org.apfloat.jscience.ApfloatField Maven / Gradle / Ivy
/*
* Apfloat arbitrary precision arithmetic library
* Copyright (C) 2002-2019 Mikko Tommila
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.apfloat.jscience;
import org.apfloat.Apfloat;
import org.apfloat.ApfloatMath;
/**
* This class represents an arbitrary precision floating-point number.
*
* The precision of each calculation is determined separately, which means
* that loss of precision can easily accumulate in complicated calculations
* (e.g. matrix inversion). If this should be avoided, and a fixed precision is
* required, then it may be better to use {@link FixedPrecisionApfloatField}
* instead.
*
* @since 1.8.0
* @version 1.8.0
* @author Mikko Tommila
*/
public class ApfloatField
extends AbstractField
{
/**
* Constructs a new floating-point field object with the specified value.
*
* @param value The value.
*/
public ApfloatField(Apfloat value)
{
super(value);
}
@Override
public ApfloatField plus(ApfloatField that)
{
return new ApfloatField(value().add(that.value()));
}
@Override
public ApfloatField opposite()
{
return new ApfloatField(value().negate());
}
@Override
public ApfloatField times(ApfloatField that)
{
return new ApfloatField(value().multiply(that.value()));
}
@Override
public ApfloatField inverse()
throws ArithmeticException
{
return new ApfloatField(ApfloatMath.inverseRoot(value(), 1));
}
@Override
public ApfloatField copy()
{
return new ApfloatField(value());
}
private static final long serialVersionUID = -901594332306254700L;
}