Merge branch 'develop' into feature-settings-tab

1 files changed, 0 insertions, 434 deletions

diff --git a/src/org/unitConverter/unit/SI.java b/src/org/unitConverter/unit/SI.java
deleted file mode 100644
index f36cf28..0000000
--- a/src/org/unitConverter/unit/SI.java
+++ /dev/null
@@ -1,434 +0,0 @@
-/**

- * Copyright (C) 2018 Adrien Hopkins

- *

- * This program is free software: you can redistribute it and/or modify

- * it under the terms of the GNU Affero General Public License as published by

- * the Free Software Foundation, either version 3 of the License, or

- * (at your option) any later version.

- *

- * This program is distributed in the hope that it will be useful,

- * but WITHOUT ANY WARRANTY; without even the implied warranty of

- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

- * GNU Affero General Public License for more details.

- *

- * You should have received a copy of the GNU Affero General Public License

- * along with this program.  If not, see <https://www.gnu.org/licenses/>.

- */

-package org.unitConverter.unit;

-

-import java.util.Arrays;

-import java.util.Collections;

-import java.util.HashSet;

-import java.util.Set;

-

-import org.unitConverter.math.ObjectProduct;

-

-/**

- * All of the units, prefixes and dimensions that are used by the SI, as well as

- * some outside the SI.

- * 

- * <p>

- * This class does not include prefixed units. To obtain prefixed units, use

- * {@link LinearUnit#withPrefix}:

- * 

- * <pre>

- * LinearUnit KILOMETRE = SI.METRE.withPrefix(SI.KILO);

- * </pre>

- * 

- * 

- * @author Adrien Hopkins

- * @since 2019-10-16

- */

-public final class SI {

-	/// dimensions used by SI units

-	// base dimensions, as BaseDimensions

-	public static final class BaseDimensions {

-		public static final BaseDimension LENGTH = BaseDimension.valueOf("Length",

-				"L");

-		public static final BaseDimension MASS = BaseDimension.valueOf("Mass",

-				"M");

-		public static final BaseDimension TIME = BaseDimension.valueOf("Time",

-				"T");

-		public static final BaseDimension ELECTRIC_CURRENT = BaseDimension

-				.valueOf("Electric Current", "I");

-		public static final BaseDimension TEMPERATURE = BaseDimension

-				.valueOf("Temperature", "\u0398"); // theta symbol

-		public static final BaseDimension QUANTITY = BaseDimension

-				.valueOf("Quantity", "N");

-		public static final BaseDimension LUMINOUS_INTENSITY = BaseDimension

-				.valueOf("Luminous Intensity", "J");

-		public static final BaseDimension INFORMATION = BaseDimension

-				.valueOf("Information", "Info"); // non-SI

-		public static final BaseDimension CURRENCY = BaseDimension

-				.valueOf("Currency", "$$"); // non-SI

-		

-		// You may NOT get SI.BaseDimensions instances!

-		private BaseDimensions() {

-			throw new AssertionError();

-		}

-	}

-	

-	/// base units of the SI

-	// suppressing warnings since these are the same object, but in a different

-	/// form (class)

-	@SuppressWarnings("hiding")

-	public static final class BaseUnits {

-		public static final BaseUnit METRE = BaseUnit

-				.valueOf(BaseDimensions.LENGTH, "metre", "m");

-		public static final BaseUnit KILOGRAM = BaseUnit

-				.valueOf(BaseDimensions.MASS, "kilogram", "kg");

-		public static final BaseUnit SECOND = BaseUnit

-				.valueOf(BaseDimensions.TIME, "second", "s");

-		public static final BaseUnit AMPERE = BaseUnit

-				.valueOf(BaseDimensions.ELECTRIC_CURRENT, "ampere", "A");

-		public static final BaseUnit KELVIN = BaseUnit

-				.valueOf(BaseDimensions.TEMPERATURE, "kelvin", "K");

-		public static final BaseUnit MOLE = BaseUnit

-				.valueOf(BaseDimensions.QUANTITY, "mole", "mol");

-		public static final BaseUnit CANDELA = BaseUnit

-				.valueOf(BaseDimensions.LUMINOUS_INTENSITY, "candela", "cd");

-		public static final BaseUnit BIT = BaseUnit

-				.valueOf(BaseDimensions.INFORMATION, "bit", "b");

-		public static final BaseUnit DOLLAR = BaseUnit

-				.valueOf(BaseDimensions.CURRENCY, "dollar", "$");

-		

-		public static final Set<BaseUnit> BASE_UNITS = setOf(METRE, KILOGRAM,

-				SECOND, AMPERE, KELVIN, MOLE, CANDELA, BIT);

-		

-		// You may NOT get SI.BaseUnits instances!

