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-- C45322A.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 IF 

--     MACHINE_OVERFLOWS IS TRUE AND THE RESULT OF THE ADDITION OR 

--     SUBTRACTION LIES OUTSIDE OF THE RANGE OF THE BASE TYPE.

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

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

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

-- HISTORY:

--     NPL 09/01/90  CREATED ORIGINAL TEST.

--     LDC 10/09/90  CHANGED THE STYLE OF THE TEST TO THE STANDARD

--                   ACVC FORMAT AND WRAPPED LINES WHICH WHERE LONGER

--                   THAN 71 CHARACTERS.

--     JRL 03/30/93  REMOVED NUMERIC_ERROR FROM TEST.

WITH REPORT; USE REPORT;

PROCEDURE C45322A IS

  TYPE FLOAT5 IS DIGITS 5;

  F5 : FLOAT5;

  FUNCTION IDENT (F : FLOAT5) RETURN FLOAT5 IS

  BEGIN

    RETURN F * FLOAT5(IDENT_INT(1));

  END IDENT;

  FUNCTION EQUAL (F,G : FLOAT5) RETURN BOOLEAN IS

  BEGIN

    RETURN F = G + FLOAT5(IDENT_INT(0));

  END EQUAL;

BEGIN

     TEST ("C45322A", "CHECK THAT CONSTRAINT_ERROR " &

                      "IS RAISED IF MACHINE_OVERFLOWS IS TRUE AND " &

                      "THE RESULT OF THE ADDITION OR SUBTRACTION " &

                      "LIES OUTSIDE OF THE RANGE OF THE BASE TYPE");

     IF NOT FLOAT5'MACHINE_OVERFLOWS THEN

          NOT_APPLICABLE("MACHINE_OVERFLOWS IS FALSE");

     ELSE

          BEGIN

               F5 := IDENT(FLOAT5'BASE'LAST) + FLOAT5'BASE'LAST;

               FAILED("NO EXCEPTION RAISED BY LARGE '+'");

               IF NOT EQUAL(F5, F5) THEN

                    COMMENT("DON'T OPTIMIZE F5");

               END IF;

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    NULL;

               WHEN OTHERS =>

                    FAILED("UNEXPECTED EXCEPTION RAISED BY LARGE '+'");

          END;

          -- AS ABOVE BUT INTERCHANGING '+' AND '-'

          BEGIN

               F5 := IDENT(FLOAT5'BASE'LAST) - FLOAT5'BASE'LAST;

               IF NOT EQUAL(F5, F5) THEN

                    COMMENT("DON'T OPTIMIZE F5");

               END IF;

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    FAILED("CONSTRAINT_ERROR " &

                           "RAISED BY INTERCHANGING LARGE '+'");

               WHEN OTHERS =>

                    FAILED("UNEXPECTED EXCEPTION RAISED BY " &

                           "INTERCHANGING LARGE '+'");

          END;

          BEGIN

               F5 := IDENT(FLOAT5'BASE'FIRST) + FLOAT5'BASE'FIRST;

               FAILED("NO EXCEPTION RAISED BY SMALL '+'");

               IF NOT EQUAL(F5, F5) THEN

                    COMMENT("DON'T OPTIMIZE F5");

               END IF;

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    NULL;

               WHEN OTHERS =>

                    FAILED("UNEXPECTED EXCEPTION RAISED BY SMALL '+'");

          END;

          -- AS ABOVE BUT INTERCHANGING '+' AND '-'

          BEGIN

               F5 := IDENT(FLOAT5'BASE'FIRST) - FLOAT5'BASE'FIRST;

               IF NOT EQUAL(F5, F5) THEN

                    COMMENT("DON'T OPTIMIZE F5");

               END IF;

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    FAILED("CONSTRAINT_ERROR " &

                           "RAISED BY INTERCHANGING SMALL '+'");

               WHEN OTHERS =>

                    FAILED("UNEXPECTED EXCEPTION RAISED BY " &

                           "INTERCHANGING SMALL '+'");

          END;

          BEGIN

               F5 := IDENT(FLOAT5'BASE'LAST) - FLOAT5'BASE'FIRST;

               FAILED("NO EXCEPTION RAISED BY LARGE '-'");

               IF NOT EQUAL(F5, F5) THEN

                    COMMENT("DON'T OPTIMIZE F5");

               END IF;

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    NULL;

               WHEN OTHERS =>

                    FAILED("UNEXPECTED EXCEPTION RAISED BY LARGE '-'");

          END;

          -- AS ABOVE BUT INTERCHANGING '+' AND '-'

          BEGIN

               F5 := IDENT(FLOAT5'BASE'LAST) + FLOAT5'BASE'FIRST;

               IF NOT EQUAL(F5, F5) THEN

                    COMMENT("DON'T OPTIMIZE F5");

               END IF;

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    FAILED("CONSTRAINT_ERROR " &

                           "RAISED BY INTERCHANGING LARGE '-'");

               WHEN OTHERS =>

                    FAILED("UNEXPECTED EXCEPTION RAISED BY " &

                           "INTERCHANGING LARGE '-'");

          END;

          BEGIN

               F5 := IDENT(FLOAT5'BASE'FIRST) - FLOAT5'BASE'LAST;

               FAILED("NO EXCEPTION RAISED BY SMALL '-'");

               IF NOT EQUAL(F5, F5) THEN

                    COMMENT("DON'T OPTIMIZE F5");

               END IF;

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    NULL;

               WHEN OTHERS =>

                    FAILED("UNEXPECTED EXCEPTION RAISED BY SMALL '-'");

          END;

          -- AS ABOVE BUT INTERCHANGING '+' AND '-'

          BEGIN

               F5 := IDENT(FLOAT5'BASE'FIRST) + FLOAT5'BASE'LAST;

               IF NOT EQUAL(F5, F5) THEN

                    COMMENT("DON'T OPTIMIZE F5");

               END IF;

          EXCEPTION

               WHEN CONSTRAINT_ERROR =>

                    FAILED("CONSTRAINT_ERROR " &

                           "RAISED BY INTERCHANGING SMALL '-'");

               WHEN OTHERS =>

                    FAILED("UNEXPECTED EXCEPTION RAISED BY " &

                           "INTERCHANGING SMALL '-'");

          END;

     END IF;

     RESULT;

END C45322A;