| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- S Y S T E M . D I M . M K S -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 2011-2013, 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 -- |
| -- <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 MKS dimension system which is the SI system of units |
| |
| -- Some other prefixes of this system are defined in a child package (see |
| -- System.Dim_Mks.Other_Prefixes) in order to avoid too many constant |
| -- declarations in this package. |
| |
| -- The dimension terminology is defined in System.Dim_IO package |
| |
| with Ada.Numerics; |
| |
| package System.Dim.Mks is |
| |
| e : constant := Ada.Numerics.e; |
| Pi : constant := Ada.Numerics.Pi; |
| |
| -- Dimensioned type Mks_Type |
| |
| 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 => '@'), |
| (Unit_Name => Mole, Unit_Symbol => "mol", Dim_Symbol => 'N'), |
| (Unit_Name => Candela, Unit_Symbol => "cd", Dim_Symbol => 'J')); |
| |
| -- SI Base dimensioned subtypes |
| |
| subtype Length is Mks_Type |
| with |
| Dimension => (Symbol => 'm', |
| Meter => 1, |
| others => 0); |
| |
| subtype Mass is Mks_Type |
| with |
| Dimension => (Symbol => "kg", |
| Kilogram => 1, |
| others => 0); |
| |
| subtype Time is Mks_Type |
| with |
| Dimension => (Symbol => 's', |
| Second => 1, |
| others => 0); |
| |
| subtype Electric_Current is Mks_Type |
| with |
| Dimension => (Symbol => 'A', |
| Ampere => 1, |
| others => 0); |
| |
| subtype Thermodynamic_Temperature is Mks_Type |
| with |
| Dimension => (Symbol => 'K', |
| Kelvin => 1, |
| others => 0); |
| |
| subtype Amount_Of_Substance is Mks_Type |
| with |
| Dimension => (Symbol => "mol", |
| Mole => 1, |
| others => 0); |
| |
| subtype Luminous_Intensity is Mks_Type |
| with |
| Dimension => (Symbol => "cd", |
| Candela => 1, |
| others => 0); |
| |
| -- Initialize SI Base unit values |
| |
| -- Turn off the all the dimension warnings for these basic assignments |
| -- since otherwise we would get complaints about assigning dimensionless |
| -- values to dimensioned subtypes (we can't assign 1.0*m to m). |
| |
| pragma Warnings (Off, "*assumed to be*"); |
| |
| m : constant Length := 1.0; |
| kg : constant Mass := 1.0; |
| s : constant Time := 1.0; |
| A : constant Electric_Current := 1.0; |
| K : constant Thermodynamic_Temperature := 1.0; |
| mol : constant Amount_Of_Substance := 1.0; |
| cd : constant Luminous_Intensity := 1.0; |
| |
| pragma Warnings (On, "*assumed to be*"); |
| |
| -- SI Derived dimensioned subtypes |
| |
| subtype Absorbed_Dose is Mks_Type |
| with |
| Dimension => (Symbol => "Gy", |
| Meter => 2, |
| Second => -2, |
| others => 0); |
| |
| subtype Angle is Mks_Type |
| with |
| Dimension => (Symbol => "rad", |
| others => 0); |
| |
| subtype Area is Mks_Type |
| with |
| Dimension => ( |
| Meter => 2, |
| others => 0); |
| |
| subtype Catalytic_Activity is Mks_Type |
| with |
| Dimension => (Symbol => "kat", |
| Second => -1, |
| Mole => 1, |
| others => 0); |
| |
| subtype Celsius_Temperature is Mks_Type |
| with |
| Dimension => (Symbol => "°C", |
| Kelvin => 1, |
| others => 0); |
| |
| subtype Electric_Capacitance is Mks_Type |
| with |
| Dimension => (Symbol => 'F', |
| Meter => -2, |
| Kilogram => -1, |
| Second => 4, |
| Ampere => 2, |
| others => 0); |
| |
| subtype Electric_Charge is Mks_Type |
| with |
| Dimension => (Symbol => 'C', |
| Second => 1, |
| Ampere => 1, |
| others => 0); |
| |
| subtype Electric_Conductance is Mks_Type |
| with |
| Dimension => (Symbol => 'S', |
| Meter => -2, |
| Kilogram => -1, |
| Second => 3, |
| Ampere => 2, |
| others => 0); |
| |
| subtype Electric_Potential_Difference is Mks_Type |
| with |
| Dimension => (Symbol => 'V', |
| Meter => 2, |
| Kilogram => 1, |
| Second => -3, |
| Ampere => -1, |
| others => 0); |
| |
| subtype Electric_Resistance is Mks_Type |
| with |
| Dimension => (Symbol => "Ω", |
| Meter => 2, |
| Kilogram => 1, |
| Second => -3, |
| Ampere => -2, |
| others => 0); |
| |
| subtype Energy is Mks_Type |
| with |
| Dimension => (Symbol => 'J', |
| Meter => 2, |
| Kilogram => 1, |
| Second => -2, |
| others => 0); |
| |
| subtype Equivalent_Dose is Mks_Type |
| with |
| Dimension => (Symbol => "Sv", |
| Meter => 2, |
| Second => -2, |
| others => 0); |
| |
| subtype Force is Mks_Type |
| with |
| Dimension => (Symbol => 'N', |
| Meter => 1, |
| Kilogram => 1, |
| Second => -2, |
| others => 0); |
| |
| subtype Frequency is Mks_Type |
| with |
| Dimension => (Symbol => "Hz", |
| Second => -1, |
| others => 0); |
| |
