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-- C87B07A.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:

--

-- FOR THE ATTRIBUTE OF THE FORM T'POS (X), THE OPERAND X MUST 

-- BE A VALUE OF TYPE T. THE RESULT IS OF TYPE UNIVERSAL_INTEGER.

-- TRH  13 SEPT 82

WITH REPORT; USE REPORT;

PROCEDURE C87B07A IS

     TYPE NATURAL IS NEW INTEGER RANGE 1 .. INTEGER'LAST;

     TYPE WHOLE   IS NEW INTEGER RANGE 0 .. INTEGER'LAST;

     TYPE COLOR   IS (BROWN, RED, WHITE);

     TYPE SCHOOL  IS (HARVARD, BROWN, YALE);

     TYPE SUGAR   IS (DEXTROSE, CANE, BROWN);

     FUNCTION "+" (X, Y : NATURAL) RETURN NATURAL

          RENAMES "*";

     FUNCTION "+" (X, Y : WHOLE) RETURN WHOLE

          RENAMES "-";

BEGIN

     TEST ("C87B07A","OVERLOADED OPERANDS TO THE 'POS' ATTRIBUTE");

     IF NATURAL'POS (1 + 1) /= 1 OR COLOR'POS  (BROWN) /= 0 OR

        WHOLE'POS   (1 + 1) /= 0 OR SCHOOL'POS (BROWN) /= 1 OR

        INTEGER'POS (1 + 1) /= 2 OR SUGAR'POS  (BROWN) /= 2 THEN

        FAILED ("RESOLUTION INCORRECT FOR OPERAND TO 'POS' ATTRIBUTE");

     END IF;

     IF NATURAL'POS (3 + 3) + 1 /= 10 OR    -- SECOND "+" IS UNIVERSAL.

        WHOLE'POS   (3 + 3) + 1 /=  1 OR    -- SECOND "+" IS UNIVERSAL.

        INTEGER'POS (3 + 3) + 1 /=  7 THEN  -- SECOND "+" IS UNIVERSAL.

        FAILED ("RESOLUTION INCORRECT - 'POS' ATTRIBUTE RETURNS " &

                "A UNIVERSAL_INTEGER VALUE");

     END IF;

     RESULT;

END C87B07A;