io.virtdata.basicsmappers.from_long.to_double

Class HashedDoubleRange

java.lang.Object

io.virtdata.basicsmappers.from_long.to_double.HashedDoubleRange

All Implemented Interfaces:

LongToDoubleFunction

public class HashedDoubleRange
extends Object
implements LongToDoubleFunction

This simulates a uniform sample from a range of double values via long hashing. This function attempts to take a double unit interval value from a long/long division over the whole range of long values but via double value types, thus providing a very linear sample. This means that the range of double values to be accessed will not fall along all possible doubles, but will still provide suitable values for ranges close to high-precision points in the IEEE floating point number line. This suffices for most reasonable ranges in practice outside of scientific computing, where large exponents put adjacent IEEE floating point values much further apart.

This should be consider the default double range sampling function for most uses, when the exponent is not needed for readability.

Constructor Summary

Constructors

Constructor and Description
HashedDoubleRange(double min, double max)

Method Summary

Modifier and Type	Method and Description
double	applyAsDouble(long value)

Methods inherited from class java.lang.Object

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

Constructor Detail

HashedDoubleRange

public HashedDoubleRange(double min,
                         double max)

Method Detail

applyAsDouble

public double applyAsDouble(long value)

Specified by:

applyAsDouble in interface LongToDoubleFunction