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-- CD2A51A.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 WHEN A SIZE SPECIFICATION IS GIVEN FOR A

--     FIXED POINT TYPE, THEN OPERATIONS ON VALUES OF SUCH A TYPE

--     ARE NOT AFFECTED BY THE REPRESENTATION CLAUSE.

-- HISTORY:

--     RJW 08/12/87  CREATED ORIGINAL TEST.

--     DHH 04/12/89  CHANGED EXTENSION FROM '.DEP' TO '.ADA', CHANGED

--                   OPERATORS ON 'SIZE TESTS, AND CHANGED 'SIZE CLAUSE

--                   SO THAT IT IS NOT A POWER OF TWO.

--     WMC 03/31/92  ELIMINATED TEST REDUNDANCIES.

--     PWN 02/02/95  REMOVED INCONSISTENCIES WITH ADA 9X.

WITH REPORT; USE REPORT;

PROCEDURE CD2A51A IS

     BASIC_SIZE : CONSTANT := 9;

     TYPE BASIC_TYPE IS DELTA 2.0 ** (-4) RANGE -4.0 .. 4.0;

     TYPE CHECK_TYPE IS DELTA 2.0 ** (-4) RANGE -4.0 .. 4.0;

     FOR CHECK_TYPE'SIZE USE BASIC_SIZE;

     CNEG1 : CHECK_TYPE := -3.5;

     CNEG2 : CHECK_TYPE := CHECK_TYPE (-1.0/3.0);

     CPOS1 : CHECK_TYPE := CHECK_TYPE (4.0/6.0);

     CPOS2 : CHECK_TYPE :=  3.5;

     CZERO : CHECK_TYPE;

     TYPE ARRAY_TYPE IS ARRAY (0 .. 3) OF CHECK_TYPE;

     CHARRAY : ARRAY_TYPE :=

          (-3.5, CHECK_TYPE (-1.0/3.0), CHECK_TYPE (4.0/6.0), 3.5);

     TYPE REC_TYPE IS RECORD

          COMPN1 : CHECK_TYPE := -3.5;

          COMPN2 : CHECK_TYPE := CHECK_TYPE (-1.0/3.0);

          COMPP1 : CHECK_TYPE := CHECK_TYPE (4.0/6.0);

          COMPP2 : CHECK_TYPE :=  3.5;

     END RECORD;

     CHREC : REC_TYPE;

     FUNCTION IDENT (FX : CHECK_TYPE) RETURN CHECK_TYPE IS

     BEGIN

          IF EQUAL (3, 3) THEN

               RETURN FX;

          ELSE

               RETURN 0.0;

          END IF;

     END IDENT;

     PROCEDURE PROC (N1_IN, P1_IN      :        CHECK_TYPE;

                     N2_INOUT,P2_INOUT : IN OUT CHECK_TYPE;

                     CZOUT             :    OUT CHECK_TYPE) IS

     BEGIN

          IF +IDENT (N2_INOUT) NOT IN -0.375 .. -0.3125 OR

             IDENT (-P1_IN) NOT IN -0.6875 .. -0.625 THEN

               FAILED ("INCORRECT RESULTS FOR " &

                       "UNARY ADDING OPERATORS - 1");

          END IF;

          IF ABS IDENT (N2_INOUT) NOT IN 0.3125 .. 0.375 OR

             IDENT (ABS P1_IN) NOT IN 0.625 .. 0.6875 THEN

               FAILED ("INCORRECT RESULTS FOR " &

                       "ABSOLUTE VALUE OPERATORS - 1");

          END IF;

          CZOUT := 0.0;

     END PROC;

BEGIN

     TEST ("CD2A51A", "CHECK THAT WHEN A SIZE SPECICFICATION IS " &

                      "GIVEN FOR A FIXED POINT TYPE, THEN " &

                      "OPERATIONS ON VALUES OF SUCH A TYPE ARE " &

                      "NOT AFFECTED BY THE REPRESENTATION CLAUSE");

     PROC (CNEG1, CPOS1, CNEG2, CPOS2, CZERO);

     IF IDENT (CZERO) /= 0.0 THEN

          FAILED ("INCORRECT VALUE FOR OUT PARAMETER");

     END IF;

     IF CHECK_TYPE'LAST < IDENT (3.9375) THEN

          FAILED ("INCORRECT VALUE FOR CHECK_TYPE'LAST");

     END IF;

