| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- S Y S T E M . D I M -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 2012-2021, Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- Defines the dimension terminology |
| |
| --------------------------- |
| -- Dimension Terminology -- |
| --------------------------- |
| |
| -- * Dimensioned type |
| |
| -- A dimensioned type is a type (more accurately a first subtype) to which |
| -- the aspect Dimension_System applies to. |
| |
| -- type Mks_Type is new Long_Long_Float |
| -- with |
| -- Dimension_System => ( |
| -- (Unit_Name => Meter, Unit_Symbol => 'm', Dim_Symbol => 'L'), |
| -- (Unit_Name => Kilogram, Unit_Symbol => "kg", Dim_Symbol => 'M'), |
| -- (Unit_Name => Second, Unit_Symbol => 's', Dim_Symbol => 'T'), |
| -- (Unit_Name => Ampere, Unit_Symbol => 'A', Dim_Symbol => 'I'), |
| -- (Unit_Name => Kelvin, Unit_Symbol => 'K', Dim_Symbol => "Θ"), |
| -- (Unit_Name => Mole, Unit_Symbol => "mol", Dim_Symbol => 'N'), |
| -- (Unit_Name => Candela, Unit_Symbol => "cd", Dim_Symbol => 'J')); |
| |
| -- * Dimensioned subtype |
| |
| -- A dimensioned subtype is a subtype directly defined from the dimensioned |
| -- type and to which the aspect Dimension applies to. |
| |
| -- subtype Length is Mks_Type |
| -- with |
| -- Dimension => (Symbol => 'm', |
| -- Meter => 1, |
| -- others => 0); |
| |
| package System.Dim is |
| pragma Pure; |
| |
| end System.Dim; |
