summaryrefslogtreecommitdiff
path: root/src/main/java/org/apache/commons/math3/random/GaussianRandomGenerator.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/main/java/org/apache/commons/math3/random/GaussianRandomGenerator.java')
-rw-r--r--src/main/java/org/apache/commons/math3/random/GaussianRandomGenerator.java49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math3/random/GaussianRandomGenerator.java b/src/main/java/org/apache/commons/math3/random/GaussianRandomGenerator.java
new file mode 100644
index 0000000..33eec56
--- /dev/null
+++ b/src/main/java/org/apache/commons/math3/random/GaussianRandomGenerator.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.commons.math3.random;
+
+/**
+ * This class is a gaussian normalized random generator for scalars.
+ *
+ * <p>This class is a simple wrapper around the {@link RandomGenerator#nextGaussian} method.
+ *
+ * @since 1.2
+ */
+public class GaussianRandomGenerator implements NormalizedRandomGenerator {
+
+ /** Underlying generator. */
+ private final RandomGenerator generator;
+
+ /**
+ * Create a new generator.
+ *
+ * @param generator underlying random generator to use
+ */
+ public GaussianRandomGenerator(final RandomGenerator generator) {
+ this.generator = generator;
+ }
+
+ /**
+ * Generate a random scalar with null mean and unit standard deviation.
+ *
+ * @return a random scalar with null mean and unit standard deviation
+ */
+ public double nextNormalizedDouble() {
+ return generator.nextGaussian();
+ }
+}