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-- C45534B.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.

--*

-- OBJECTIVE:

--     CHECK THAT CONSTRAINT_ERROR IS RAISED WHEN A

--     FIXED POINT VALUE IS DIVIDED BY ZERO (EITHER AN INTEGER ZERO OR

--     A FIXED POINT ZERO).

-- *** NOTE: This test has been modified since ACVC version 1.11 to    -- 9X

-- ***       remove incompatibilities associated with the transition   -- 9X

-- ***       to Ada 9X.                                                -- 9X

-- ***                                                                 -- 9X

-- HISTORY:

--     BCB 07/14/88  CREATED ORIGINAL TEST.

--     MRM 03/30/93  REMOVED NUMERIC ERROR FOR 9X CONSISTENCY

WITH REPORT; USE REPORT;

PROCEDURE C45534B IS

     TYPE FIX IS DELTA 2.0**(-1) RANGE -2.0 .. 2.0;

     TYPE FIX2 IS DELTA 2.0**(-1) RANGE -3.0 .. 3.0;

     A : FIX := 1.0;

     B : FIX;

     ZERO : FIX := 0.0;

     ZERO2 : FIX2 := 0.0;

     FUNCTION IDENT_FLT (ONE, TWO : FIX) RETURN BOOLEAN IS

     BEGIN

          RETURN ONE = FIX (TWO * FIX (IDENT_INT(1)));

     END IDENT_FLT;

BEGIN

     TEST ("C45534B", "CHECK THAT CONSTRAINT_ERROR IS RAISED WHEN " &

                      "A FIXED POINT VALUE IS " &

                      "DIVIDED BY ZERO (EITHER AN INTEGER ZERO OR A " &

                      "FIXED POINT ZERO)");

     BEGIN

          B := A / IDENT_INT (0);

          FAILED ("NO EXCEPTION RAISED FOR DIVISION BY INTEGER ZERO");

          IF IDENT_FLT (B,B) THEN

               COMMENT ("DON'T OPTIMIZE B");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("OTHER EXCEPTION RAISED");

     END;

     BEGIN

          B := FIX (A / ZERO);

          FAILED ("NO EXCEPTION RAISED FOR DIVISION BY FIXED POINT " &

                  "ZERO - 1");

          IF IDENT_FLT (B,B) THEN

               COMMENT ("DON'T OPTIMIZE B");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("OTHER EXCEPTION RAISED");

      END;

     BEGIN

          B := FIX (A / ZERO2);

          FAILED ("NO EXCEPTION RAISED FOR DIVISION BY FIXED POINT " &

                  "ZERO - 2");

          IF IDENT_FLT (B,B) THEN

               COMMENT ("DON'T OPTIMIZE B");

          END IF;

     EXCEPTION

          WHEN CONSTRAINT_ERROR =>

               NULL;

          WHEN OTHERS =>

               FAILED ("OTHER EXCEPTION RAISED");

      END;

     RESULT;

END C45534B;