-		private BaseUnits() {

-			throw new AssertionError();

-		}

-	}

-	

-	/**

-	 * Constants that relate to the SI or other systems.

-	 * 

-	 * @author Adrien Hopkins

-	 * @since 2019-11-08

-	 */

-	public static final class Constants {

-		public static final LinearUnit EARTH_GRAVITY = METRE.dividedBy(SECOND)

-				.dividedBy(SECOND).times(9.80665);

-	}

-	

-	// dimensions used in the SI, as ObjectProducts

-	public static final class Dimensions {

-		public static final ObjectProduct<BaseDimension> EMPTY = ObjectProduct

-				.empty();

-		public static final ObjectProduct<BaseDimension> LENGTH = ObjectProduct

-				.oneOf(BaseDimensions.LENGTH);

-		public static final ObjectProduct<BaseDimension> MASS = ObjectProduct

-				.oneOf(BaseDimensions.MASS);

-		public static final ObjectProduct<BaseDimension> TIME = ObjectProduct

-				.oneOf(BaseDimensions.TIME);

-		public static final ObjectProduct<BaseDimension> ELECTRIC_CURRENT = ObjectProduct

-				.oneOf(BaseDimensions.ELECTRIC_CURRENT);

-		public static final ObjectProduct<BaseDimension> TEMPERATURE = ObjectProduct

-				.oneOf(BaseDimensions.TEMPERATURE);

-		public static final ObjectProduct<BaseDimension> QUANTITY = ObjectProduct

-				.oneOf(BaseDimensions.QUANTITY);

-		public static final ObjectProduct<BaseDimension> LUMINOUS_INTENSITY = ObjectProduct

-				.oneOf(BaseDimensions.LUMINOUS_INTENSITY);

-		public static final ObjectProduct<BaseDimension> INFORMATION = ObjectProduct

-				.oneOf(BaseDimensions.INFORMATION);

-		public static final ObjectProduct<BaseDimension> CURRENCY = ObjectProduct

-				.oneOf(BaseDimensions.CURRENCY);

-		// derived dimensions without named SI units

-		public static final ObjectProduct<BaseDimension> AREA = LENGTH

-				.times(LENGTH);

-		

-		public static final ObjectProduct<BaseDimension> VOLUME = AREA

-				.times(LENGTH);

-		public static final ObjectProduct<BaseDimension> VELOCITY = LENGTH

-				.dividedBy(TIME);

-		public static final ObjectProduct<BaseDimension> ACCELERATION = VELOCITY

-				.dividedBy(TIME);

-		public static final ObjectProduct<BaseDimension> WAVENUMBER = EMPTY

-				.dividedBy(LENGTH);

-		public static final ObjectProduct<BaseDimension> MASS_DENSITY = MASS

-				.dividedBy(VOLUME);

-		public static final ObjectProduct<BaseDimension> SURFACE_DENSITY = MASS

-				.dividedBy(AREA);

-		public static final ObjectProduct<BaseDimension> SPECIFIC_VOLUME = VOLUME

-				.dividedBy(MASS);

-		public static final ObjectProduct<BaseDimension> CURRENT_DENSITY = ELECTRIC_CURRENT

-				.dividedBy(AREA);

-		public static final ObjectProduct<BaseDimension> MAGNETIC_FIELD_STRENGTH = ELECTRIC_CURRENT

-				.dividedBy(LENGTH);

-		public static final ObjectProduct<BaseDimension> CONCENTRATION = QUANTITY

-				.dividedBy(VOLUME);

-		public static final ObjectProduct<BaseDimension> MASS_CONCENTRATION = CONCENTRATION

-				.times(MASS);

-		public static final ObjectProduct<BaseDimension> LUMINANCE = LUMINOUS_INTENSITY

-				.dividedBy(AREA);

-		public static final ObjectProduct<BaseDimension> REFRACTIVE_INDEX = VELOCITY

-				.dividedBy(VELOCITY);

-		public static final ObjectProduct<BaseDimension> REFLACTIVE_PERMEABILITY = EMPTY

-				.times(EMPTY);

-		public static final ObjectProduct<BaseDimension> ANGLE = LENGTH

-				.dividedBy(LENGTH);

