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-- C87B40A.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 FOLLOWING RULES:

--

-- THE SAME OPERATIONS ARE PREDEFINED FOR THE TYPE UNIVERSAL_INTEGER

-- AS FOR ANY INTEGER TYPE. THE SAME OPERATIONS ARE PREDEFINED FOR THE

-- TYPE UNIVERSAL_REAL AS FOR ANY FLOATING POINT TYPE. IN ADDITION

-- THESE OPERATIONS INCLUDE THE FOLLOWING MULTIPLICATION AND DIVISION

-- OPERATORS:

--

--   "*" (UNIVERSAL_REAL, UNIVERSAL_INTEGER) RETURN UNIVERSAL_REAL

--   "*" (UNIVERSAL_INTEGER, UNIVERSAL_REAL) RETURN UNIVERSAL_REAL

--   "*" (UNIVERSAL_REAL,    UNIVERSAL_REAL) RETURN UNIVERSAL_REAL

--   "*" (UNIVERSAL_INTEGER, UNIVERSAL_INTEGER) RETURN UNIVERSAL_INTEGER

--   "/" (UNIVERSAL_REAL, UNIVERSAL_INTEGER) RETURN UNIVERSAL_REAL

--  "**" (UNIVERSAL_INTEGER, INTEGER) RETURN UNIVERSAL_INTEGER

--  "**" (UNIVERSAL_REAL, INTEGER) RETURN UNIVERSAL_REAL

-- "MOD" (UNIVERSAL_INTEGER, UNIVERSAL_INTEGER) RETURN UNIVERSAL_INTEGER

-- "DIV" (UNIVERSAL_INTEGER, UNIVERSAL_INTEGER) RETURN UNIVERSAL_INTEGER

-- "ABS" (UNIVERSAL_INTEGER) RETURN UNIVERSAL INTEGER

-- "ABS" (UNIVERSAL_REAL) RETURN UNIVERSAL_REAL

-- TRH  15 SEPT 82

WITH REPORT; USE REPORT;

PROCEDURE C87B40A IS

     ERR : BOOLEAN := FALSE;

     B : ARRAY (1 .. 12) OF BOOLEAN := (1 .. 12 => TRUE);

     FUNCTION "-" (X : INTEGER) RETURN INTEGER

          RENAMES STANDARD."+";

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

     BEGIN

          ERR := TRUE;

          RETURN X;

     END "+";

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

     BEGIN

          ERR := TRUE;

          RETURN X;

     END "+";

BEGIN

     TEST ("C87B40A","OVERLOADING RESOLUTION OF UNIVERSAL " &

           "EXPRESSIONS");

     B(1)  := 1.0 * (+1) IN 0.0 .. 0.0;       -- 1.0 * 1

     B(2)  := (+1) * 1.0 IN 0.0 .. 0.0;       -- 1 * 1.0

     B(3)  := 1.0 / (+1) IN 0.0 .. 0.0;       -- 1.0 / 1

     B(4)  := (+1)  +  (+1) <= (+1)  -  (+1); -- 1+1< 1 - 1

     B(5)  := (+1)  *  (+1) >  (+1)  /  (+1); -- 1*1 > 1/1

     B(6)  := (+1) MOD (+1) /= (+1) REM (+1); -- 1 MOD 1 /= 1 REM 1

     BEGIN

          B(7)  := (+2) **  (-2) <  "-"  (-1);     -- 2**2 < 1

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               FAILED("INCORRECT RESOLUTION FOR INTEGER EXPONENT - 7");

     END;

     B(8)  := (+1) REM (+1) > "ABS" (+1);     -- 1 REM 1 > ABS 1

     B(9)  := (+1.0)  +  (+1.0) <= (+1.0)  -  (+1.0); -- 2.0 <= 0.0

     B(10) := (+1.0)  *  (+1.0) >  (+1.0)  /  (+1.0); -- 1.0 > 1.0

     B(11) := (+2.0) **  (-1)   <  "-"  (-1.0);       -- 2.0 < 1.0

     B(12) := (+2.0) **  (-1)  <= "ABS" (+1.0);       -- 2.0 <= 1.0

     FOR I IN B'RANGE

     LOOP

          IF B(I) /= FALSE THEN

               FAILED("RESOLUTION OR OPERATIONS INCORRECT FOR "

               & "UNIVERSAL EXPRESSIONS - " & INTEGER'IMAGE(I) );

          END IF;

     END LOOP;

     IF ERR THEN

          FAILED ("RESOLUTION INCORRECT FOR UNIVERSAL EXPRESSIONS");

     END IF;

     RESULT;

END C87B40A;