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    /*
 * International System of Units (SI)
 * Copyright (c) 2005-2025, Jean-Marie Dautelle, Werner Keil and others.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
 *    and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of SI System, Units of Measurement nor the names of their contributors may be used to
 *    endorse or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package si.uom;

import static javax.measure.MetricPrefix.CENTI;
import static javax.measure.MetricPrefix.MEGA;
import static si.uom.SI.AVOGADRO_CONSTANT_VALUE;
import static si.uom.SI.ELEMENTARY_CHARGE_VALUE;
import static tech.units.indriya.AbstractUnit.ONE;
import static tech.units.indriya.unit.Units.BECQUEREL;
import static tech.units.indriya.unit.Units.DAY;
import static tech.units.indriya.unit.Units.COULOMB;
import static tech.units.indriya.unit.Units.JOULE;
import static tech.units.indriya.unit.Units.GRAM;
import static tech.units.indriya.unit.Units.KILOGRAM;
import static tech.units.indriya.unit.Units.METRE;
import static tech.units.indriya.unit.Units.METRE_PER_SECOND;
import static tech.units.indriya.unit.Units.MOLE;
import static tech.units.indriya.unit.Units.PASCAL;
import static tech.units.indriya.unit.Units.RADIAN;
import static tech.units.indriya.unit.Units.SECOND;
import static tech.units.indriya.unit.Units.SIEVERT;
import static tech.units.indriya.unit.Units.STERADIAN;
import static tech.units.indriya.unit.Units.SQUARE_METRE;

import javax.measure.Unit;
import javax.measure.quantity.AmountOfSubstance;
import javax.measure.quantity.Angle;
import javax.measure.quantity.Area;
import javax.measure.quantity.Dimensionless;
import javax.measure.quantity.ElectricCharge;
import javax.measure.quantity.Energy;
import javax.measure.quantity.Frequency;
import javax.measure.quantity.Length;
import javax.measure.quantity.Mass;
import javax.measure.quantity.Pressure;
import javax.measure.quantity.RadiationDoseEffective;
import javax.measure.quantity.Radioactivity;
import javax.measure.quantity.SolidAngle;
import javax.measure.quantity.Speed;
import javax.measure.quantity.Time;

import si.uom.quantity.DynamicViscosity;
import si.uom.quantity.IonizingRadiation;
import si.uom.quantity.KinematicViscosity;
import si.uom.quantity.Level;
import tech.units.indriya.AbstractSystemOfUnits;
import tech.units.indriya.AbstractUnit;
import tech.units.indriya.format.EBNFUnitFormat;
import tech.units.indriya.format.SimpleUnitFormat;
import tech.units.indriya.function.AbstractConverter;
import tech.units.indriya.function.LogConverter;
import tech.units.indriya.function.MultiplyConverter;
import tech.units.indriya.unit.TransformedUnit;

/**
 * 
    
 * This class contains units that are not part of the International System of
 * Units, that is, they are outside the SI, but some are still widely used.
 * 
    
 * 
 * @noextend This class is not intended to be extended by clients.
 *  
 * @author Jean-Marie Dautelle
 * @author Werner Keil
 * @version 2.2.3, March 19, 2025
 * @see Wikipedia:
 *      Non-SI units mentioned in the SI
 */
public final class NonSI extends AbstractSystemOfUnits {
    private static final String SYSTEM_NAME = "Non-SI Units";

    private static final NonSI INSTANCE = new NonSI();
    
    /////////////////////////////////////////////////////////////////
    // Units outside the SI that are accepted for use with the SI. //
    /////////////////////////////////////////////////////////////////

    ///////////////////
    // Dimensionless //
    ///////////////////
    /**
     * A dimensionless unit equals to pi (standard name
     * π).
     * @deprecated Not supported with the SI anymore, will be moved to another module into ObsoleteUnits or similar 
     */
    public static final Unit PI = addUnit(ONE.multiply(StrictMath.PI), "Pi", "pi");
 
    
    /**
     * An angle unit accepted for use with SI units (standard name
     * deg).
     */
    public static final Unit DEGREE_ANGLE = addUnit(
            new TransformedUnit(RADIAN, MultiplyConverter.ofPiExponent(1).concatenate(MultiplyConverter.ofRational(1, 180))),
            "Degree Angle", "deg");

    /**
     * An angle unit accepted for use with SI units (standard name ').
     */
    public static final Unit MINUTE_ANGLE = addUnit(new TransformedUnit(RADIAN,
            MultiplyConverter.ofPiExponent(1).concatenate(MultiplyConverter.ofRational(1, 180 * 60))), "Minute Angle", "'");

    /**
     * An angle unit accepted for use with SI units (standard name '').
     */
    public static final Unit SECOND_ANGLE = addUnit(
            new TransformedUnit(RADIAN,
                    MultiplyConverter.ofPiExponent(1).concatenate(MultiplyConverter.ofRational(1, 180 * 60 * 60))),
            "Second Angle", "''");

    /**
     * An energy unit accepted for use with SI units (standard name
     * eV). The electronvolt is the kinetic energy acquired by an
     * electron passing through a potential difference of 1 V in vacuum. The value
     * must be obtained by experiment, and is therefore not known exactly.
     */
    public static final Unit ELECTRON_VOLT = addUnit(
            new TransformedUnit(JOULE, MultiplyConverter.of(1.602176487E-19)), "Electron Volt", "eV");
    // CODATA 2006 - http://physics.nist.gov/cuu/Constants/codata.pdf