-		public static final ObjectProduct<BaseDimension> SOLID_ANGLE = AREA

-				.dividedBy(AREA);

-		

-		// derived dimensions with named SI units

-		public static final ObjectProduct<BaseDimension> FREQUENCY = EMPTY

-				.dividedBy(TIME);

-		public static final ObjectProduct<BaseDimension> FORCE = MASS

-				.times(ACCELERATION);

-		public static final ObjectProduct<BaseDimension> ENERGY = FORCE

-				.times(LENGTH);

-		public static final ObjectProduct<BaseDimension> POWER = ENERGY

-				.dividedBy(TIME);

-		public static final ObjectProduct<BaseDimension> ELECTRIC_CHARGE = ELECTRIC_CURRENT

-				.times(TIME);

-		public static final ObjectProduct<BaseDimension> VOLTAGE = ENERGY

-				.dividedBy(ELECTRIC_CHARGE);

-		public static final ObjectProduct<BaseDimension> CAPACITANCE = ELECTRIC_CHARGE

-				.dividedBy(VOLTAGE);

-		public static final ObjectProduct<BaseDimension> ELECTRIC_RESISTANCE = VOLTAGE

-				.dividedBy(ELECTRIC_CURRENT);

-		public static final ObjectProduct<BaseDimension> ELECTRIC_CONDUCTANCE = ELECTRIC_CURRENT

-				.dividedBy(VOLTAGE);

-		public static final ObjectProduct<BaseDimension> MAGNETIC_FLUX = VOLTAGE

-				.times(TIME);

-		public static final ObjectProduct<BaseDimension> MAGNETIC_FLUX_DENSITY = MAGNETIC_FLUX

-				.dividedBy(AREA);

-		public static final ObjectProduct<BaseDimension> INDUCTANCE = MAGNETIC_FLUX

-				.dividedBy(ELECTRIC_CURRENT);

-		public static final ObjectProduct<BaseDimension> LUMINOUS_FLUX = LUMINOUS_INTENSITY

-				.times(SOLID_ANGLE);

-		public static final ObjectProduct<BaseDimension> ILLUMINANCE = LUMINOUS_FLUX

-				.dividedBy(AREA);

-		public static final ObjectProduct<BaseDimension> SPECIFIC_ENERGY = ENERGY

-				.dividedBy(MASS);

-		public static final ObjectProduct<BaseDimension> CATALYTIC_ACTIVITY = QUANTITY

-				.dividedBy(TIME);

-		

-		// You may NOT get SI.Dimension instances!

-		private Dimensions() {

-			throw new AssertionError();

-		}

-	}

-	

-	/// The units of the SI

-	public static final LinearUnit ONE = LinearUnit

-			.valueOf(ObjectProduct.empty(), 1);

-	

-	public static final LinearUnit METRE = BaseUnits.METRE.asLinearUnit()

-			.withName(NameSymbol.of("metre", "m", "meter"));

-	public static final LinearUnit KILOGRAM = BaseUnits.KILOGRAM.asLinearUnit()

-			.withName(NameSymbol.of("kilogram", "kg"));

-	public static final LinearUnit SECOND = BaseUnits.SECOND.asLinearUnit()

-			.withName(NameSymbol.of("second", "s", "sec"));

-	public static final LinearUnit AMPERE = BaseUnits.AMPERE.asLinearUnit()

-			.withName(NameSymbol.of("ampere", "A"));

-	public static final LinearUnit KELVIN = BaseUnits.KELVIN.asLinearUnit()

-			.withName(NameSymbol.of("kelvin", "K"));

-	public static final LinearUnit MOLE = BaseUnits.MOLE.asLinearUnit()

-			.withName(NameSymbol.of("mole", "mol"));

-	public static final LinearUnit CANDELA = BaseUnits.CANDELA.asLinearUnit()

-			.withName(NameSymbol.of("candela", "cd"));

-	public static final LinearUnit BIT = BaseUnits.BIT.asLinearUnit()

-			.withName(NameSymbol.of("bit", "b"));

-	public static final LinearUnit DOLLAR = BaseUnits.DOLLAR.asLinearUnit()

-			.withName(NameSymbol.of("dollar", "$"));

-	// Non-base units

-	public static final LinearUnit RADIAN = METRE.dividedBy(METRE)

-			.withName(NameSymbol.of("radian", "rad"));

-	

-	public static final LinearUnit STERADIAN = RADIAN.times(RADIAN)

