1------------------------------------------------------------------------------ 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) 2012-2013, 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 => ( 46-- (Unit_Name => Meter, Unit_Symbol => 'm', Dim_Symbol => 'L'), 47-- (Unit_Name => Kilogram, Unit_Symbol => "kg", Dim_Symbol => 'M'), 48-- (Unit_Name => Second, Unit_Symbol => 's', Dim_Symbol => 'T'), 49-- (Unit_Name => Ampere, Unit_Symbol => 'A', Dim_Symbol => 'I'), 50-- (Unit_Name => Kelvin, Unit_Symbol => 'K', Dim_Symbol => "��"), 51-- (Unit_Name => Mole, Unit_Symbol => "mol", Dim_Symbol => 'N'), 52-- (Unit_Name => Candela, Unit_Symbol => "cd", Dim_Symbol => 'J')); 53 54-- * Dimensioned subtype 55 56-- A dimensioned subtype is a subtype directly defined from the dimensioned 57-- type and to which the aspect Dimension applies to. 58 59-- subtype Length is Mks_Type 60-- with 61-- Dimension => (Symbol => 'm', 62-- Meter => 1, 63-- others => 0); 64 65package System.Dim is 66 pragma Pure; 67 68end System.Dim; 69