MATH-1158. Syntactic sugar.
Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/7530b4bd Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/7530b4bd Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/7530b4bd Branch: refs/heads/feature-MATH-1158 Commit: 7530b4bdceef0ef37af252f0b97978554fb9b99f Parents: 6c94c16 Author: Gilles <er...@apache.org> Authored: Fri Mar 11 04:14:57 2016 +0100 Committer: Gilles <er...@apache.org> Committed: Fri Mar 11 04:14:57 2016 +0100 ---------------------------------------------------------------------- .../distribution/AbstractRealDistribution.java | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/commons-math/blob/7530b4bd/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java ---------------------------------------------------------------------- diff --git a/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java b/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java index 4afdb6d..f584253 100644 --- a/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java +++ b/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java @@ -281,6 +281,23 @@ public abstract class AbstractRealDistribution return FastMath.log(density(x)); } + /** + * Utility function for allocating an array and filling it with {@code n} + * samples generated by the given {@code sampler}. + * + * @param n Number of samples. + * @param sampler Sampler. + * @return an array of size {@code n}. + */ + public static double[] sample(int n, + RealDistribution.Sampler sampler) { + final double[] samples = new double[n]; + for (int i = 0; i < n; i++) { + samples[i] = sampler.sample(); + } + return samples; + } + /**{@inheritDoc} */ @Override public RealDistribution.Sampler createSampler(final UniformRandomProvider rng) {
