| -- C67005A.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 IF A RENAMING DECLARATION DECLARES AN EQUALITY OPERATOR, THE |
| -- TYPES OF THE PARAMETERS NEED NOT BE LIMITED TYPES. |
| |
| -- JBG 9/28/83 |
| |
| WITH REPORT; USE REPORT; |
| PROCEDURE C67005A IS |
| BEGIN |
| TEST ("C67005A", "CHECK THAT AN EQUALITY OPERATOR DECLARED BY " & |
| "A RENAMING DECLARATION NEED NOT HAVE " & |
| "PARAMETERS OF A LIMITED TYPE"); |
| DECLARE |
| GENERIC |
| TYPE LP IS LIMITED PRIVATE; |
| WITH FUNCTION EQUAL (L, R : LP) RETURN BOOLEAN; |
| PACKAGE EQUALITY_OPERATOR IS |
| FUNCTION "=" (L, R : LP) RETURN BOOLEAN; |
| END EQUALITY_OPERATOR; |
| |
| PACKAGE BODY EQUALITY_OPERATOR IS |
| FUNCTION "=" (L, R : LP) RETURN BOOLEAN IS |
| BEGIN |
| RETURN EQUAL(L, R); |
| END "="; |
| END EQUALITY_OPERATOR; |
| |
| PACKAGE POLAR_COORDINATES IS |
| TYPE POLAR_COORD IS |
| RECORD |
| R : INTEGER; |
| THETA : INTEGER; |
| END RECORD; |
| FUNCTION EQUAL (L, R : POLAR_COORD) RETURN BOOLEAN; |
| PACKAGE POLAR_EQUAL IS NEW EQUALITY_OPERATOR |
| (POLAR_COORD, EQUAL); |
| FUNCTION "=" (L, R : POLAR_COORD) RETURN BOOLEAN |
| RENAMES POLAR_EQUAL."="; |
| END POLAR_COORDINATES; |
| |
| PACKAGE BODY POLAR_COORDINATES IS |
| FUNCTION EQUAL (L, R : POLAR_COORD) RETURN BOOLEAN IS |
| BEGIN |
| RETURN (L.THETA MOD 360) = (R.THETA MOD 360) AND |
| L.R = R.R; |
| END EQUAL; |
| END POLAR_COORDINATES; |
| |
| USE POLAR_COORDINATES; |
| |
| PACKAGE VARIABLES IS |
| P270 : POLAR_COORD := (R => 3, THETA => 270); |
| P360 : POLAR_COORD := (R => 3, THETA => IDENT_INT(360)); |
| END VARIABLES; |
| |
| USE VARIABLES; |
| |
| BEGIN |
| |
| IF P270 /= (3, -90) THEN |
| FAILED ("INCORRECT INEQUALITY OPERATOR"); |
| END IF; |
| |
| IF P360 = (3, 0) THEN |
| NULL; |
| ELSE |
| FAILED ("INCORRECT EQUALITY OPERATOR"); |
| END IF; |
| |
| RESULT; |
| |
| END; |
| END C67005A; |