------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . D I M -- -- -- -- S p e c -- -- -- -- Copyright (C) 2012-2013, 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 -- -- . -- -- -- -- 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;