org.apfloat.internal.IntNTTBuilder Maven / Gradle / Ivy
/*
* Apfloat arbitrary precision arithmetic library
* Copyright (C) 2002-2017 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.internal;
import org.apfloat.spi.NTTStrategy;
import org.apfloat.spi.NTTStepStrategy;
import org.apfloat.spi.Factor3NTTStepStrategy;
import org.apfloat.spi.NTTConvolutionStepStrategy;
/**
* Creates Number Theoretic Transforms for the
* int
type.
*
* @see IntTableFNTStrategy
* @see SixStepFNTStrategy
* @see TwoPassFNTStrategy
* @see Factor3NTTStrategy
*
* @version 1.8.3
* @author Mikko Tommila
*/
public class IntNTTBuilder
extends AbstractNTTBuilder
{
/**
* Default constructor.
*/
public IntNTTBuilder()
{
}
public NTTStepStrategy createNTTSteps()
{
return new IntNTTStepStrategy();
}
public NTTConvolutionStepStrategy createNTTConvolutionSteps()
{
return new IntNTTConvolutionStepStrategy();
}
public Factor3NTTStepStrategy createFactor3NTTSteps()
{
return new IntFactor3NTTStepStrategy();
}
@Override
protected NTTStrategy createSimpleFNTStrategy(long size)
{
return new IntTableFNTStrategy();
}
}