package org.djunits.demo.website; import java.util.regex.Matcher; import org.djunits.Throw; import org.djunits.unit.AccelerationUnit; import org.djunits.unit.DimensionlessUnit; import org.djunits.unit.FrequencyUnit; import org.djunits.value.util.ValueUtil; import org.djunits.value.vdouble.scalar.Acceleration; import org.djunits.value.vdouble.scalar.Dimensionless; import org.djunits.value.vdouble.scalar.Duration; import org.djunits.value.vdouble.scalar.Frequency; import org.djunits.value.vdouble.scalar.SIScalar; import org.djunits.value.vdouble.scalar.base.AbstractDoubleScalarRel; import org.djunits.value.vdouble.scalar.base.DoubleScalar; /** *

* Copyright (c) 2013-2022 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
* BSD-style license. See DJUNITS License. *

* @author Alexander Verbraeck * @author Peter Knoppers */ public class Jerk extends AbstractDoubleScalarRel { /** */ private static final long serialVersionUID = 1L; /** * Construct Jerk scalar. * @param value double; the double value * @param unit JerkUnit; unit for the double value */ public Jerk(final double value, final JerkUnit unit) { super(value, unit); } /** * Construct Jerk scalar. * @param value Jerk; Scalar from which to construct this instance */ public Jerk(final Jerk value) { super(value); } /** {@inheritDoc} */ @Override public final Jerk instantiateRel(final double value, final JerkUnit unit) { return new Jerk(value, unit); } /** * Construct Jerk scalar. * @param value double; the double value in SI units * @return Jerk; the new scalar with the SI value */ public static final Jerk instantiateSI(final double value) { return new Jerk(value, JerkUnit.SI); } /** * Interpolate between two values. * @param zero Jerk; the low value * @param one Jerk; the high value * @param ratio double; the ratio between 0 and 1, inclusive * @return Jerk; a Scalar at the ratio between */ public static Jerk interpolate(final Jerk zero, final Jerk one, final double ratio) { return new Jerk(zero.getInUnit() * (1 - ratio) + one.getInUnit(zero.getDisplayUnit()) * ratio, zero.getDisplayUnit()); } /** * Return the maximum value of two relative scalars. * @param r1 Jerk; the first scalar * @param r2 Jerk; the second scalar * @return Jerk; the maximum value of two relative scalars */ public static Jerk max(final Jerk r1, final Jerk r2) { return (r1.gt(r2)) ? r1 : r2; } /** * Return the maximum value of more than two relative scalars. * @param r1 Jerk; the first scalar * @param r2 Jerk; the second scalar * @param rn Jerk...; the other scalars * @return Jerk; the maximum value of more than two relative scalars */ public static Jerk max(final Jerk r1, final Jerk r2, final Jerk... rn) { Jerk maxr = (r1.gt(r2)) ? r1 : r2; for (Jerk r : rn) { if (r.gt(maxr)) { maxr = r; } } return maxr; } /** * Return the minimum value of two relative scalars. * @param r1 Jerk; the first scalar * @param r2 Jerk; the second scalar * @return Jerk; the minimum value of two relative scalars */ public static Jerk min(final Jerk r1, final Jerk r2) { return r1.lt(r2) ? r1 : r2; } /** * Return the minimum value of more than two relative scalars. * @param r1 Jerk; the first scalar * @param r2 Jerk; the second scalar * @param rn Jerk...; the other scalars * @return Jerk; the minimum value of more than two relative scalars */ public static Jerk min(final Jerk r1, final Jerk r2, final Jerk... rn) { Jerk minr = r1.lt(r2) ? r1 : r2; for (Jerk r : rn) { if (r.lt(minr)) { minr = r; } } return minr; } /** * Returns a Jerk representation of a textual representation of a value with a unit. The String representation that can be * parsed is the double value in the unit, followed by the official abbreviation of the unit. Spaces are allowed, but not * required, between the value and the unit. * @param text String; the textual representation to parse into a Jerk * @return Jerk; the Scalar representation of the value in its unit * @throws IllegalArgumentException when the text cannot be parsed * @throws NullPointerException when the text argument is null */ public static Jerk valueOf(final String text) { Throw.whenNull(text, "Error parsing Jerk: text to parse is null"); Throw.when(text.length() == 0, IllegalArgumentException.class, "Error parsing Jerk: empty text to parse"); Matcher matcher = ValueUtil.NUMBER_PATTERN.matcher(text); if (matcher.find()) { int index = matcher.end(); String unitString = text.substring(index).trim(); String valueString = text.substring(0, index).trim(); JerkUnit unit = JerkUnit.BASE.getUnitByAbbreviation(unitString); if (unit != null) { double d = Double.parseDouble(valueString); return new Jerk(d, unit); } } throw new IllegalArgumentException("Error parsing Jerk from " + text); } /** * Returns a Jerk based on a value and the textual representation of the unit. * @param value double; the value to use * @param unitString String; the textual representation of the unit * @return Jerk; the Scalar representation of the value in its unit * @throws IllegalArgumentException when the unit cannot be parsed or is incorrect * @throws NullPointerException when the unitString argument is null */ public static Jerk of(final double value, final String unitString) { Throw.whenNull(unitString, "Error parsing Jerk: unitString is null"); Throw.when(unitString.length() == 0, IllegalArgumentException.class, "Error parsing Jerk: empty unitString"); JerkUnit unit = JerkUnit.BASE.getUnitByAbbreviation(unitString); if (unit != null) { return new Jerk(value, unit); } throw new IllegalArgumentException("Error parsing Jerk with unit " + unitString); } /** * Calculate the division of Jerk and Jerk, which results in a Dimensionless scalar. * @param v Jerk; Jerk scalar * @return Dimensionless scalar as a division of Jerk and Jerk */ public final Dimensionless divide(final Jerk v) { return new Dimensionless(this.si / v.si, DimensionlessUnit.SI); } /** * Calculate the multiplication of Jerk and Duration, which results in an Acceleration scalar. * @param v Duration; Duration scalar * @return Acceleration scalar as a multiplication of Jerk and Duration */ public final Acceleration times(final Duration v) { return new Acceleration(this.si * v.si, AccelerationUnit.SI); } /** * Calculate the division of Jerk and Acceleration, which results in a Frequency scalar. * @param v Acceleration; Acceleration scalar * @return Frequency scalar as a division of Jerk and Accelration */ public final Frequency times(final Acceleration v) { return new Frequency(this.si * v.si, FrequencyUnit.SI); } /** {@inheritDoc} */ @Override public SIScalar reciprocal() { return DoubleScalar.divide(Dimensionless.ONE, this); } }