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-- C64005A.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 A SUBPROGRAM CAN BE CALLED

-- RECURSIVELY AND THAT NON-LOCAL VARIABLES AND 

-- CONSTANTS ARE PROPERLY ACCESSED FROM WITHIN

-- RECURSIVE INVOCATIONS.

-- CVP 5/1/81

WITH REPORT;

PROCEDURE C64005A IS

     USE REPORT;

     TWENTY : CONSTANT INTEGER := 20;

     C1 : CONSTANT INTEGER := 1;

     I1, I2 : INTEGER := 0;

     PROCEDURE RECURSE (I1A : INTEGER; I2 : IN OUT INTEGER) IS

          C1 : CONSTANT INTEGER := 5;

     BEGIN

          IF I1A < TWENTY THEN

               RECURSE (I1A+C1, I2);

               I1 := I1 + C64005A.C1;

               I2 := I2 + I1A;

          END IF;

     END RECURSE;

BEGIN

     TEST ("C64005A", "RECURSIVE SUBPROGRAMS WITH " &

           "NON-LOCAL DATA ACCESS");

     RECURSE (0, I2);

     IF I1 /= 4 OR I2 /= 30 THEN

          FAILED ("RECURSIVE PROCEDURE INVOCATIONS " &

                  "WITH GLOBAL DATA ACCESS NOT PERFORMED " &

                  "CORRECTLY");

     END IF;

     RESULT;

END C64005A;