     IF CHECK_TYPE'SIZE /= IDENT_INT (BASIC_SIZE) THEN

          FAILED ("INCORRECT VALUE FOR CHECK_TYPE'SIZE");

     END IF;

     IF CHECK_TYPE'AFT /= BASIC_TYPE'AFT THEN

          FAILED ("INCORRECT VALUE FOR CHECK_TYPE'AFT");

     END IF;

     IF CNEG1'SIZE < IDENT_INT (BASIC_SIZE) THEN

          FAILED ("INCORRECT VALUE FOR CNEG1'SIZE");

     END IF;

     IF IDENT (CNEG1) + CPOS1 NOT IN -2.875 .. -2.8125 OR

        CPOS2  - IDENT (CPOS1) NOT IN 2.8125 .. 2.875 THEN

          FAILED ("INCORRECT RESULTS FOR BINARY ADDING OPERATORS - 2");

     END IF;

     IF CHECK_TYPE (CNEG1 * IDENT (CPOS1)) NOT IN -2.4375 .. -2.1875 OR

        CHECK_TYPE (IDENT (CNEG2) / CPOS2) NOT IN

               -0.125 .. -0.0625 THEN

          FAILED ("INCORRECT RESULTS FOR MULTIPLYING OPERATORS - 2");

     END IF;

     IF IDENT (CPOS1) NOT IN 0.625 .. 0.6875 OR

            CNEG2 IN -0.25 .. 0.0 OR

            IDENT (CNEG2) IN -1.0 .. -0.4375 THEN

          FAILED ("INCORRECT RESULTS FOR MEMBERSHIP " &

                  "OPERATORS - 2");

     END IF;

     IF CHARRAY (1)'SIZE < IDENT_INT (BASIC_SIZE) THEN

          FAILED ("INCORRECT VALUE FOR CHARRAY (1)'SIZE");

     END IF;

     IF +IDENT (CHARRAY (1)) NOT IN -0.375 .. -0.3125 OR

        IDENT (-CHARRAY (2)) NOT IN -0.6875 .. -0.625 THEN

          FAILED ("INCORRECT RESULTS FOR UNARY ADDING OPERATORS - 3");

     END IF;

     IF ABS IDENT (CHARRAY (1)) NOT IN 0.3125 .. 0.375 OR

        IDENT (ABS CHARRAY (2)) NOT IN 0.625 .. 0.6875 THEN

          FAILED ("INCORRECT RESULTS FOR ABSOLUTE VALUE " &

                  "OPERATORS - 3");

     END IF;

     IF IDENT (CHARRAY (2)) NOT IN 0.625 .. 0.6875 OR

            CHARRAY (1) IN -0.25 .. 0.0 OR

            IDENT (CHARRAY (1)) IN -1.0 .. -0.4375 THEN

          FAILED ("INCORRECT RESULTS FOR MEMBERSHIP " &

                  "OPERATORS - 3");

     END IF;

     IF CHREC.COMPP1'SIZE < IDENT_INT (BASIC_SIZE) THEN

          FAILED ("INCORRECT VALUE FOR CHREC.COMPP1'SIZE");

     END IF;

     IF IDENT (CHREC.COMPN1) + CHREC.COMPP1 NOT IN

             -2.875 .. -2.8125 OR

        CHREC.COMPP2  - IDENT (CHREC.COMPP1) NOT IN

             2.8125 .. 2.875 THEN

          FAILED ("INCORRECT RESULTS FOR BINARY ADDING OPERATORS - 4");

     END IF;

     IF CHECK_TYPE (CHREC.COMPN1 * IDENT (CHREC.COMPP1)) NOT IN

          -2.4375 .. -2.1875 OR

        CHECK_TYPE (IDENT (CHREC.COMPN2) / CHREC.COMPP2) NOT IN

          -0.125 .. -0.0625 THEN

          FAILED ("INCORRECT RESULTS FOR MULTIPLYING OPERATORS - 4");

     END IF;

     IF IDENT (CHREC.COMPP1) NOT IN 0.625 .. 0.6875 OR

            CHREC.COMPN2 IN -0.25 .. 0.0 OR

            IDENT (CHREC.COMPN2) IN -1.0 .. -0.4375 THEN

          FAILED ("INCORRECT RESULTS FOR MEMBERSHIP " &

                  "OPERATORS - 4");

     END IF;

     RESULT;

END CD2A51A;