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1 149 jeremybenn
-- CA140232.AM
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--
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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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--
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-- OBJECTIVE:
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--      Check that a compilation unit may not depend semantically
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--      on two different versions of the same compilation unit.
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--      Check the case where a generic instantiation depends on
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--      a generic function that is changed.
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--
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-- TEST DESCRIPTION:
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--      This test compiles a generic function, a generic
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--      instantiation of the generic function, and a main
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--      procedure that withs the instantiated generic
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--      function.  Then, a new version of the first generic
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--      function is compiled (in a separate file, simulating
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--      editing and modification to the unit).  The test should
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--      link the correct version of the withed function and
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--      report "PASSED" at execution time.
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--
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--      Note that compilers are required by the standard to support
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--      replacement of a generic body without recompilation of the
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--      instantation. The ARG confirmed 10.1.4(10) with AI-00077.
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--
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--      To build this test:
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--         1) Compile the file CA140230 (and include the results in the
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--            program library).
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--         2) Compile the file CA140231 (and include the results in the
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--            program library).
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--         3) Compile the file CA140232 (and include the results in the
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--            program library).
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--         4) Compile the file CA140233 (and include the results in the
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--            program library).
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--         5) Build and run an executable image.
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--
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-- TEST FILES:
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--      This test consists of the following files:
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--         CA140230.A
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--         CA140231.A
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--      -> CA140232.AM
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--         CA140233.A
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--
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-- CHANGE HISTORY:
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--     01 MAY 95   ACVC 1.12   LA5008T baseline version
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--     29 JUN 95   SAIC        Initial version
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--     05 MAR 96   SAIC        First revision after review
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--     18 NOV 96   SAIC        Modified unit names and prologue to conform
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--                             to coding conventions.
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--     07 DEC 96   SAIC        Moved CA14023_1 to a separate file.
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--     13 SEP 99   RLB         Changed to C-test (by AI-00077).
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--     20 MAR 00   RLB         Removed special requirements, because there
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--                             aren't any.
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--
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--!
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with CA14023_0;
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use CA14023_0;
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generic
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     Min : Little_float := 0.0;
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     type Any_rec is new Data_rec with private;
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function CA14023_2 (R1, R2 : Any_rec) return Little_float;
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--------------------------------------------------------
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with CA14023_1;
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function CA14023_2 (R1, R2 : Any_rec) return Little_float is
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     function Max_val is new CA14023_1 (Little_float, Min);
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begin
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     return max_val (R1.Data, R2.Data);
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end CA14023_2;
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--------------------------------------------------------
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package CA14023_0.CA14023_3 is
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     type New_data_rec is new Data_rec with record
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          Other_val : integer := 100;
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     end record;
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end CA14023_0.CA14023_3;
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--------------------------------------------------------
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with Report; use Report;
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with CA14023_2;
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with CA14023_0;
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with CA14023_0.CA14023_3;
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procedure CA140232 is
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     NDR1, NDR2 : CA14023_0.CA14023_3.New_data_rec;
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     Min_value : constant CA14023_0.Little_float := 0.0;
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     TC_result : CA14023_0.Little_float;
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     function Max_Data_Val is new CA14023_2 (Min_value,
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                    CA14023_0.CA14023_3.New_data_rec);
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begin
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     Test ("CA14023", "Check that a compilation unit may not " &
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                      "depend semantically on two different " &
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                      "versions of the same compilation unit.  " &
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                      "Check the case where a generic " &
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                      "instantiation depends on a generic " &
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                      "function that is changed");
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     NDR1.Data := 2.0;
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     NDR2.Data := 5.0;
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     TC_result := Max_Data_Val (NDR1, NDR2);
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     if TC_result = 5.0 then
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          Failed ("Revised generic not used");
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     elsif TC_result /= 0.0 then               -- the minimum, floor
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          Failed ("Incorrect value returned"); -- value of 0.0 should
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     end if;                                   -- be returned rather
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                                               -- than the min of the
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                                               -- two actual parameters
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     Result;
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end CA140232;

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