-			.withName(NameSymbol.of("steradian", "sr"));

-	public static final LinearUnit HERTZ = ONE.dividedBy(SECOND)

-			.withName(NameSymbol.of("hertz", "Hz"));

-	// for periodic phenomena

-	public static final LinearUnit NEWTON = KILOGRAM.times(METRE)

-			.dividedBy(SECOND.times(SECOND))

-			.withName(NameSymbol.of("newton", "N"));

-	public static final LinearUnit PASCAL = NEWTON.dividedBy(METRE.times(METRE))

-			.withName(NameSymbol.of("pascal", "Pa"));

-	public static final LinearUnit JOULE = NEWTON.times(METRE)

-			.withName(NameSymbol.of("joule", "J"));

-	public static final LinearUnit WATT = JOULE.dividedBy(SECOND)

-			.withName(NameSymbol.of("watt", "W"));

-	public static final LinearUnit COULOMB = AMPERE.times(SECOND)

-			.withName(NameSymbol.of("coulomb", "C"));

-	public static final LinearUnit VOLT = JOULE.dividedBy(COULOMB)

-			.withName(NameSymbol.of("volt", "V"));

-	public static final LinearUnit FARAD = COULOMB.dividedBy(VOLT)

-			.withName(NameSymbol.of("farad", "F"));

-	public static final LinearUnit OHM = VOLT.dividedBy(AMPERE)

-			.withName(NameSymbol.of("ohm", "\u03A9")); // omega

-	public static final LinearUnit SIEMENS = ONE.dividedBy(OHM)

-			.withName(NameSymbol.of("siemens", "S"));

-	public static final LinearUnit WEBER = VOLT.times(SECOND)

-			.withName(NameSymbol.of("weber", "Wb"));

-	public static final LinearUnit TESLA = WEBER.dividedBy(METRE.times(METRE))

-			.withName(NameSymbol.of("tesla", "T"));

-	public static final LinearUnit HENRY = WEBER.dividedBy(AMPERE)

-			.withName(NameSymbol.of("henry", "H"));

-	public static final LinearUnit LUMEN = CANDELA.times(STERADIAN)

-			.withName(NameSymbol.of("lumen", "lm"));

-	public static final LinearUnit LUX = LUMEN.dividedBy(METRE.times(METRE))

-			.withName(NameSymbol.of("lux", "lx"));

-	public static final LinearUnit BEQUEREL = ONE.dividedBy(SECOND)

-			.withName(NameSymbol.of("bequerel", "Bq"));

-	// for activity referred to a nucleotide

-	public static final LinearUnit GRAY = JOULE.dividedBy(KILOGRAM)

-			.withName(NameSymbol.of("grey", "Gy"));

-	// for absorbed dose

-	public static final LinearUnit SIEVERT = JOULE.dividedBy(KILOGRAM)

-			.withName(NameSymbol.of("sievert", "Sv"));

-	// for dose equivalent

-	public static final LinearUnit KATAL = MOLE.dividedBy(SECOND)

-			.withName(NameSymbol.of("katal", "kat"));

-	// common derived units included for convenience

-	public static final LinearUnit GRAM = KILOGRAM.dividedBy(1000)

-			.withName(NameSymbol.of("gram", "g"));

-	

-	public static final LinearUnit SQUARE_METRE = METRE.toExponent(2)

-			.withName(NameSymbol.of("square metre", "m^2", "square meter",

-					"metre squared", "meter squared"));

-	public static final LinearUnit CUBIC_METRE = METRE.toExponent(3)

-			.withName(NameSymbol.of("cubic metre", "m^3", "cubic meter",

-					"metre cubed", "meter cubed"));

-	public static final LinearUnit METRE_PER_SECOND = METRE.dividedBy(SECOND)

-			.withName(

-					NameSymbol.of("metre per second", "m/s", "meter per second"));

-	// Non-SI units included for convenience

-	public static final Unit CELSIUS = Unit

-			.fromConversionFunctions(KELVIN.getBase(), tempK -> tempK - 273.15,

-					tempC -> tempC + 273.15)

-			.withName(NameSymbol.of("degree Celsius", "\u00B0C"));

-	

-	public static final LinearUnit MINUTE = SECOND.times(60)

-			.withName(NameSymbol.of("minute", "min"));

-	public static final LinearUnit HOUR = MINUTE.times(60)

-			.withName(NameSymbol.of("hour", "h", "hr"));

-	public static final LinearUnit DAY = HOUR.times(60)

