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-- C87B10A.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 OVERLOADING RESOLUTION USES THE RULE THAT:

--

-- IN A RANGE CONSTRAINT OF A FIXED POINT OR FLOATING POINT TYPE

-- DEFINITION, BOTH BOUNDS MUST BE OF SOME REAL TYPE, ALTHOUGH

-- THE TWO BOUNDS DO NOT HAVE TO BE OF THE SAME TYPE.

-- TRH 7/28/82

-- DSJ 6/10/83

-- JBG 9/19/84

WITH REPORT; USE REPORT;

PROCEDURE C87B10A IS

     SUBTYPE DUR IS DURATION;

     FUNCTION "+" (X : FLOAT) RETURN INTEGER IS

     BEGIN

          FAILED ("RANGE CONSTRAINT FOR REAL TYPE DEFINITIONS " &

                  "MUST HAVE REAL BOUNDS");

          RETURN -10;

     END "+";

     FUNCTION "+" (X, Y : FLOAT) RETURN INTEGER IS

     BEGIN

          FAILED ("RANGE CONSTRAINT FOR REAL TYPE DEFINITIONS " &

                  "MUST HAVE REAL BOUNDS");

          RETURN -10;

     END "+";

BEGIN

     TEST ("C87B10A","RANGE BOUNDS IN REAL TYPE DEFINITIONS MUST BE" &

           " OF SOME (NOT NECESSARILY THE SAME) REAL TYPE");

     DECLARE

          TYPE R1 IS DIGITS  2 RANGE 0.0 .. 1.0 + FLOAT'(1.0);

          TYPE R2 IS DELTA 0.1 RANGE FLOAT'(1.0) + 1.0 .. DUR'(2.0);

          TYPE R3 IS DIGITS  2 RANGE +1.0 .. "+" (FLOAT'(2.0), 2.0);

          TYPE R4 IS DELTA 0.1 RANGE 0.0 + FLOAT'(0.0) .. +1.0;

     BEGIN

          IF 2.0 NOT IN R1 OR -1.0 IN R2 OR

               -1.0 IN R3 OR -0.9 IN R4 THEN

               FAILED ("RANGE BOUNDS IN REAL TYPE DEFINITIONS DO NOT "

                    & "HAVE TO BE OF THE SAME REAL TYPE");

          END IF;

     END;

     RESULT;

END C87B10A;