| subtype Illuminance is Mks_Type |
| with |
| Dimension => (Symbol => "lx", |
| Meter => -2, |
| Candela => 1, |
| others => 0); |
| |
| subtype Inductance is Mks_Type |
| with |
| Dimension => (Symbol => 'H', |
| Meter => 2, |
| Kilogram => 1, |
| Second => -2, |
| Ampere => -2, |
| others => 0); |
| |
| subtype Luminous_Flux is Mks_Type |
| with |
| Dimension => (Symbol => "lm", |
| Candela => 1, |
| others => 0); |
| |
| subtype Magnetic_Flux is Mks_Type |
| with |
| Dimension => (Symbol => "Wb", |
| Meter => 2, |
| Kilogram => 1, |
| Second => -2, |
| Ampere => -1, |
| others => 0); |
| |
| subtype Magnetic_Flux_Density is Mks_Type |
| with |
| Dimension => (Symbol => 'T', |
| Kilogram => 1, |
| Second => -2, |
| Ampere => -1, |
| others => 0); |
| |
| subtype Power is Mks_Type |
| with |
| Dimension => (Symbol => 'W', |
| Meter => 2, |
| Kilogram => 1, |
| Second => -3, |
| others => 0); |
| |
| subtype Pressure is Mks_Type |
| with |
| Dimension => (Symbol => "Pa", |
| Meter => -1, |
| Kilogram => 1, |
| Second => -2, |
| others => 0); |
| |
| subtype Radioactivity is Mks_Type |
| with |
| Dimension => (Symbol => "Bq", |
| Second => -1, |
| others => 0); |
| |
| subtype Solid_Angle is Mks_Type |
| with |
| Dimension => (Symbol => "sr", |
| others => 0); |
| |
| subtype Speed is Mks_Type |
| with |
| Dimension => ( |
| Meter => 1, |
| Second => -1, |
| others => 0); |
| |
| subtype Volume is Mks_Type |
| with |
| Dimension => ( |
| Meter => 3, |
| others => 0); |
| |
| -- Initialize derived dimension values |
| |
| -- Turn off the all the dimension warnings for these basic assignments |
| -- since otherwise we would get complaints about assigning dimensionless |
| -- values to dimensioned subtypes. |
| |
| pragma Warnings (Off, "*assumed to be*"); |
| |
| rad : constant Angle := 1.0; |
| sr : constant Solid_Angle := 1.0; |
| Hz : constant Frequency := 1.0; |
| N : constant Force := 1.0; |
| Pa : constant Pressure := 1.0; |
| J : constant Energy := 1.0; |
| W : constant Power := 1.0; |
| C : constant Electric_Charge := 1.0; |
| V : constant Electric_Potential_Difference := 1.0; |
| F : constant Electric_Capacitance := 1.0; |
| Ohm : constant Electric_Resistance := 1.0; |
| Si : constant Electric_Conductance := 1.0; |
| Wb : constant Magnetic_Flux := 1.0; |
| T : constant Magnetic_Flux_Density := 1.0; |
| H : constant Inductance := 1.0; |
| dC : constant Celsius_Temperature := 273.15; |
| lm : constant Luminous_Flux := 1.0; |
| lx : constant Illuminance := 1.0; |
| Bq : constant Radioactivity := 1.0; |
| Gy : constant Absorbed_Dose := 1.0; |
| Sv : constant Equivalent_Dose := 1.0; |
| kat : constant Catalytic_Activity := 1.0; |
| |
| -- SI prefixes for Meter |
| |
| um : constant Length := 1.0E-06; -- micro (u) |
| mm : constant Length := 1.0E-03; -- milli |
| cm : constant Length := 1.0E-02; -- centi |
| dm : constant Length := 1.0E-01; -- deci |
| dam : constant Length := 1.0E+01; -- deka |
| hm : constant Length := 1.0E+02; -- hecto |
| km : constant Length := 1.0E+03; -- kilo |
| Mem : constant Length := 1.0E+06; -- mega |
| |
| -- SI prefixes for Kilogram |
| |
| ug : constant Mass := 1.0E-09; -- micro (u) |
| mg : constant Mass := 1.0E-06; -- milli |
| cg : constant Mass := 1.0E-05; -- centi |
| dg : constant Mass := 1.0E-04; -- deci |
| g : constant Mass := 1.0E-03; -- gram |
| dag : constant Mass := 1.0E-02; -- deka |
| hg : constant Mass := 1.0E-01; -- hecto |
| Meg : constant Mass := 1.0E+03; -- mega |
| |
| -- SI prefixes for Second |
| |
| us : constant Time := 1.0E-06; -- micro (u) |
| ms : constant Time := 1.0E-03; -- milli |
| cs : constant Time := 1.0E-02; -- centi |
| ds : constant Time := 1.0E-01; -- deci |
| das : constant Time := 1.0E+01; -- deka |
| hs : constant Time := 1.0E+02; -- hecto |
| ks : constant Time := 1.0E+03; -- kilo |
| Mes : constant Time := 1.0E+06; -- mega |
| |
| -- Other constants for Second |
| |
| min : constant Time := 60.0 * s; |
| hour : constant Time := 60.0 * min; |
| day : constant Time := 24.0 * hour; |
| year : constant Time := 365.25 * day; |
| |
| -- SI prefixes for Ampere |
| |
| mA : constant Electric_Current := 1.0E-03; -- milli |
| cA : constant Electric_Current := 1.0E-02; -- centi |
| dA : constant Electric_Current := 1.0E-01; -- deci |
| daA : constant Electric_Current := 1.0E+01; -- deka |
| hA : constant Electric_Current := 1.0E+02; -- hecto |
| kA : constant Electric_Current := 1.0E+03; -- kilo |
| MeA : constant Electric_Current := 1.0E+06; -- mega |
| |
| pragma Warnings (On, "*assumed to be*"); |
| end System.Dim.Mks; |
