Package ffx.numerics.fft

Class MixedRadixFactor4

java.lang.Object

ffx.numerics.fft.MixedRadixFactor

ffx.numerics.fft.MixedRadixFactor4

public class MixedRadixFactor4
extends MixedRadixFactor

The MixedRadixFactor4 class handles factors of 4 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
MixedRadixFactor4(PassConstants passConstants)	Construct a MixedRadixFactor4.

Method Summary

Modifier and Type	Method	Description
protected void	passScalar(PassData passData)	Handle factors of 4.
protected void	passSIMD(PassData passData)	Handle factors of 4 using SIMD vectors.

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

MixedRadixFactor4

public MixedRadixFactor4(PassConstants passConstants)

Construct a MixedRadixFactor4.

Parameters:

passConstants - PassConstants.

Method Details

passScalar

protected void passScalar(PassData passData)

Handle factors of 4.

Specified by:

passScalar in class MixedRadixFactor

Parameters:

passData - the pass data.

passSIMD

protected void passSIMD(PassData passData)

Handle factors of 4 using SIMD vectors.

Specified by:

passSIMD in class MixedRadixFactor

Parameters:

passData - the pass data.