Package ffx.numerics.fft

Class MixedRadixFactorPrime

java.lang.Object

ffx.numerics.fft.MixedRadixFactor

ffx.numerics.fft.MixedRadixFactorPrime

public class MixedRadixFactorPrime
extends MixedRadixFactor

The MixedRadixFactorPrime class handles prime factors in the FFT.

Field Summary

Fields inherited from class ffx.numerics.fft.MixedRadixFactor

BLOCK_LOOP, BLOCK_LOOP_128, BLOCK_LOOP_256, BLOCK_LOOP_512, di, dj, DOUBLE_SPECIES, factor, ii, im, innerLoopLimit, jstep, LENGTH, LENGTH_128, LENGTH_256, LENGTH_512, LOOP, LOOP_128, LOOP_256, LOOP_512, n, NEGATE_IM, NEGATE_IM_128, NEGATE_IM_256, NEGATE_IM_512, NEGATE_RE, NEGATE_RE_128, NEGATE_RE_256, NEGATE_RE_512, nextInput, nFFTs, outerLoopLimit, product, SHUFFLE_RE_IM, SHUFFLE_RE_IM_128, SHUFFLE_RE_IM_256, SHUFFLE_RE_IM_512, twiddles

Constructor Summary

Constructors

Constructor	Description
MixedRadixFactorPrime(PassConstants passConstants)	Construct a MixedRadixFactorPrime.

Method Summary

Modifier and Type	Method	Description
protected void	passScalar(PassData passData)	Handle a general prime number.
protected void	passSIMD(PassData passData)	There is no SIMD support for general prime numbers, so the scalar method is used.

Methods inherited from class ffx.numerics.fft.MixedRadixFactor

multiplyAndStore, toString

Methods inherited from class java.lang.Object

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

Constructor Details

MixedRadixFactorPrime

public MixedRadixFactorPrime(PassConstants passConstants)

Construct a MixedRadixFactorPrime.

Parameters:

passConstants - PassConstants.

Method Details

passScalar

protected void passScalar(PassData passData)

Handle a general prime number.

Specified by:

passScalar in class MixedRadixFactor

Parameters:

passData - the pass data.

passSIMD

protected void passSIMD(PassData passData)

There is no SIMD support for general prime numbers, so the scalar method is used.

Specified by:

passSIMD in class MixedRadixFactor

Parameters:

passData - the pass data.