63 lines
1.9 KiB
Ada
63 lines
1.9 KiB
Ada
-- Copyright 2004-2015 Free Software Foundation, Inc.
|
|
--
|
|
-- This program is free software; you can redistribute it and/or modify
|
|
-- it under the terms of the GNU General Public License as published by
|
|
-- the Free Software Foundation; either version 3 of the License, or
|
|
-- (at your option) any later version.
|
|
--
|
|
-- This program is distributed in the hope that it will be useful,
|
|
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
-- GNU General Public License for more details.
|
|
--
|
|
-- You should have received a copy of the GNU General Public License
|
|
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
with System;
|
|
|
|
procedure Fixed_Points is
|
|
|
|
------------
|
|
-- Test 1 --
|
|
------------
|
|
|
|
-- Fixed point subtypes
|
|
|
|
type Base_Fixed_Point_Type is
|
|
delta 1.0 / 16.0
|
|
range (System.Min_Int / 2) * 1.0 / 16.0 ..
|
|
(System.Max_Int / 2) * 1.0 / 16.0;
|
|
|
|
subtype Fixed_Point_Subtype is
|
|
Base_Fixed_Point_Type range -50.0 .. 50.0;
|
|
|
|
type New_Fixed_Point_Type is
|
|
new Base_Fixed_Point_Type range -50.0 .. 50.0;
|
|
|
|
Base_Object : Base_Fixed_Point_Type := -50.0;
|
|
Subtype_Object : Fixed_Point_Subtype := -50.0;
|
|
New_Type_Object : New_Fixed_Point_Type := -50.0;
|
|
|
|
|
|
------------
|
|
-- Test 2 --
|
|
------------
|
|
|
|
-- Overprecise delta
|
|
|
|
Overprecise_Delta : constant := 0.135791357913579;
|
|
-- delta whose significant figures cannot be stored into a long.
|
|
|
|
type Overprecise_Fixed_Point is
|
|
delta Overprecise_Delta range 0.0 .. 200.0;
|
|
for Overprecise_Fixed_Point'Small use Overprecise_Delta;
|
|
|
|
Overprecise_Object : Overprecise_Fixed_Point :=
|
|
Overprecise_Fixed_Point'Small;
|
|
|
|
begin
|
|
Base_Object := 1.0/16.0; -- Set breakpoint here
|
|
Subtype_Object := 1.0/16.0;
|
|
New_Type_Object := 1.0/16.0;
|
|
Overprecise_Object := Overprecise_Fixed_Point'Small * 2;
|
|
end Fixed_Points;
|