-			.withName(NameSymbol.of("day", "d"));

-	public static final LinearUnit KILOMETRE_PER_HOUR = METRE.times(1000)

-			.dividedBy(HOUR).withName(NameSymbol.of("kilometre per hour", "km/h",

-					"kilometer per hour"));

-	public static final LinearUnit DEGREE = RADIAN.times(360 / (2 * Math.PI))

-			.withName(NameSymbol.of("degree", "\u00B0", "deg"));

-	public static final LinearUnit ARCMINUTE = DEGREE.dividedBy(60)

-			.withName(NameSymbol.of("arcminute", "arcmin"));

-	public static final LinearUnit ARCSECOND = ARCMINUTE.dividedBy(60)

-			.withName(NameSymbol.of("arcsecond", "arcsec"));

-	public static final LinearUnit ASTRONOMICAL_UNIT = METRE

-			.times(149597870700.0)

-			.withName(NameSymbol.of("astronomical unit", "au"));

-	public static final LinearUnit PARSEC = ASTRONOMICAL_UNIT

-			.dividedBy(ARCSECOND).withName(NameSymbol.of("parsec", "pc"));

-	public static final LinearUnit HECTARE = METRE.times(METRE).times(10000.0)

-			.withName(NameSymbol.of("hectare", "ha"));

-	public static final LinearUnit LITRE = METRE.times(METRE).times(METRE)

-			.dividedBy(1000.0).withName(NameSymbol.of("litre", "L", "l", "liter"));

-	public static final LinearUnit TONNE = KILOGRAM.times(1000.0)

-			.withName(NameSymbol.of("tonne", "t", "metric ton"));

-	public static final LinearUnit DALTON = KILOGRAM.times(1.660539040e-27)

-			.withName(NameSymbol.of("dalton", "Da", "atomic unit", "u")); // approximate

-	// value

-	public static final LinearUnit ELECTRONVOLT = JOULE.times(1.602176634e-19)

-			.withName(NameSymbol.of("electron volt", "eV"));

-	public static final LinearUnit BYTE = BIT.times(8)

-			.withName(NameSymbol.of("byte", "B"));

-	public static final Unit NEPER = Unit.fromConversionFunctions(ONE.getBase(),

-			pr -> 0.5 * Math.log(pr), Np -> Math.exp(2 * Np))

-			.withName(NameSymbol.of("neper", "Np"));

-	public static final Unit BEL = Unit.fromConversionFunctions(ONE.getBase(),

-			pr -> Math.log10(pr), dB -> Math.pow(10, dB))

-			.withName(NameSymbol.of("bel", "B"));

-	public static final Unit DECIBEL = Unit

-			.fromConversionFunctions(ONE.getBase(), pr -> 10 * Math.log10(pr),

-					dB -> Math.pow(10, dB / 10))

-			.withName(NameSymbol.of("decibel", "dB"));

-	/// The prefixes of the SI

-	// expanding decimal prefixes

-	public static final UnitPrefix KILO = UnitPrefix.valueOf(1e3)

-			.withName(NameSymbol.of("kilo", "k", "K"));

-	

-	public static final UnitPrefix MEGA = UnitPrefix.valueOf(1e6)

-			.withName(NameSymbol.of("mega", "M"));

-	public static final UnitPrefix GIGA = UnitPrefix.valueOf(1e9)

-			.withName(NameSymbol.of("giga", "G"));

-	public static final UnitPrefix TERA = UnitPrefix.valueOf(1e12)

-			.withName(NameSymbol.of("tera", "T"));

-	public static final UnitPrefix PETA = UnitPrefix.valueOf(1e15)

-			.withName(NameSymbol.of("peta", "P"));

-	public static final UnitPrefix EXA = UnitPrefix.valueOf(1e18)

-			.withName(NameSymbol.of("exa", "E"));

-	public static final UnitPrefix ZETTA = UnitPrefix.valueOf(1e21)

-			.withName(NameSymbol.of("zetta", "Z"));

-	public static final UnitPrefix YOTTA = UnitPrefix.valueOf(1e24)

-			.withName(NameSymbol.of("yotta", "Y"));

-	// contracting decimal prefixes

-	public static final UnitPrefix MILLI = UnitPrefix.valueOf(1e-3)

-			.withName(NameSymbol.of("milli", "m"));

-	

-	public static final UnitPrefix MICRO = UnitPrefix.valueOf(1e-6)

