org.apfloat.internal.DoubleNTTBuilder Maven / Gradle / Ivy
/*
* MIT License
*
* Copyright (c) 2002-2023 Mikko Tommila
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
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
* double
type.
*
* @see DoubleTableFNTStrategy
* @see SixStepFNTStrategy
* @see TwoPassFNTStrategy
* @see Factor3NTTStrategy
*
* @version 1.8.3
* @author Mikko Tommila
*/
public class DoubleNTTBuilder
extends AbstractNTTBuilder
{
/**
* Default constructor.
*/
public DoubleNTTBuilder()
{
}
@Override
public NTTStepStrategy createNTTSteps()
{
return new DoubleNTTStepStrategy();
}
@Override
public NTTConvolutionStepStrategy createNTTConvolutionSteps()
{
return new DoubleNTTConvolutionStepStrategy();
}
@Override
public Factor3NTTStepStrategy createFactor3NTTSteps()
{
return new DoubleFactor3NTTStepStrategy();
}
@Override
protected NTTStrategy createSimpleFNTStrategy(long size)
{
return new DoubleTableFNTStrategy();
}
}