Class KISSRandom
java.lang.Object
org.apache.commons.rng.core.BaseProvider
org.apache.commons.rng.core.source32.IntProvider
org.apache.commons.rng.core.source32.KISSRandom
- All Implemented Interfaces:
RandomIntSource,RestorableUniformRandomProvider,UniformRandomProvider
public class KISSRandom extends IntProvider
Port from Marsaglia's
"KISS" algorithm.
This version contains the correction referred to
here
in a reply to the original post.
- Since:
- 1.0
- See Also:
- KISS (Wikipedia)
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Constructor Summary
Constructors Constructor Description KISSRandom(int[] seed)Creates a new instance. -
Method Summary
Modifier and Type Method Description protected byte[]getStateInternal()Creates a snapshot of the RNG state.intnext()protected voidsetStateInternal(byte[] s)Resets the RNG to the givenstate.Methods inherited from class org.apache.commons.rng.core.source32.IntProvider
nextBoolean, nextBytes, nextBytes, nextDouble, nextFloat, nextInt, nextLongMethods inherited from class org.apache.commons.rng.core.BaseProvider
checkIndex, checkStateSize, composeStateInternal, fillState, fillState, nextInt, nextLong, restoreState, saveState, splitStateInternal, toString
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Constructor Details
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KISSRandom
public KISSRandom(int[] seed)Creates a new instance.- Parameters:
seed- Seed. If the length is larger than 4, only the first 4 elements will be used; if smaller, the remaining elements will be automatically set.
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Method Details
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getStateInternal
protected byte[] getStateInternal()Creates a snapshot of the RNG state.- Overrides:
getStateInternalin classIntProvider- Returns:
- the internal state.
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setStateInternal
protected void setStateInternal(byte[] s)Resets the RNG to the givenstate.- Overrides:
setStateInternalin classIntProvider- Parameters:
s- State (previously obtained by a call toBaseProvider.getStateInternal()).- See Also:
BaseProvider.checkStateSize(byte[],int)
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next
public int next()- Returns:
- the next random value.
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