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/**
* Copyright (C) 2019, 2021, 2024, 2025 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 sevenUnits.unit;
/**
* A static utility class that contains units in the US Customary system.
*
* @author Adrien Hopkins
* @since 2019-10-21
* @since v0.3.0
*/
// this class is just constants, most of which are obvious from the variable name
// so no need to check for missing values
@SuppressWarnings("javadoc")
public final class USCustomary {
/**
* US Customary units that measure area
*
* @author Adrien Hopkins
* @since 2019-11-08
* @since v0.3.0
*/
public static final class Area {
public static final LinearUnit SQUARE_SURVEY_FOOT = Length.SURVEY_FOOT
.times(Length.SURVEY_FOOT);
public static final LinearUnit SQUARE_CHAIN = Length.SURVEY_CHAIN
.times(Length.SURVEY_CHAIN);
public static final LinearUnit ACRE = Length.SURVEY_CHAIN
.times(Length.SURVEY_FURLONG);
public static final LinearUnit SECTION = Length.SURVEY_MILE
.times(Length.SURVEY_MILE);
public static final LinearUnit SURVEY_TOWNSHIP = SECTION.times(36);
}
/**
* US Customary units that measure length
*
* @author Adrien Hopkins
* @since 2019-10-28
* @since v0.3.0
*/
public static final class Length {
public static final LinearUnit FOOT = BritishImperial.Length.FOOT;
public static final LinearUnit INCH = BritishImperial.Length.INCH;
public static final LinearUnit HAND = INCH.times(4);
public static final LinearUnit PICA = INCH.dividedBy(6);
public static final LinearUnit POINT = PICA.dividedBy(12);
public static final LinearUnit YARD = BritishImperial.Length.YARD;
public static final LinearUnit MILE = BritishImperial.Length.MILE;
public static final LinearUnit SURVEY_FOOT = Metric.METRE
.times(1200.0 / 3937.0);
public static final LinearUnit SURVEY_LINK = SURVEY_FOOT
.times(33.0 / 50.0);
public static final LinearUnit SURVEY_ROD = SURVEY_FOOT.times(16.5);
public static final LinearUnit SURVEY_CHAIN = SURVEY_ROD.times(4);
public static final LinearUnit SURVEY_FURLONG = SURVEY_CHAIN.times(10);
public static final LinearUnit SURVEY_MILE = SURVEY_FURLONG.times(8);
public static final LinearUnit SURVEY_LEAGUE = SURVEY_MILE.times(3);
public static final LinearUnit NAUTICAL_MILE = BritishImperial.Length.NAUTICAL_MILE;
public static final LinearUnit FATHOM = YARD.times(2);
public static final LinearUnit CABLE = FATHOM.times(120);
}
/**
* mass units
*
* @author Adrien Hopkins
* @since 2019-11-08
* @since v0.3.0
*/
public static final class Mass {
public static final LinearUnit GRAIN = BritishImperial.Mass.GRAIN;
public static final LinearUnit DRAM = BritishImperial.Mass.DRACHM;
public static final LinearUnit OUNCE = BritishImperial.Mass.OUNCE;
public static final LinearUnit POUND = BritishImperial.Mass.POUND;
public static final LinearUnit HUNDREDWEIGHT = POUND.times(100);
public static final LinearUnit SHORT_TON = HUNDREDWEIGHT.times(20);
// troy system for precious metals
public static final LinearUnit PENNYWEIGHT = GRAIN.times(24);
public static final LinearUnit TROY_OUNCE = PENNYWEIGHT.times(20);
public static final LinearUnit TROY_POUND = TROY_OUNCE.times(12);
}
/**
* Volume units
*
* @author Adrien Hopkins
* @since 2019-11-08
* @since v0.3.0
*/
public static final class Volume {
public static final LinearUnit CUBIC_INCH = Length.INCH.toExponent(3);
public static final LinearUnit CUBIC_FOOT = Length.FOOT.toExponent(3);
public static final LinearUnit CUBIC_YARD = Length.YARD.toExponent(3);
public static final LinearUnit ACRE_FOOT = Area.ACRE.times(Length.FOOT);
public static final LinearUnit MINIM = Metric.LITRE
.withPrefix(Metric.MICRO).times(61.611519921875);
public static final LinearUnit FLUID_DRAM = MINIM.times(60);
public static final LinearUnit TEASPOON = MINIM.times(80);
public static final LinearUnit TABLESPOON = TEASPOON.times(3);
public static final LinearUnit FLUID_OUNCE = TABLESPOON.times(2);
public static final LinearUnit SHOT = TABLESPOON.times(3);
public static final LinearUnit GILL = FLUID_OUNCE.times(4);
public static final LinearUnit CUP = GILL.times(2);
public static final LinearUnit PINT = CUP.times(2);
public static final LinearUnit QUART = PINT.times(2);
public static final LinearUnit GALLON = QUART.times(4);
public static final LinearUnit BARREL = GALLON.times(31.5);
public static final LinearUnit OIL_BARREL = GALLON.times(42);
public static final LinearUnit HOGSHEAD = GALLON.times(63);
public static final LinearUnit DRY_PINT = Metric.LITRE
.times(0.5506104713575);
public static final LinearUnit DRY_QUART = DRY_PINT.times(2);
public static final LinearUnit DRY_GALLON = DRY_QUART.times(4);
public static final LinearUnit PECK = DRY_GALLON.times(2);
public static final LinearUnit BUSHEL = PECK.times(4);
public static final LinearUnit DRY_BARREL = CUBIC_INCH.times(7056);
}
public static final LinearUnit OUNCE_FORCE = BritishImperial.OUNCE_FORCE;
public static final LinearUnit POUND_FORCE = BritishImperial.POUND_FORCE;
public static final LinearUnit BRITISH_THERMAL_UNIT = BritishImperial.BRITISH_THERMAL_UNIT;
public static final LinearUnit CALORIE = BritishImperial.CALORIE;
public static final LinearUnit KILOCALORIE = BritishImperial.KILOCALORIE;
public static final LinearUnit FOOT_POUND = POUND_FORCE.times(Length.FOOT);
public static final LinearUnit HORSEPOWER = Length.FOOT.times(POUND_FORCE)
.dividedBy(Metric.MINUTE).times(33000);
public static final LinearUnit POUND_PER_SQUARE_INCH = POUND_FORCE
.dividedBy(Length.INCH.toExponent(2));
public static final Unit FAHRENHEIT = BritishImperial.FAHRENHEIT;
}
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