    /**
	 * A mass unit accepted for use with SI units (standard name u).
	 * The unified atomic mass unit is equal to 1/12 of the mass of an unbound atom
	 * of the nuclide 12C, at rest and in its ground state. The value must be
	 * obtained by experiment, and is therefore not known exactly.
	 */
	public static final Unit UNIFIED_ATOMIC_MASS = addUnit(
			new TransformedUnit(KILOGRAM, MultiplyConverter.of(1.660538782E-27)), "Unified atomic mass", "u",
			true);
	// CODATA 2006 - http://physics.nist.gov/cuu/Constants/codata.pdf

    /**
     * The dalton (Da) and the unified atomic mass unit (u) are alternative names (and symbols) for the same unit, 
     * equal to 1/12 times the mass of a free carbon 12 atom, at rest and in its ground state. 
     * The dalton is often combined with SI prefixes, for example to express the masses of large molecules in kilodaltons, kDa, or megadaltons, MDa, 
     * or to express the values of small mass differences of atoms or molecules in nanodaltons, nDa, or even picodaltons, pDa.
     */
    public static final Unit DALTON = addUnit(
            new TransformedUnit(UNIFIED_ATOMIC_MASS, AbstractConverter.IDENTITY), "Dalton", "Da");
    
    /**
     * A length unit accepted for use with SI units (standard name UA).
     * The astronomical unit is a unit of length. Its value is such that, when used
     * to describe the motion of bodies in the solar system, the heliocentric
     * gravitation constant is (0.017 202 098 95)2 ua3·d-2. The value must be
     * obtained by experiment, and is therefore not known exactly.
     * 
     * Originally conceived as the average of Earth's aphelion and perihelion, 
	 * since 2012 it has been defined as exactly 149,597,870,700 metres, 
	 * or about 150 million kilometres (93 million miles).
	 * 
	 * @see  Wikipedia: Astronomical unit 
     */
    public static final Unit ASTRONOMICAL_UNIT = addUnit(
            new TransformedUnit(METRE, MultiplyConverter.of(149597871000.0)), "Astronomical Unit", "UA");

    ////////////
    // Area   //
    ////////////

    /**
     * An angle unit accepted for use with SI units (standard name ha).
     */
    public static final Unit HECTARE = addUnit(
            new TransformedUnit(SQUARE_METRE, MultiplyConverter.ofRational(10000, 1)), "Hectare", "ha");

    /////////////////////////
    // Amount of substance //
    /////////////////////////
    /**
     * A unit of amount of substance equals to one atom (standard name
     * atom).
     */
    public static final Unit ATOM = addUnit(MOLE.divide(AVOGADRO_CONSTANT_VALUE),
    		"Atom", "atom");

    ////////////
    // Length //
    ////////////

    /**
     * A unit of length equal to 1E-10 m (standard name
     * Å).
     * 
     * @see  Wikipedia:
     *      Ångström
     * @deprecated Not supported with the SI anymore, will be moved to another module into ObsoleteUnits or similar      
     */
    public static final Unit ANGSTROM = addUnit(METRE.divide(10000000000L), "\u00C5ngstr\u00F6m", "\u00C5");

    /**
     * A unit of length equal to the distance that light travels in one year through
     * a vacuum (standard name ly).
     * @deprecated Not supported with the SI anymore, will be moved to another module into ObsoleteUnits or similar 
     */
    public static final Unit LIGHT_YEAR = addUnit(METRE.multiply(9.460528405e15), "Light year", "ly");

    /**
     * A unit of length equal to the distance at which a star would appear to shift
     * its position by one arcsecond over the course the time (about 3 months) in
     * which the Earth moves a distance of {@link #ASTRONOMICAL_UNIT} in the
     * direction perpendicular to the direction to the star (standard name
     * pc).
     * 
     * @deprecated Not supported with the SI anymore, will be moved to another module into ObsoleteUnits or similar
     */
    public static final Unit PARSEC = addUnit(METRE.multiply(30856770e9), "Parsec", "pc");

    /**
     * A unit of length equal to 1852.0 m (standard name
     * nmi).
     * @deprecated Not supported with the SI anymore, will be moved to another module into ObsoleteUnits or similar
     */
    public static final Unit NAUTICAL_MILE = addUnit(METRE.multiply(1852), "Nautical mile", "nmi");
    
	/**
	 * The Bohr radius (a0 or rBohr) is a physical constant, approximately equal to the most probable distance between the nucleus and the electron in a hydrogen atom in its ground state.
	 * It is named after Niels Bohr, due to its role in the Bohr model of an atom. Its value is 5.2917721067(12)×10−11 m.
	 * 
     * @see  Wikipedia: Niels Bohr
     * @deprecated Not supported with the SI anymore, will be moved to another module into ObsoleteUnits or similar
	 */
	public static final Unit BOHR_RADIUS = addUnit(METRE.multiply(5.291772106712E-11), "Bohr Radius", "a0");

    ////////////
    // Time   //
    ////////////

    /**
     * A unit of duration equal to the time required for a complete rotation of the
     * earth in reference to any star or to the vernal equinox at the meridian,
     * equal to 23 hours, 56 minutes, 4.09 seconds (standard name
     * day_sidereal).
     * @deprecated Not supported with the SI anymore, will be moved to another module into ObsoleteUnits or similar 
     */
    public static final Unit




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