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-- C58004C.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.

-- DCB 2/8/80

-- SPS 3/7/83

-- JBG 5/17/83

WITH REPORT;

PROCEDURE C58004C IS

     USE REPORT;

     I1, I2 : INTEGER := 0;   -- INITIAL VALUE IS IMMATERIAL

     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;

BEGIN

     TEST ("C58004C", "CHECK THAT THE RETURN STATEMENT WORKS FOR" &

           " RECURSIVE FUNCTIONS AND PROCEDURES");

     I1 := FACTORIALF (5);

     IF I1 /= 120 THEN

           FAILED ("RETURN STATEMENT IN RECURSIVE FUNCTION NOT " &

                   "WORKING");

     END IF;

     FACTORIALP (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 C58004C;