old-autovect-branch/gcc/testsuite/ada/acats/tests/c4/c45253a.ada

   1 -- C45253A.ADA
   2
   3 --                             Grant of Unlimited Rights
   4 --
   5 --     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
   6 --     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
   7 --     unlimited rights in the software and documentation contained herein.
   8 --     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
   9 --     this public release, the Government intends to confer upon all
  10 --     recipients unlimited rights  equal to those held by the Government.
  11 --     These rights include rights to use, duplicate, release or disclose the
  12 --     released technical data and computer software in whole or in part, in
  13 --     any manner and for any purpose whatsoever, and to have or permit others
  14 --     to do so.
  15 --
  16 --                                    DISCLAIMER
  17 --
  18 --     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
  19 --     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
  20 --     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
  21 --     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
  22 --     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
  23 --     PARTICULAR PURPOSE OF SAID MATERIAL.
  24 --*
  25 -- CHECK THAT FOR FIXED POINT TYPES "A IN T" AND "A NOT IN T" GIVE
  26 -- APPROPRIATE RESULTS, EVEN WHEN USER-DEFINED ORDERING OPERATORS EXIST
  27 -- FOR T.
  28
  29 -- WRG 8/27/86
  30 -- JRL 06/12/96  Added function The_Delta. Eliminated static expressions
  31 --               outside the base range of type T.
  32
  33 WITH REPORT; USE REPORT;
  34 PROCEDURE C45253A IS
  35
  36      TYPE FIXED IS DELTA 0.25 RANGE 0.0 .. 1000.0;
  37      TYPE T IS NEW FIXED;
  38
  39      FUNCTION "<" (LEFT, RIGHT : T) RETURN BOOLEAN IS
  40      BEGIN
  41           RETURN FIXED (LEFT) >= FIXED (RIGHT);
  42      END "<";
  43
  44      FUNCTION "<=" (LEFT, RIGHT : T) RETURN BOOLEAN IS
  45      BEGIN
  46           RETURN FIXED (LEFT) > FIXED (RIGHT);
  47      END "<=";
  48
  49      FUNCTION ">" (LEFT, RIGHT : T) RETURN BOOLEAN IS
  50      BEGIN
  51           RETURN FIXED (LEFT) <= FIXED (RIGHT);
  52      END ">";
  53
  54      FUNCTION ">=" (LEFT, RIGHT : T) RETURN BOOLEAN IS
  55      BEGIN
  56           RETURN FIXED (LEFT) < FIXED (RIGHT);
  57      END ">=";
  58
  59      function The_Delta return T is
  60      begin
  61         return T'Delta;
  62      end The_Delta;
  63
  64 BEGIN
  65
  66      TEST ("C45253A", "CHECK THAT FOR FIXED POINT TYPES ""A IN T"" " &
  67                       "AND ""A NOT IN T"" GIVE APPROPRIATE RESULTS, " &
  68                       "EVEN WHEN USER-DEFINED ORDERING OPERATORS " &
  69                       "EXIST FOR T");
  70
  71      IF IDENT_INT (1) * 0.0 NOT IN T THEN
  72           FAILED ("0.0 NOT IN T");
  73      END IF;
  74
  75 -- 06/12/96      IF IDENT_INT (1) * 1000.0 NOT IN T THEN
  76      if Ident_Int (2) * 500.0 not in T then
  77           FAILED ("1000.0 NOT IN T");
  78      END IF;
  79
  80 -- 06/12/96      IF IDENT_INT (1) * (-0.25) IN T THEN
  81      if Ident_Int (1) * (-The_Delta) in T then
  82           FAILED ("-0.25 IN T");
  83      END IF;
  84
  85 -- 06/12/96      IF IDENT_INT (1) * 1000.25 IN T THEN
  86      if Ident_Int (2) * 500.0 + The_Delta in T then
  87           FAILED ("1000.25 IN T");
  88      END IF;
  89
  90 -- 06/12/96      IF IDENT_INT (1) * (-1000.0) IN T THEN
  91      if Ident_Int (2) * (-500.0) in T then
  92           FAILED ("-1000.0 IN T");
  93      END IF;
  94
  95      RESULT;
  96
  97 END C45253A;