-- C45323A.ADA
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-- C45323A.ADA
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-- Grant of Unlimited Rights
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-- Grant of Unlimited Rights
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--
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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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-- 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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-- 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 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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-- 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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-- 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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-- 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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-- 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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-- 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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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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-- to do so.
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--
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--
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-- DISCLAIMER
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-- DISCLAIMER
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--
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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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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-- 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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-- 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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-- 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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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--*
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-- OBJECTIVE:
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-- OBJECTIVE:
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-- CHECK THAT THE NONASSOCIATIVITY OF REAL ARITHMETIC IS PRESERVED
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-- CHECK THAT THE NONASSOCIATIVITY OF REAL ARITHMETIC IS PRESERVED
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-- FOR FLOATING POINT PRECISION 5, EVEN WHEN OPTIMIZATION WOULD
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-- FOR FLOATING POINT PRECISION 5, EVEN WHEN OPTIMIZATION WOULD
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-- BENEFIT IF FLOATING POINT ADDITION WERE ASSOCIATIVE.
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-- BENEFIT IF FLOATING POINT ADDITION WERE ASSOCIATIVE.
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-- HISTORY:
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-- HISTORY:
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-- JET 08/10/88 CREATED ORIGINAL TEST.
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-- JET 08/10/88 CREATED ORIGINAL TEST.
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WITH REPORT; USE REPORT;
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WITH REPORT; USE REPORT;
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PROCEDURE C45323A IS
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PROCEDURE C45323A IS
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TYPE FLOAT5 IS DIGITS 5;
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TYPE FLOAT5 IS DIGITS 5;
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A, B, C, D, E : FLOAT5;
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A, B, C, D, E : FLOAT5;
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FUNCTION IDENT(F : FLOAT5) RETURN FLOAT5 IS
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FUNCTION IDENT(F : FLOAT5) RETURN FLOAT5 IS
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BEGIN
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BEGIN
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RETURN F * FLOAT5(IDENT_INT(1));
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RETURN F * FLOAT5(IDENT_INT(1));
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END IDENT;
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END IDENT;
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BEGIN
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BEGIN
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TEST ("C45323A", "CHECK THAT THE NONASSOCIATIVITY OF REAL " &
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TEST ("C45323A", "CHECK THAT THE NONASSOCIATIVITY OF REAL " &
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"ARITHMETIC IS PRESERVED FOR FLOATING POINT " &
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"ARITHMETIC IS PRESERVED FOR FLOATING POINT " &
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"PRECISION 5, EVEN WHEN OPTIMIZATION WOULD " &
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"PRECISION 5, EVEN WHEN OPTIMIZATION WOULD " &
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"BENEFIT IF FLOATING POINT ADDITION WERE " &
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"BENEFIT IF FLOATING POINT ADDITION WERE " &
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"ASSOCIATIVE");
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"ASSOCIATIVE");
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B := 2#0.1010_1010_1010_1010_10#E3;
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B := 2#0.1010_1010_1010_1010_10#E3;
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A := -B;
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A := -B;
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C := 2#0.1000_0000_0000_0000_00#E-18;
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C := 2#0.1000_0000_0000_0000_00#E-18;
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D := B + C;
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D := B + C;
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E := A + B + C;
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E := A + B + C;
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IF IDENT(A) + IDENT(B) /= 0.0 THEN
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IF IDENT(A) + IDENT(B) /= 0.0 THEN
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FAILED("INCORRECT VALUE OF A + B");
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FAILED("INCORRECT VALUE OF A + B");
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END IF;
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END IF;
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IF IDENT(E) /= IDENT(C) THEN
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IF IDENT(E) /= IDENT(C) THEN
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FAILED("C DOES NOT EQUAL E");
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FAILED("C DOES NOT EQUAL E");
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END IF;
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END IF;
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RESULT;
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RESULT;
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END C45323A;
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END C45323A;
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