-- FC51D00.A
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-- FC51D00.A
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--
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--
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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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--
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--
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-- FOUNDATION DESCRIPTION:
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-- FOUNDATION DESCRIPTION:
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-- This foundation defines a generic list abstraction. List elements can
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-- This foundation defines a generic list abstraction. List elements can
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-- be of any (nonlimited) type. Lists are implemented as arrays of
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-- be of any (nonlimited) type. Lists are implemented as arrays of
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-- pointers and are only two elements in length.
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-- pointers and are only two elements in length.
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--
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--
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-- CHANGE HISTORY:
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-- CHANGE HISTORY:
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-- 06 Dec 94 SAIC ACVC 2.0
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-- 06 Dec 94 SAIC ACVC 2.0
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--
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--
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--!
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--!
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generic
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generic
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type Element_Type (<>) is private;
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type Element_Type (<>) is private;
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package FC51D00 is -- This package simulates a generic list abstraction.
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package FC51D00 is -- This package simulates a generic list abstraction.
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-- The definition of List_Type below is purely artificial; its validity
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-- The definition of List_Type below is purely artificial; its validity
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-- in the context of the abstraction is irrelevant to the feature being
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-- in the context of the abstraction is irrelevant to the feature being
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-- tested.
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-- tested.
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type Element_Ptr is access Element_Type;
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type Element_Ptr is access Element_Type;
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subtype List_Size is Natural range 1 .. 2;
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subtype List_Size is Natural range 1 .. 2;
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type List_Type is array (List_Size) of Element_Ptr;
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type List_Type is array (List_Size) of Element_Ptr;
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function View_Element (I : List_Size; L : List_Type) return Element_Type;
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function View_Element (I : List_Size; L : List_Type) return Element_Type;
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procedure Write_Element (I : in List_Size;
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procedure Write_Element (I : in List_Size;
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L : in out List_Type;
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L : in out List_Type;
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E : in Element_Type);
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E : in Element_Type);
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-- ... Other list operations for Element_Type.
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-- ... Other list operations for Element_Type.
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end FC51D00;
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end FC51D00;
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--==================================================================--
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--==================================================================--
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package body FC51D00 is
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package body FC51D00 is
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-- The implementations of the operations below are purely artificial; the
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-- The implementations of the operations below are purely artificial; the
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-- validity of their implementations in the context of the abstraction is
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-- validity of their implementations in the context of the abstraction is
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-- irrelevant to the feature being tested.
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-- irrelevant to the feature being tested.
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function View_Element (I : List_Size; L : List_Type) return Element_Type is
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function View_Element (I : List_Size; L : List_Type) return Element_Type is
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begin
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begin
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return L(I).all;
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return L(I).all;
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end View_Element;
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end View_Element;
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procedure Write_Element (I : in List_Size;
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procedure Write_Element (I : in List_Size;
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L : in out List_Type;
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L : in out List_Type;
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E : in Element_Type) is
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E : in Element_Type) is
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begin
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begin
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L(I) := new Element_Type'(E);
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L(I) := new Element_Type'(E);
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end Write_Element;
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end Write_Element;
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end FC51D00;
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end FC51D00;
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