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1 720 jeremybenn
-- C45536A.DEP
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--                             Grant of Unlimited Rights
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--
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--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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--     unlimited rights in the software and documentation contained herein.
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--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
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--     this public release, the Government intends to confer upon all
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--     recipients unlimited rights  equal to those held by the Government.
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--     These rights include rights to use, duplicate, release or disclose the
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--     released technical data and computer software in whole or in part, in
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--     any manner and for any purpose whatsoever, and to have or permit others
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--     to do so.
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--
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--                                    DISCLAIMER
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--
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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-- OBJECTIVE:
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--     CHECK FIXED POINT MULTIPLICATION AND DIVISION WHEN 'SMALL OF
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--     THE OPERANDS ARE NOT BOTH POWERS OF THE SAME BASE VALUE.
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-- APPLICABILITY CRITERIA:
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--     THIS TEST IS APPLICABLE TO IMPLEMENTATIONS WHICH SUPPORT
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--     REPRESENTATION CLAUSES FOR 'SMALL WHICH ARE NOT POWERS OF TWO.
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--     IF SUCH REPRESENTATION CLAUSES ARE NOT SUPPORTED, THEN THE
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--     REPRESENTATION CLAUSE FOR CHECK_TYPE MUST BE REJECTED.
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-- HISTORY:
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--     BCB 02/02/88  CREATED ORIGINAL TEST.
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WITH REPORT; USE REPORT;
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PROCEDURE C45536A IS
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     TYPE CHECK_TYPE IS DELTA 2.0**(-1) RANGE 0.0 .. 8.0;
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     FOR CHECK_TYPE'SMALL USE 0.2;                     -- N/A => ERROR.
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     TYPE F1 IS DELTA 2.0**(-1) RANGE 0.0 .. 8.0;
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     FOR F1'SMALL USE 0.5;
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     TYPE F2 IS DELTA 2.0**(-1) RANGE 0.0 .. 8.0;
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     FOR F2'SMALL USE 0.2;
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     TYPE F3 IS DELTA 2.0**(-1) RANGE 0.0 .. 8.0;
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     FOR F3'SMALL USE 0.1;
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     A : F1;
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     B : F2;
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     C : F3;
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     FUNCTION IDENT_FIX(X : F3) RETURN F3 IS
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     BEGIN
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          IF EQUAL(3,3) THEN
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               RETURN X;
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          ELSE
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               RETURN 0.0;
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          END IF;
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     END IDENT_FIX;
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BEGIN
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     TEST ("C45536A", "CHECK FIXED POINT MULTIPLICATION AND DIVISION " &
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                      "WHEN 'SMALL OF THE OPERANDS ARE NOT BOTH " &
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                      "POWERS OF THE SAME BASE VALUE");
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     A := 1.0; B := 1.0; C := F3(A * B);
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     IF C /= IDENT_FIX(1.0) THEN
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          FAILED ("IMPROPER RESULTS FOR MULTIPLICATION - 1");
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     END IF;
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     C := F3(A / B);
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     IF C /= IDENT_FIX(1.0) THEN
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          FAILED ("IMPROPER RESULTS FOR DIVISION - 1");
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     END IF;
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     A := 1.0; B := 0.3; C := F3(A * B);
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     IF C NOT IN IDENT_FIX(0.2) .. IDENT_FIX(0.4) THEN
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          FAILED ("IMPROPER RESULTS FOR MULTIPLICATION - 2");
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     END IF;
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     B := 0.25; C := F3(A / B);
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     IF C NOT IN IDENT_FIX(2.5) .. IDENT_FIX(5.0) THEN
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          FAILED ("IMPROPER RESULTS FOR DIVISION - 2");
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     END IF;
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     A := 0.5; B := 0.3; C := F3(A * B);
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     IF C NOT IN IDENT_FIX(0.1) .. IDENT_FIX(0.2) THEN
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          FAILED ("IMPROPER RESULTS FOR MULTIPLICATION - 3");
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     END IF;
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     C := F3(A / B);
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     IF C NOT IN IDENT_FIX(1.2) .. IDENT_FIX(2.5) THEN
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          FAILED ("IMPROPER RESULTS FOR DIVISION - 3");
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     END IF;
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     B := 0.3; C := 0.2; A := F1(B * C);
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     IF A NOT IN F1(IDENT_FIX(0.0)) .. F1(IDENT_FIX(0.5)) THEN
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          FAILED ("IMPROPER RESULTS FOR MULTIPLICATION - 4");
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     END IF;
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     A := 1.0; B := 1.6; C := F3(A / B);
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     IF C NOT IN IDENT_FIX(0.6) .. IDENT_FIX(0.7) THEN
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          FAILED ("IMPROPER RESULTS FOR DIVISION - 4");
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     END IF;
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     A := 0.75; B := 0.4; C := F3(A * B);
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     IF C NOT IN IDENT_FIX(0.2) .. IDENT_FIX(0.4) THEN
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          FAILED ("IMPROPER RESULTS FOR MULTIPLICATION - 5");
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     END IF;
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     A := 0.8; C := F3(A / B);
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     IF C NOT IN IDENT_FIX(1.2) .. IDENT_FIX(2.5) THEN
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          FAILED ("IMPROPER RESULTS FOR DIVISION - 5");
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     END IF;
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     A := 0.8; B := 0.4; C := F3(A * B);
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     IF C NOT IN IDENT_FIX(0.2) .. IDENT_FIX(0.4) THEN
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          FAILED ("IMPROPER RESULTS FOR MULTIPLICATION - 6");
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     END IF;
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     A := 0.75; C := F3(A / B);
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     IF C NOT IN IDENT_FIX(1.2) .. IDENT_FIX(2.5) THEN
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          FAILED ("IMPROPER RESULTS FOR DIVISION - 6");
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     END IF;
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     A := 0.7; B := 0.3; C := F3(A * B);
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     IF C NOT IN IDENT_FIX(0.1) .. IDENT_FIX(0.4) THEN
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          FAILED ("IMPROPER RESULTS FOR MULTIPLICATION - 7");
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     END IF;
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     C := F3(A / B);
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     IF C NOT IN IDENT_FIX(1.2) .. IDENT_FIX(5.0) THEN
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          FAILED ("IMPROPER RESULTS FOR DIVISION - 7");
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     END IF;
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     RESULT;
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END C45536A;

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