gcc/testsuite/ada/acats/tests/c4/c45624a.ada

   1 -- C45624A.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 -- OBJECTIVE:
  26 --     FOR FLOATING POINT TYPES, CHECK THAT CONSTRAINT_ERROR
  27 --     IS RAISED IF THE RESULT OF A FLOATING POINT
  28 --     EXPONENTIATION IS OUTSIDE THE RANGE OF THE BASE TYPE AND
  29 --     MACHINE_OVERFLOWS IS FALSE.  THIS TESTS DIGITS 5.
  30
  31 -- *** NOTE: This test has been modified since ACVC version 1.11 to    -- 9X
  32 -- ***       remove incompatibilities associated with the transition   -- 9X
  33 -- ***       to Ada 9X.                                                -- 9X
  34 -- ***                                                                 -- 9X
  35
  36 -- HISTORY:
  37 --     BCB 02/09/88  CREATED ORIGINAL TEST.
  38 --     MRM 03/30/93  REMOVED NUMERIC_ERROR FOR 9X COMPATIBILITY
  39
  40 WITH REPORT; USE REPORT;
  41
  42 PROCEDURE C45624A IS
  43
  44      TYPE FLT IS DIGITS 5;
  45
  46      F : FLT;
  47
  48      FUNCTION EQUAL_FLT (ONE, TWO : FLT) RETURN BOOLEAN IS
  49      BEGIN
  50           IF EQUAL(3,3) THEN
  51                RETURN ONE = TWO;
  52           ELSE
  53                RETURN ONE /= TWO;
  54           END IF;
  55      END EQUAL_FLT;
  56
  57 BEGIN
  58      TEST ("C45624A", "FOR FLOATING POINT TYPES, CHECK THAT " &
  59                       "CONSTRAINT_ERROR IS RAISED " &
  60                       "IF MACHINE_OVERFLOWS IS FALSE.  THIS TESTS " &
  61                       "DIGITS 5");
  62
  63      IF FLT'MACHINE_OVERFLOWS THEN
  64           NOT_APPLICABLE ("THIS TEST IS NOT APPLICABLE DUE TO " &
  65                           "MACHINE_OVERFLOWS BEING TRUE");
  66      ELSE
  67           BEGIN
  68                F := FLT'BASE'FIRST**IDENT_INT (2);
  69                COMMENT ("CONSTRAINT_ERROR WAS NOT RAISED WHEN " &
  70                          "MACHINE_OVERFLOWS WAS FALSE");
  71
  72                IF EQUAL_FLT(F,F**IDENT_INT(1)) THEN
  73                     COMMENT ("DON'T OPTIMIZE F");
  74                END IF;
  75           EXCEPTION
  76                WHEN CONSTRAINT_ERROR =>
  77                     COMMENT ("CONSTRAINT_ERROR WAS RAISED WHEN " &
  78                              "MACHINE_OVERFLOWS WAS FALSE");
  79                WHEN OTHERS =>
  80                     FAILED ("AN EXCEPTION OTHER THAN CONSTRAINT_ERROR " &
  81                             "WAS RAISED");
  82           END;
  83      END IF;
  84
  85      RESULT;
  86 END C45624A;