| -- C58004G.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 THE RETURN STATEMENT WORKS FOR RECURSIVE SUBPROGRAMS, |
| -- BOTH FUNCTIONS AND PROCEDURES. |
| |
| -- CHECK GENERIC SUBPROGRAMS. |
| |
| -- SPS 3/7/83 |
| -- JBG 9/13/83 |
| |
| WITH REPORT; |
| PROCEDURE C58004G IS |
| |
| USE REPORT; |
| |
| I1, I2 : INTEGER := 0; |
| |
| GENERIC |
| PROCEDURE FACTORIALP (IP1 : IN INTEGER; IP2 : IN OUT INTEGER); |
| |
| GENERIC |
| FUNCTION FACTORIALF (IF1: INTEGER) RETURN INTEGER; |
| |
| PROCEDURE FACTORIALP (IP1 : IN INTEGER; IP2 : IN OUT INTEGER) IS |
| BEGIN |
| IF IP1 = 1 THEN |
| IP2 := 1; |
| RETURN; |
| ELSE FACTORIALP (IP1 - 1, IP2); |
| IP2 := IP1 * IP2; |
| RETURN; |
| END IF; |
| |
| IP2 := 0; |
| |
| END FACTORIALP; |
| |
| FUNCTION FACTORIALF (IF1 : INTEGER) RETURN INTEGER IS |
| |
| BEGIN |
| IF IF1 = 1 THEN RETURN (1); |
| END IF; |
| |
| RETURN (IF1 * FACTORIALF(IF1 - 1) ); |
| |
| END FACTORIALF; |
| |
| PROCEDURE FACTP IS NEW FACTORIALP; |
| FUNCTION FACTF IS NEW FACTORIALF; |
| |
| BEGIN |
| TEST ("C58004G", "CHECK THAT THE RETURN STATEMENT WORKS FOR" & |
| " RECURSIVE GENERIC FUNCTIONS AND PROCEDURES"); |
| |
| I1 := FACTF (5); |
| |
| IF I1 /= 120 THEN |
| FAILED ("RETURN STATEMENT IN RECURSIVE FUNCTION NOT " & |
| "WORKING"); |
| END IF; |
| |
| FACTP (5, I2); |
| |
| IF I2 = 0 THEN |
| FAILED ("RETURN STATEMENT IN RECURSIVE PROCEDURE NOT " & |
| "WORKING"); |
| ELSIF I2 /= 120 THEN |
| FAILED |
| ("RETURN STMT IN RECURSIVE PROCEDURE NOT WORKING CORRECTLY"); |
| END IF; |
| |
| RESULT; |
| END C58004G; |