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MATH-1158. 

Method "createSampler" overridden in "UniformRealDistribution".
This commit is contained in:
Gilles 2016-03-12 02:14:04 +01:00
parent dff43a0530
commit 1d5f8faa87
1 changed files with 16 additions and 0 deletions
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16
src/main/java/org/apache/commons/math4/distribution/UniformRealDistribution.java
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@ -22,6 +22,7 @@ import org.apache.commons.math4.exception.OutOfRangeException;
import org.apache.commons.math4.exception.util.LocalizedFormats;
import org.apache.commons.math4.random.RandomGenerator;
import org.apache.commons.math4.random.Well19937c;
import org.apache.commons.math4.rng.UniformRandomProvider;
/**
* Implementation of the uniform real distribution.
@ -83,6 +84,7 @@ public class UniformRealDistribution extends AbstractRealDistribution {
* @throws NumberIsTooLargeException if {@code lower >= upper}.
* @since 3.1
*/
@Deprecated
public UniformRealDistribution(RandomGenerator rng,
double lower,
double upper)
@ -192,8 +194,22 @@ public class UniformRealDistribution extends AbstractRealDistribution {
/** {@inheritDoc} */
@Override
@Deprecated
public double sample() {
final double u = random.nextDouble();
return u * upper + (1 - u) * lower;
}
/** {@inheritDoc} */
@Override
public RealDistribution.Sampler createSampler(final UniformRandomProvider rng) {
return new RealDistribution.Sampler() {
/** {@inheritDoc} */
@Override
public double sample() {
final double u = random.nextDouble();
return u * upper + (1 - u) * lower;
}
};
}
}