Density.java
package org.djunits.value.vdouble.scalar;
import java.util.Locale;
import org.djunits.unit.DensityUnit;
import org.djunits.unit.DimensionlessUnit;
import org.djunits.unit.FlowMassUnit;
import org.djunits.unit.MassUnit;
import org.djunits.value.vdouble.scalar.base.DoubleScalar;
import org.djunits.value.vdouble.scalar.base.DoubleScalarRel;
import org.djutils.base.NumberParser;
import org.djutils.exceptions.Throw;
import jakarta.annotation.Generated;
/**
* Easy access methods for the Density DoubleScalar, which is relative by definition.
* <p>
* Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
* BSD-style license. See <a href="https://djunits.org/docs/license.html">DJUNITS License</a>.
* </p>
* @author <a href="https://www.tudelft.nl/averbraeck">Alexander Verbraeck</a>
* @author <a href="https://www.tudelft.nl/staff/p.knoppers/">Peter Knoppers</a>
*/
@Generated(value = "org.djunits.generator.GenerateDJUNIT", date = "2023-07-23T14:06:38.224104100Z")
public class Density extends DoubleScalarRel<DensityUnit, Density>
{
/** */
private static final long serialVersionUID = 20150905L;
/** Constant with value zero. */
public static final Density ZERO = new Density(0.0, DensityUnit.SI);
/** Constant with value one. */
public static final Density ONE = new Density(1.0, DensityUnit.SI);
/** Constant with value NaN. */
@SuppressWarnings("checkstyle:constantname")
public static final Density NaN = new Density(Double.NaN, DensityUnit.SI);
/** Constant with value POSITIVE_INFINITY. */
public static final Density POSITIVE_INFINITY = new Density(Double.POSITIVE_INFINITY, DensityUnit.SI);
/** Constant with value NEGATIVE_INFINITY. */
public static final Density NEGATIVE_INFINITY = new Density(Double.NEGATIVE_INFINITY, DensityUnit.SI);
/** Constant with value MAX_VALUE. */
public static final Density POS_MAXVALUE = new Density(Double.MAX_VALUE, DensityUnit.SI);
/** Constant with value -MAX_VALUE. */
public static final Density NEG_MAXVALUE = new Density(-Double.MAX_VALUE, DensityUnit.SI);
/**
* Construct Density scalar.
* @param value double; the double value
* @param unit DensityUnit; unit for the double value
*/
public Density(final double value, final DensityUnit unit)
{
super(value, unit);
}
/**
* Construct Density scalar.
* @param value Density; Scalar from which to construct this instance
*/
public Density(final Density value)
{
super(value);
}
/** {@inheritDoc} */
@Override
public final Density instantiateRel(final double value, final DensityUnit unit)
{
return new Density(value, unit);
}
/**
* Construct Density scalar.
* @param value double; the double value in SI units
* @return Density; the new scalar with the SI value
*/
public static final Density instantiateSI(final double value)
{
return new Density(value, DensityUnit.SI);
}
/**
* Interpolate between two values.
* @param zero Density; the low value
* @param one Density; the high value
* @param ratio double; the ratio between 0 and 1, inclusive
* @return Density; a Scalar at the ratio between
*/
public static Density interpolate(final Density zero, final Density one, final double ratio)
{
return new Density(zero.getInUnit() * (1 - ratio) + one.getInUnit(zero.getDisplayUnit()) * ratio,
zero.getDisplayUnit());
}
/**
* Return the maximum value of two relative scalars.
* @param r1 Density; the first scalar
* @param r2 Density; the second scalar
* @return Density; the maximum value of two relative scalars
*/
public static Density max(final Density r1, final Density r2)
{
return r1.gt(r2) ? r1 : r2;
}
/**
* Return the maximum value of more than two relative scalars.
* @param r1 Density; the first scalar
* @param r2 Density; the second scalar
* @param rn Density...; the other scalars
* @return Density; the maximum value of more than two relative scalars
*/
public static Density max(final Density r1, final Density r2, final Density... rn)
{
Density maxr = r1.gt(r2) ? r1 : r2;
for (Density r : rn)
{
if (r.gt(maxr))
{
maxr = r;
}
}
return maxr;
}
/**
* Return the minimum value of two relative scalars.
* @param r1 Density; the first scalar
* @param r2 Density; the second scalar
* @return Density; the minimum value of two relative scalars
*/
public static Density min(final Density r1, final Density r2)
{
return r1.lt(r2) ? r1 : r2;
}
/**
* Return the minimum value of more than two relative scalars.
* @param r1 Density; the first scalar
* @param r2 Density; the second scalar
* @param rn Density...; the other scalars
* @return Density; the minimum value of more than two relative scalars
*/
public static Density min(final Density r1, final Density r2, final Density... rn)
{
Density minr = r1.lt(r2) ? r1 : r2;
for (Density r : rn)
{
if (r.lt(minr))
{
minr = r;
}
}
return minr;
}
/**
* Returns a Density 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 a localized or English 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 Density
* @return Density; 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 Density valueOf(final String text)
{
Throw.whenNull(text, "Error parsing Density: text to parse is null");
Throw.when(text.length() == 0, IllegalArgumentException.class, "Error parsing Density: empty text to parse");
try
{
NumberParser numberParser = new NumberParser().lenient().trailing();
double d = numberParser.parseDouble(text);
String unitString = text.substring(numberParser.getTrailingPosition()).trim();
DensityUnit unit = DensityUnit.BASE.getUnitByAbbreviation(unitString);
if (unit == null)
throw new IllegalArgumentException("Unit " + unitString + " not found");
return new Density(d, unit);
}
catch (Exception exception)
{
throw new IllegalArgumentException(
"Error parsing Density from " + text + " using Locale " + Locale.getDefault(Locale.Category.FORMAT),
exception);
}
}
/**
* Returns a Density based on a value and the textual representation of the unit, which can be localized.
* @param value double; the value to use
* @param unitString String; the textual representation of the unit
* @return Density; 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 Density of(final double value, final String unitString)
{
Throw.whenNull(unitString, "Error parsing Density: unitString is null");
Throw.when(unitString.length() == 0, IllegalArgumentException.class, "Error parsing Density: empty unitString");
DensityUnit unit = DensityUnit.BASE.getUnitByAbbreviation(unitString);
if (unit != null)
{
return new Density(value, unit);
}
throw new IllegalArgumentException("Error parsing Density with unit " + unitString);
}
/**
* Calculate the division of Density and Density, which results in a Dimensionless scalar.
* @param v Density; scalar
* @return Dimensionless; scalar as a division of Density and Density
*/
public final Dimensionless divide(final Density v)
{
return new Dimensionless(this.si / v.si, DimensionlessUnit.SI);
}
/**
* Calculate the multiplication of Density and Volume, which results in a Mass scalar.
* @param v Density; scalar
* @return Mass; scalar as a multiplication of Density and Volume
*/
public final Mass times(final Volume v)
{
return new Mass(this.si * v.si, MassUnit.SI);
}
/**
* Calculate the multiplication of Density and FlowVolume, which results in a FlowMass scalar.
* @param v Density; scalar
* @return FlowMass; scalar as a multiplication of Density and FlowVolume
*/
public final FlowMass times(final FlowVolume v)
{
return new FlowMass(this.si * v.si, FlowMassUnit.SI);
}
/** {@inheritDoc} */
@Override
public SIScalar reciprocal()
{
return DoubleScalar.divide(Dimensionless.ONE, this);
}
}