org.apfloat.jscience.ApcomplexField 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.Apcomplex;
import org.apfloat.ApcomplexMath;
/**
* This class represents an arbitrary precision complex 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 FixedPrecisionApcomplexField}
* instead.
*
* @since 1.8.0
* @version 1.8.0
* @author Mikko Tommila
*/
public class ApcomplexField
extends AbstractField
{
/**
* Constructs a new complex field object with the specified value.
*
* @param value The value.
*/
public ApcomplexField(Apcomplex value)
{
super(value);
}
@Override
public ApcomplexField plus(ApcomplexField that)
{
return new ApcomplexField(value().add(that.value()));
}
@Override
public ApcomplexField opposite()
{
return new ApcomplexField(value().negate());
}
@Override
public ApcomplexField times(ApcomplexField that)
{
return new ApcomplexField(value().multiply(that.value()));
}
@Override
public ApcomplexField inverse()
throws ArithmeticException
{
return new ApcomplexField(ApcomplexMath.inverseRoot(value(), 1));
}
@Override
public ApcomplexField copy()
{
return new ApcomplexField(value());
}
private static final long serialVersionUID = -6242843580910131563L;
}