-			.withName(NameSymbol.of("micro", "\u03BC", "u")); // mu

-	public static final UnitPrefix NANO = UnitPrefix.valueOf(1e-9)

-			.withName(NameSymbol.of("nano", "n"));

-	public static final UnitPrefix PICO = UnitPrefix.valueOf(1e-12)

-			.withName(NameSymbol.of("pico", "p"));

-	public static final UnitPrefix FEMTO = UnitPrefix.valueOf(1e-15)

-			.withName(NameSymbol.of("femto", "f"));

-	public static final UnitPrefix ATTO = UnitPrefix.valueOf(1e-18)

-			.withName(NameSymbol.of("atto", "a"));

-	public static final UnitPrefix ZEPTO = UnitPrefix.valueOf(1e-21)

-			.withName(NameSymbol.of("zepto", "z"));

-	public static final UnitPrefix YOCTO = UnitPrefix.valueOf(1e-24)

-			.withName(NameSymbol.of("yocto", "y"));

-	// prefixes that don't match the pattern of thousands

-	public static final UnitPrefix DEKA = UnitPrefix.valueOf(1e1)

-			.withName(NameSymbol.of("deka", "da", "deca", "D"));

-	

-	public static final UnitPrefix HECTO = UnitPrefix.valueOf(1e2)

-			.withName(NameSymbol.of("hecto", "h", "H", "hekto"));

-	public static final UnitPrefix DECI = UnitPrefix.valueOf(1e-1)

-			.withName(NameSymbol.of("deci", "d"));

-	public static final UnitPrefix CENTI = UnitPrefix.valueOf(1e-2)

-			.withName(NameSymbol.of("centi", "c"));

-	public static final UnitPrefix KIBI = UnitPrefix.valueOf(1024)

-			.withName(NameSymbol.of("kibi", "Ki"));

-	public static final UnitPrefix MEBI = KIBI.times(1024)

-			.withName(NameSymbol.of("mebi", "Mi"));

-	public static final UnitPrefix GIBI = MEBI.times(1024)

-			.withName(NameSymbol.of("gibi", "Gi"));

-	public static final UnitPrefix TEBI = GIBI.times(1024)

-			.withName(NameSymbol.of("tebi", "Ti"));

-	public static final UnitPrefix PEBI = TEBI.times(1024)

-			.withName(NameSymbol.of("pebi", "Pi"));

-	public static final UnitPrefix EXBI = PEBI.times(1024)

-			.withName(NameSymbol.of("exbi", "Ei"));

-	// sets of prefixes

-	public static final Set<UnitPrefix> ALL_PREFIXES = setOf(DEKA, HECTO, KILO,

-			MEGA, GIGA, TERA, PETA, EXA, ZETTA, YOTTA, DECI, CENTI, MILLI, MICRO,

-			NANO, PICO, FEMTO, ATTO, ZEPTO, YOCTO, KIBI, MEBI, GIBI, TEBI, PEBI,

-			EXBI);

-	

-	public static final Set<UnitPrefix> DECIMAL_PREFIXES = setOf(DEKA, HECTO,

-			KILO, MEGA, GIGA, TERA, PETA, EXA, ZETTA, YOTTA, DECI, CENTI, MILLI,

-			MICRO, NANO, PICO, FEMTO, ATTO, ZEPTO, YOCTO);

-	public static final Set<UnitPrefix> THOUSAND_PREFIXES = setOf(KILO, MEGA,

-			GIGA, TERA, PETA, EXA, ZETTA, YOTTA, MILLI, MICRO, NANO, PICO, FEMTO,

-			ATTO, ZEPTO, YOCTO);

-	public static final Set<UnitPrefix> MAGNIFYING_PREFIXES = setOf(DEKA, HECTO,

-			KILO, MEGA, GIGA, TERA, PETA, EXA, ZETTA, YOTTA, KIBI, MEBI, GIBI,

-			TEBI, PEBI, EXBI);

-	public static final Set<UnitPrefix> REDUCING_PREFIXES = setOf(DECI, CENTI,

-			MILLI, MICRO, NANO, PICO, FEMTO, ATTO, ZEPTO, YOCTO);

-	

-	// this method just calls Arrays.asList, which is itself safe.

-	@SafeVarargs

-	private static final <T> Set<T> setOf(T... args) {

-		return Collections.unmodifiableSet(new HashSet<>(Arrays.asList(args)));

-	}

-	

-	// You may NOT get SI instances!

-	private SI() {

-		throw new AssertionError();

-	}

-}