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-/**
- * 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.newUnits;
-
-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", "$");
-
- // You may NOT get SI.BaseUnits instances!
- private BaseUnits() {
- throw new AssertionError();
- }
- }
-
- // 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();
- public static final LinearUnit KILOGRAM = BaseUnits.KILOGRAM.asLinearUnit();
- public static final LinearUnit SECOND = BaseUnits.SECOND.asLinearUnit();
- public static final LinearUnit AMPERE = BaseUnits.AMPERE.asLinearUnit();
- public static final LinearUnit KELVIN = BaseUnits.KELVIN.asLinearUnit();
- public static final LinearUnit MOLE = BaseUnits.MOLE.asLinearUnit();
- public static final LinearUnit CANDELA = BaseUnits.CANDELA.asLinearUnit();
- public static final LinearUnit BIT = BaseUnits.BIT.asLinearUnit();
- public static final LinearUnit DOLLAR = BaseUnits.DOLLAR.asLinearUnit();
-
- // Non-base units
- public static final LinearUnit RADIAN = METRE.dividedBy(METRE);
- public static final LinearUnit STERADIAN = RADIAN.times(RADIAN);
- public static final LinearUnit HERTZ = ONE.dividedBy(SECOND); // for periodic phenomena
- public static final LinearUnit NEWTON = KILOGRAM.times(METRE).dividedBy(SECOND.times(SECOND));
- public static final LinearUnit PASCAL = NEWTON.dividedBy(METRE.times(METRE));
- public static final LinearUnit JOULE = NEWTON.times(METRE);
- public static final LinearUnit WATT = JOULE.dividedBy(SECOND);
- public static final LinearUnit COULOMB = AMPERE.times(SECOND);
- public static final LinearUnit VOLT = JOULE.dividedBy(COULOMB);
- public static final LinearUnit FARAD = COULOMB.dividedBy(VOLT);
- public static final LinearUnit OHM = VOLT.dividedBy(AMPERE);
- public static final LinearUnit SIEMENS = ONE.dividedBy(OHM);
- public static final LinearUnit WEBER = VOLT.times(SECOND);
- public static final LinearUnit TESLA = WEBER.dividedBy(METRE.times(METRE));
- public static final LinearUnit HENRY = WEBER.dividedBy(AMPERE);
- public static final LinearUnit LUMEN = CANDELA.times(STERADIAN);
- public static final LinearUnit LUX = LUMEN.dividedBy(METRE.times(METRE));
- public static final LinearUnit BEQUEREL = ONE.dividedBy(SECOND); // for activity referred to a nucleotide
- public static final LinearUnit GRAY = JOULE.dividedBy(KILOGRAM); // for absorbed dose
- public static final LinearUnit SIEVERT = JOULE.dividedBy(KILOGRAM); // for dose equivalent
- public static final LinearUnit KATAL = MOLE.dividedBy(SECOND);
-
- // Non-SI units included for convenience
- public static final Unit CELSIUS = Unit.fromConversionFunctions(KELVIN.getBase(), tempK -> tempK - 273.15,
- tempC -> tempC + 273.15);
- public static final LinearUnit MINUTE = SECOND.times(60);
- public static final LinearUnit HOUR = MINUTE.times(60);
- public static final LinearUnit DAY = HOUR.times(60);
- public static final LinearUnit DEGREE = RADIAN.times(360 / (2 * Math.PI));
- public static final LinearUnit ARCMINUTE = DEGREE.dividedBy(60);
- public static final LinearUnit ARCSECOND = ARCMINUTE.dividedBy(60);
- public static final LinearUnit ASTRONOMICAL_UNIT = METRE.times(149597870700.0);
- public static final LinearUnit PARSEC = ASTRONOMICAL_UNIT.times(ARCSECOND);
- public static final LinearUnit HECTARE = METRE.times(METRE).times(10000.0);
- public static final LinearUnit LITRE = METRE.times(METRE).times(METRE).dividedBy(1000.0);
- public static final LinearUnit TONNE = KILOGRAM.times(1000.0);
- public static final LinearUnit DALTON = KILOGRAM.times(1.660539040e-27); // approximate value
- public static final LinearUnit ELECTRONVOLT = JOULE.times(1.602176634e-19);
- public static final Unit NEPER = Unit.fromConversionFunctions(ONE.getBase(), pr -> 0.5 * Math.log(pr),
- Np -> Math.exp(2 * Np));
- public static final Unit BEL = Unit.fromConversionFunctions(ONE.getBase(), pr -> Math.log10(pr),
- dB -> Math.pow(10, dB));
- public static final Unit DECIBEL = Unit.fromConversionFunctions(ONE.getBase(), pr -> 10 * Math.log10(pr),
- dB -> Math.pow(10, dB / 10));
-
- /// The prefixes of the SI
- // expanding decimal prefixes
- public static final UnitPrefix KILO = UnitPrefix.valueOf(1e3);
- public static final UnitPrefix MEGA = UnitPrefix.valueOf(1e6);
- public static final UnitPrefix GIGA = UnitPrefix.valueOf(1e9);
- public static final UnitPrefix TERA = UnitPrefix.valueOf(1e12);
- public static final UnitPrefix PETA = UnitPrefix.valueOf(1e15);
- public static final UnitPrefix EXA = UnitPrefix.valueOf(1e18);
- public static final UnitPrefix ZETTA = UnitPrefix.valueOf(1e21);
- public static final UnitPrefix YOTTA = UnitPrefix.valueOf(1e24);
-
- // contracting decimal prefixes
- public static final UnitPrefix MILLI = UnitPrefix.valueOf(1e-3);
- public static final UnitPrefix MICRO = UnitPrefix.valueOf(1e-6);
- public static final UnitPrefix NANO = UnitPrefix.valueOf(1e-9);
- public static final UnitPrefix PICO = UnitPrefix.valueOf(1e-12);
- public static final UnitPrefix FEMTO = UnitPrefix.valueOf(1e-15);
- public static final UnitPrefix ATTO = UnitPrefix.valueOf(1e-18);
- public static final UnitPrefix ZEPTO = UnitPrefix.valueOf(1e-21);
- public static final UnitPrefix YOCTO = UnitPrefix.valueOf(1e-24);
-
- // prefixes that don't match the pattern of thousands
- public static final UnitPrefix DEKA = UnitPrefix.valueOf(1e1);
- public static final UnitPrefix HECTO = UnitPrefix.valueOf(1e2);
- public static final UnitPrefix DECI = UnitPrefix.valueOf(1e-1);
- public static final UnitPrefix CENTI = UnitPrefix.valueOf(1e-2);
- public static final UnitPrefix KIBI = UnitPrefix.valueOf(1024);
- public static final UnitPrefix MEBI = KIBI.times(1024);
- public static final UnitPrefix GIBI = MEBI.times(1024);
- public static final UnitPrefix TEBI = GIBI.times(1024);
- public static final UnitPrefix PEBI = TEBI.times(1024);
- public static final UnitPrefix EXBI = PEBI.times(1024);
-
- // You may NOT get SI instances!
- private SI() {
- throw new AssertionError();
- }
-}
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