPORT; |
| |
| PROCEDURE C45523A IS |
| |
| TYPE FLT IS DIGITS 5; |
| |
| F : FLT; |
| |
| FUNCTION IDENT_FLT(X : FLT) RETURN FLT IS |
| BEGIN |
| IF EQUAL(3,3) THEN |
| RETURN X; |
| ELSE |
| RETURN 0.0; |
| END IF; |
| END IDENT_FLT; |
| |
| FUNCTION EQUAL_FLT(ONE, TWO : FLT) RETURN BOOLEAN IS |
| BEGIN |
| RETURN ONE = TWO * FLT (IDENT_INT(1)); |
| END EQUAL_FLT; |
| |
| BEGIN |
| TEST ("C45523A", "FOR FLOATING POINT TYPES, IF MACHINE_" & |
| "OVERFLOWS IS TRUE AND EITHER THE RESULT OF " & |
| "MULTIPLICATION LIES OUTSIDE THE RANGE OF THE " & |
| "BASE TYPE, OR AN ATTEMPT IS MADE TO DIVIDE BY " & |
| "ZERO, THEN CONSTRAINT_ERROR IS RAISED." & |
| "THIS TESTS DIGITS 5"); |
| |
| |
| IF FLT'MACHINE_OVERFLOWS THEN |
| BEGIN |
| F := (FLT'BASE'LAST) * IDENT_FLT (2.0); |
| FAILED ("CONSTRAINT_ERROR WAS NOT RAISED FOR MULTIPLICATION"); |
| IF EQUAL_FLT(F,F**IDENT_INT(1)) THEN |
| COMMENT ("DON'T OPTIMIZE F"); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| COMMENT ("CONSTRAINT_ERROR WAS RAISED FOR " & |
| "MULTIPLICATION"); |
| WHEN OTHERS => |
| FAILED ("AN EXCEPTION OTHER THAN " & |
| "CONSTRAINT_ERROR WAS RAISED FOR " & |
| "MULTIPLICATION"); |
| END; |
| BEGIN |
| F := (FLT'LAST) / IDENT_FLT (0.0); |
| FAILED ("CONSTRAINT_ERROR WAS NOT RAISED FOR DIVISION BY ZERO"); |
| IF EQUAL_FLT(F,F**IDENT_INT(1)) THEN |
| COMMENT ("DON'T OPTIMIZE F"); |
| END IF; |
| EXCEPTION |
| WHEN CONSTRAINT_ERROR => |
| COMMENT ("CONSTRAINT_ERROR WAS RAISED FOR " & |
| "DIVISION BY ZERO"); |
| WHEN OTHERS => |
| FAILED ("AN EXCEPTION OTHER THAN CONSTRAINT_ERROR " & |
| "WAS RAISED FOR DIVISION BY ZERO"); |
| END; |
| ELSE |
| NOT_APPLICABLE ("THIS TEST IS NOT APPLICABLE DUE TO " & |
| "MACHINE_OVERFLOWS BEING FALSE"); |
| END IF; |
| |
| RESULT; |
| END C45523A; |