1 |
706 |
jeremybenn |
------------------------------------------------------------------------------
|
2 |
|
|
-- --
|
3 |
|
|
-- GNAT RUN-TIME COMPONENTS --
|
4 |
|
|
-- --
|
5 |
|
|
-- S Y S T E M . D I M --
|
6 |
|
|
-- --
|
7 |
|
|
-- S p e c --
|
8 |
|
|
-- --
|
9 |
|
|
-- Copyright (C) 2012, Free Software Foundation, Inc. --
|
10 |
|
|
-- --
|
11 |
|
|
-- GNAT is free software; you can redistribute it and/or modify it under --
|
12 |
|
|
-- terms of the GNU General Public License as published by the Free Soft- --
|
13 |
|
|
-- ware Foundation; either version 3, or (at your option) any later ver- --
|
14 |
|
|
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
|
15 |
|
|
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
16 |
|
|
-- or FITNESS FOR A PARTICULAR PURPOSE. --
|
17 |
|
|
-- --
|
18 |
|
|
-- As a special exception under Section 7 of GPL version 3, you are granted --
|
19 |
|
|
-- additional permissions described in the GCC Runtime Library Exception, --
|
20 |
|
|
-- version 3.1, as published by the Free Software Foundation. --
|
21 |
|
|
-- --
|
22 |
|
|
-- You should have received a copy of the GNU General Public License and --
|
23 |
|
|
-- a copy of the GCC Runtime Library Exception along with this program; --
|
24 |
|
|
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
25 |
|
|
-- <http://www.gnu.org/licenses/>. --
|
26 |
|
|
-- --
|
27 |
|
|
-- GNAT was originally developed by the GNAT team at New York University. --
|
28 |
|
|
-- Extensive contributions were provided by Ada Core Technologies Inc. --
|
29 |
|
|
-- --
|
30 |
|
|
------------------------------------------------------------------------------
|
31 |
|
|
|
32 |
|
|
-- Defines the dimension terminology
|
33 |
|
|
|
34 |
|
|
---------------------------
|
35 |
|
|
-- Dimension Terminology --
|
36 |
|
|
---------------------------
|
37 |
|
|
|
38 |
|
|
-- * Dimensioned type
|
39 |
|
|
|
40 |
|
|
-- A dimensioned type is a type (more accurately a first subtype) to which
|
41 |
|
|
-- the aspect Dimension_System applies to.
|
42 |
|
|
|
43 |
|
|
-- type Mks_Type is new Long_Long_Float
|
44 |
|
|
-- with
|
45 |
|
|
-- Dimension_System => ((Meter, 'm'),
|
46 |
|
|
-- (Kilogram, "kg"),
|
47 |
|
|
-- (Second, 's'),
|
48 |
|
|
-- (Ampere, 'A'),
|
49 |
|
|
-- (Kelvin, 'K'),
|
50 |
|
|
-- (Mole, "mol"),
|
51 |
|
|
-- (Candela, "cd"));
|
52 |
|
|
|
53 |
|
|
-- 'm' is the symbolic name of dimension Meter
|
54 |
|
|
|
55 |
|
|
-- * Dimensioned subtype
|
56 |
|
|
|
57 |
|
|
-- A dimensioned subtype is a subtype directly defined from the dimensioned
|
58 |
|
|
-- type and to which the aspect Dimension applies to.
|
59 |
|
|
|
60 |
|
|
-- subtype Length is Mks_Type
|
61 |
|
|
-- with
|
62 |
|
|
-- Dimension => ('m',
|
63 |
|
|
-- Meter => 1,
|
64 |
|
|
-- others => 0);
|
65 |
|
|
|
66 |
|
|
-- 'm' is the symbolic name of dimensioned subtype Length
|
67 |
|
|
|
68 |
|
|
package System.Dim is
|
69 |
|
|
pragma Pure;
|
70 |
|
|
|
71 |
|
|
end System.Dim;
|