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Posted to commits@commons.apache.org by er...@apache.org on 2016/03/25 16:19:27 UTC
[42/53] [math] MATH-1158.
MATH-1158.
Method "createSampler" overridden in "UniformRealDistribution".
Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo
Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/1d5f8faa
Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/1d5f8faa
Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/1d5f8faa
Branch: refs/heads/feature-MATH-1158
Commit: 1d5f8faa87a410fdd1141ad82f270ac238293770
Parents: dff43a0
Author: Gilles <er...@apache.org>
Authored: Sat Mar 12 02:14:04 2016 +0100
Committer: Gilles <er...@apache.org>
Committed: Sat Mar 12 02:14:04 2016 +0100
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.../math4/distribution/UniformRealDistribution.java | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
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http://git-wip-us.apache.org/repos/asf/commons-math/blob/1d5f8faa/src/main/java/org/apache/commons/math4/distribution/UniformRealDistribution.java
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diff --git a/src/main/java/org/apache/commons/math4/distribution/UniformRealDistribution.java b/src/main/java/org/apache/commons/math4/distribution/UniformRealDistribution.java
index 5a54a8b..704aa97 100644
--- a/src/main/java/org/apache/commons/math4/distribution/UniformRealDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/UniformRealDistribution.java
@@ -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;
+ }
+ };
+ }
}