RNG-35: Use "BoxMullerNormalizedGaussianSampler" as building block for other samplers.
Project: http://git-wip-us.apache.org/repos/asf/commons-rng/repo Commit: http://git-wip-us.apache.org/repos/asf/commons-rng/commit/94f08432 Tree: http://git-wip-us.apache.org/repos/asf/commons-rng/tree/94f08432 Diff: http://git-wip-us.apache.org/repos/asf/commons-rng/diff/94f08432 Branch: refs/heads/master Commit: 94f084324a99f4f84464ad3b5574a84adc1028e9 Parents: 3b4b798 Author: Gilles <er...@apache.org> Authored: Tue Jan 24 00:20:07 2017 +0100 Committer: Gilles <er...@apache.org> Committed: Tue Jan 24 00:20:07 2017 +0100 ---------------------------------------------------------------------- .../distribution/AhrensDieterMarsagliaTsangGammaSampler.java | 4 ++-- .../rng/sampling/distribution/BoxMullerLogNormalSampler.java | 4 ++-- .../apache/commons/rng/sampling/distribution/PoissonSampler.java | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/commons-rng/blob/94f08432/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/AhrensDieterMarsagliaTsangGammaSampler.java ---------------------------------------------------------------------- diff --git a/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/AhrensDieterMarsagliaTsangGammaSampler.java b/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/AhrensDieterMarsagliaTsangGammaSampler.java index ef5243a..180b531 100644 --- a/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/AhrensDieterMarsagliaTsangGammaSampler.java +++ b/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/AhrensDieterMarsagliaTsangGammaSampler.java @@ -47,7 +47,7 @@ public class AhrensDieterMarsagliaTsangGammaSampler /** The alpha parameter. */ private final double alpha; /** Gaussian sampling. */ - private final BoxMullerGaussianSampler gaussian; + private final NormalizedGaussianSampler gaussian; /** * @param rng Generator of uniformly distributed random numbers. @@ -60,7 +60,7 @@ public class AhrensDieterMarsagliaTsangGammaSampler super(rng); this.alpha = alpha; this.theta = theta; - gaussian = new BoxMullerGaussianSampler(rng, 0, 1); + gaussian = new BoxMullerNormalizedGaussianSampler(rng); } /** {@inheritDoc} */ http://git-wip-us.apache.org/repos/asf/commons-rng/blob/94f08432/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/BoxMullerLogNormalSampler.java ---------------------------------------------------------------------- diff --git a/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/BoxMullerLogNormalSampler.java b/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/BoxMullerLogNormalSampler.java index f43a9e5..354b8d4 100644 --- a/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/BoxMullerLogNormalSampler.java +++ b/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/BoxMullerLogNormalSampler.java @@ -30,7 +30,7 @@ public class BoxMullerLogNormalSampler /** Shape. */ private final double shape; /** Gaussian sampling. */ - private final BoxMullerGaussianSampler gaussian; + private final NormalizedGaussianSampler gaussian; /** * @param rng Generator of uniformly distributed random numbers. @@ -43,7 +43,7 @@ public class BoxMullerLogNormalSampler super(null); // Not used. this.scale = scale; this.shape = shape; - gaussian = new BoxMullerGaussianSampler(rng, 0, 1); + gaussian = new BoxMullerNormalizedGaussianSampler(rng); } /** {@inheritDoc} */ http://git-wip-us.apache.org/repos/asf/commons-rng/blob/94f08432/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/PoissonSampler.java ---------------------------------------------------------------------- diff --git a/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/PoissonSampler.java b/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/PoissonSampler.java index f189a92..d872be9 100644 --- a/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/PoissonSampler.java +++ b/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/PoissonSampler.java @@ -46,7 +46,7 @@ public class PoissonSampler /** Exponential. */ private final ContinuousSampler exponential; /** Gaussian. */ - private final ContinuousSampler gaussian; + private final NormalizedGaussianSampler gaussian; /** {@code log(n!)}. */ private final InternalUtils.FactorialLog factorialLog; @@ -64,7 +64,7 @@ public class PoissonSampler this.mean = mean; - gaussian = new BoxMullerGaussianSampler(rng, 0, 1); + gaussian = new BoxMullerNormalizedGaussianSampler(rng); exponential = new AhrensDieterExponentialSampler(rng, 1); factorialLog = mean < PIVOT ? null : // Not used.
