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-- C4A010B.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 STATIC UNIVERSAL REAL EXPRESSIONS ARE EVALUATED 

-- EXACTLY.  IN PARTICULAR, CHECK THAT THE CASCADING USE OF FRACTIONAL

-- VALUES DOES NOT RESULT IN THE LOSS OF PRECISION.

-- RJW 7/31/86

WITH REPORT; USE REPORT;

PROCEDURE C4A010B IS

BEGIN

     TEST( "C4A010B", "CHECK THAT STATIC UNIVERSAL REAL EXPRESSIONS " &

                      "ARE EVALUATED EXACTLY.  IN PARTICULAR, CHECK " &

                      "THAT THE CASCADING USE OF FRACTIONAL VALUES " &

                      "DOES NOT RESULT IN THE LOSS OF PRECISION" );

     DECLARE

          B : CONSTANT := 2.0/3.0;

          X0 : CONSTANT := 1.0;

          X1 : CONSTANT := X0 + B;

          X2 : CONSTANT := X1 + B ** 2;

          X3 : CONSTANT := X2 + B ** 3;

          X4 : CONSTANT := X3 + B ** 4;

          X5 : CONSTANT := X4 + B ** 5;

          X6 : CONSTANT := X5 + B ** 6;

          X7 : CONSTANT := X6 + B ** 7;

          X8 : CONSTANT := X7 + B ** 8;

          X9 : CONSTANT := X8 + B ** 9;

          Y1 : CONSTANT := B ** 10;

          Y2 : CONSTANT := 1.0;

          Y3 : CONSTANT := Y1 - Y2;

          Y4 : CONSTANT := B;

          Y5 : CONSTANT := Y4 - Y2;

          Y6 : CONSTANT := Y3 / Y5;

     BEGIN

          IF X9 /= 58025.0/19683.0 THEN

               FAILED ( "INCORRECT RESULTS FOR SERIES OF NAMED " &

                        "NUMBERS  - 1" );

          END IF;

          IF Y6 /= 58025.0/19683.0 THEN

               FAILED ( "INCORRECT RESULTS FOR SERIES OF NAMED " &

                        "NUMBERS  - 2" );

          END IF;

          IF X9 /= Y6 THEN

               FAILED ( "INCORRECT RESULTS FOR SERIES OF NAMED " &

                        "NUMBERS  - 3" );

          END IF;

     END;

     RESULT;

END C4A010B;