old-autovect-branch/gcc/testsuite/ada/acats/tests/c4/c46032a.ada

   1 -- C46032A.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 --     CHECK CONVERSIONS TO FIXED POINT TYPES WHEN THE OPERAND TYPE
  27 --     IS A FLOATING POINT TYPE OF 5 DIGITS PRECISION.
  28
  29 -- HISTORY:
  30 --     JET 07/11/88  CREATED ORIGINAL TEST.
  31
  32 WITH REPORT; USE REPORT;
  33 PROCEDURE C46032A IS
  34
  35      TYPE FIX1 IS DELTA 2#0.01# RANGE -16#20.0# .. 16#20.0#;
  36      TYPE FIX2 IS DELTA 2#0.0001# RANGE -16#80.0# .. 16#80.0#;
  37      TYPE FIX3 IS DELTA 2#0.000001# RANGE -16#200.0# .. 16#200.0#;
  38
  39      TYPE FLOAT5 IS DIGITS 5;
  40
  41      F5 : FLOAT5;
  42
  43      FUNCTION IDENT5 (X : FLOAT5) RETURN FLOAT5 IS
  44      BEGIN
  45           RETURN X * FLOAT5(IDENT_INT(1));
  46      END IDENT5;
  47
  48 BEGIN
  49      TEST ("C46032A", "CHECK CONVERSIONS TO FIXED POINT TYPES WHEN " &
  50                       "THE OPERAND TYPE IS A FLOATING POINT TYPE " &
  51                       "OF 5 DIGITS PRECISION");
  52
  53      F5 := IDENT5(2#0.1100_0000_0000_0000_00#E0);
  54      IF FIX1(F5) /= 16#0.C# THEN
  55           FAILED ("INCORRECT RESULT FROM CONVERSION (1)");
  56      END IF;
  57
  58      F5 := IDENT5(2#0.1111_1110_0000_0000_00#E5);
  59      IF FIX1(F5) /= 16#1F.C# THEN
  60           FAILED ("INCORRECT RESULT FROM CONVERSION (2)");
  61      END IF;
  62
  63      F5 := IDENT5(-2#0.1010_1010_1010_1010_10#E2);
  64      IF FIX1(F5) < -16#2.C# OR
  65         FIX1(F5) > -16#2.8# THEN
  66           FAILED ("INCORRECT RESULT FROM CONVERSION (3)");
  67      END IF;
  68
  69      F5 := IDENT5(2#0.1111_0000_0000_0000_00#E0);
  70      IF FIX2(F5) /= 16#0.F# THEN
  71           FAILED ("INCORRECT RESULT FROM CONVERSION (4)");
  72      END IF;
  73
  74      F5 := IDENT5(-2#0.1111_1110_0000_0000_00#E7);
  75      IF FIX2(F5) /= -16#7F.0# THEN
  76           FAILED ("INCORRECT RESULT FROM CONVERSION (5)");
  77      END IF;
  78
  79      F5 := IDENT5(2#0.1111_1111_1101_0000_00#E7);
  80      IF FIX2(F5) < 16#7F.E# OR
  81         FIX2(F5) > 16#7F.F# THEN
  82           FAILED ("INCORRECT RESULT FROM CONVERSION (6)");
  83      END IF;
  84
  85      F5 := IDENT5(2#0.1000_0000_0000_0000_00#E-5);
  86      IF FIX3(F5) /= 16#0.04# THEN
  87           FAILED ("INCORRECT RESULT FROM CONVERSION (7)");
  88      END IF;
  89
  90      F5 := -IDENT5(2#0.1010_1010_1010_1010_00#E9);
  91      IF FIX3(F5) /= -16#155.54# THEN
  92           FAILED ("INCORRECT RESULT FROM CONVERSION (8)");
  93      END IF;
  94
  95      F5 := IDENT5(2#0.1000_0000_0000_0010_11#E9);
  96      IF FIX3(F5) < 16#100.04# OR
  97         FIX3(F5) > 16#100.08# THEN
  98           FAILED ("INCORRECT RESULT FROM CONVERSION (9)");
  99      END IF;
 100
 101      RESULT;
 102
 103 END C46032A;