All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.apfloat.internal.DoubleConvolutionBuilder Maven / Gradle / Ivy

The newest version!
/*
 * 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.ConvolutionStrategy;
import org.apfloat.spi.NTTStrategy;
import static org.apfloat.internal.DoubleConstants.*;

/**
 * Creates convolutions of suitable type for the double type.

* * @see DoubleShortConvolutionStrategy * @see DoubleMediumConvolutionStrategy * @see DoubleKaratsubaConvolutionStrategy * @see ThreeNTTConvolutionStrategy * * @version 1.7.0 * @author Mikko Tommila */ public class DoubleConvolutionBuilder extends AbstractConvolutionBuilder { /** * Default constructor. */ public DoubleConvolutionBuilder() { } @Override protected int getKaratsubaCutoffPoint() { return DoubleKaratsubaConvolutionStrategy.CUTOFF_POINT; } @Override protected float getKaratsubaCostFactor() { return KARATSUBA_COST_FACTOR; } @Override protected float getNTTCostFactor() { return NTT_COST_FACTOR; } @Override protected ConvolutionStrategy createShortConvolutionStrategy(int radix) { return new DoubleShortConvolutionStrategy(radix); } @Override protected ConvolutionStrategy createMediumConvolutionStrategy(int radix) { return new DoubleMediumConvolutionStrategy(radix); } @Override protected ConvolutionStrategy createKaratsubaConvolutionStrategy(int radix) { return new DoubleKaratsubaConvolutionStrategy(radix); } @Override protected ConvolutionStrategy createThreeNTTConvolutionStrategy(int radix, NTTStrategy nttStrategy) { return new ParallelThreeNTTConvolutionStrategy(radix, nttStrategy); } }





© 2015 - 2025 Weber Informatics LLC | Privacy Policy