Package org.apfloat.aparapi

Class IntAparapiFactor3NTTStepStrategy

java.lang.Object

org.apfloat.internal.IntElementaryModMath

org.apfloat.internal.IntModMath

org.apfloat.internal.IntFactor3NTTStepStrategy

org.apfloat.aparapi.IntAparapiFactor3NTTStepStrategy

All Implemented Interfaces:

Parallelizable, Factor3NTTStepStrategy

public class IntAparapiFactor3NTTStepStrategy
extends IntFactor3NTTStepStrategy

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

Since:

1.8.3

Version:

1.8.3

Author:

Mikko Tommila

Constructor Summary

Constructors

Constructor	Description
IntAparapiFactor3NTTStepStrategy()

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.IntFactor3NTTStepStrategy

createColumnTransformParallelRunnable, getMaxTransformLength

Methods inherited from class org.apfloat.internal.IntModMath

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

Methods inherited from class org.apfloat.internal.IntElementaryModMath

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

IntAparapiFactor3NTTStepStrategy

public IntAparapiFactor3NTTStepStrategy()

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 IntFactor3NTTStepStrategy

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