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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;
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