Package org.apfloat.aparapi

Class LongAparapiFactor3NTTStepStrategy

java.lang.Object

org.apfloat.internal.LongElementaryModMath

org.apfloat.internal.LongModMath

org.apfloat.internal.LongFactor3NTTStepStrategy

org.apfloat.aparapi.LongAparapiFactor3NTTStepStrategy

All Implemented Interfaces:

Parallelizable, Factor3NTTStepStrategy

public class LongAparapiFactor3NTTStepStrategy
extends LongFactor3NTTStepStrategy

Steps for the factor-3 NTT using the GPU, for the long element type.

Since:

1.8.3

Version:

1.8.3

Author:

Mikko Tommila

Constructor Summary

Constructors

Constructor	Description
LongAparapiFactor3NTTStepStrategy()

Method Summary

Modifier and Type	Method	Description
void	transformColumns(DataStorage dataStorage0, DataStorage dataStorage1, DataStorage dataStorage2, long startColumn, long columns, long power2length, long length, boolean isInverse, int modulus)	Transform the columns of a matrix using a 3-point transform.

Methods inherited from class org.apfloat.internal.LongFactor3NTTStepStrategy

createColumnTransformParallelRunnable, getMaxTransformLength

Methods inherited from class org.apfloat.internal.LongModMath

createWTable, getForwardNthRoot, getInverseNthRoot, modDivide, modInverse, modPow, negate

Methods inherited from class org.apfloat.internal.LongElementaryModMath

getModulus, modAdd, modMultiply, modSubtract, setModulus

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

LongAparapiFactor3NTTStepStrategy

public LongAparapiFactor3NTTStepStrategy()

Method Details

transformColumns

public void transformColumns(DataStorage dataStorage0,
 DataStorage dataStorage1,
 DataStorage dataStorage2,
 long startColumn,
 long columns,
 long power2length,
 long length,
 boolean isInverse,
 int modulus)
                      throws ApfloatRuntimeException

Description copied from interface: Factor3NTTStepStrategy

Transform the columns of a matrix using a 3-point transform.

Specified by:

transformColumns in interface Factor3NTTStepStrategy

Overrides:

transformColumns in class LongFactor3NTTStepStrategy

Parameters:

dataStorage0 - The data of the first column.

dataStorage1 - The data of the second column.

dataStorage2 - The data of the third column.

startColumn - The starting element index in the data storages to transform.

columns - How many columns to transform.

power2length - Length of the column transform.

length - Length of total transform (three times the length of one column).

isInverse - true if an inverse transform is performed, false if a forward transform is performed.

modulus - Index of the modulus.

Throws:

ApfloatRuntimeException