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-- C83E02A.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 WITHIN THE BODY OF A SUBPROGRAM A FORMAL PARAMETER CAN BE

--    USED DIRECTLY IN A RANGE CONSTRAINT, A DISCRIMINANT CONSTRAINT,

--    AND AN INDEX CONSTRAINT.

--    RM    8 JULY 1980

WITH REPORT;

PROCEDURE  C83E02A  IS

     USE REPORT;

     Z : INTEGER := 0 ;

     PROCEDURE  P1 ( A , B : INTEGER;  C : IN OUT INTEGER ) IS

          X : INTEGER RANGE A+1..1+B ;

     BEGIN

          X := A + 1 ;

          C := X * B + B * X * A ;         -- 4*3+3*4*3=48

     END ;

     PROCEDURE  P2 ( A , B : INTEGER;  C : IN OUT INTEGER ) IS

          TYPE  T (MAX : INTEGER)  IS

               RECORD

                    VALUE : INTEGER RANGE 1..3 ;

               END RECORD ;

          X : T(A);

     BEGIN

          X := ( MAX => 4 , VALUE => B ) ; -- ( 4 , 3 )

          C := 10*C + X.VALUE + 2 ;        -- 10*48+3+2=485

     END ;

     FUNCTION  F3 ( A , B : INTEGER )  RETURN INTEGER  IS

          TYPE  TABLE  IS  ARRAY( A..B ) OF INTEGER ;

          X : TABLE ;

          Y : ARRAY( A..B ) OF INTEGER ;

     BEGIN

          X(A) := A ;                      -- 5

          Y(B) := B ;                      -- 6

          RETURN X(A)-Y(B)+4 ;             -- 3

     END ;

BEGIN

     TEST( "C83E02A" , "CHECK THAT WITHIN THE BODY OF A SUBPROGRAM " &

                       " A FORMAL PARAMETER CAN BE USED DIRECTLY IN" &

                       " A RANGE CONSTRAINT, A DISCRIMINANT CONSTRAINT"&

                       ", AND AN INDEX CONSTRAINT" ) ;

     P1 ( 3 , 3 , Z );                     --  Z  BECOMES  48

     P2 ( 4 , F3( 5 , 6 ) , Z );           --  Z  BECOMES 485

     IF  Z /= 485  THEN

          FAILED( "ACCESSING ERROR OR COMPUTATION ERROR" );

     END IF;

     RESULT;

END C83E02A;