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authorRaymond <siuchow@google.com>2015-04-02 10:43:13 -0700
committerRaymond <siuchow@google.com>2015-04-02 10:43:13 -0700
commitdee0849a9704d532af0b550146cbafbaa6ee1d19 (patch)
tree8ccce3a046c214fb609977b7fc53c40cef7f9ea5 /src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java
parent55b0a5efc929efa9615babd3e760547f94e3518e (diff)
downloadapache-commons-math-marshmallow-dr1.6-release.tar.gz
third party library: apache-commons-mathandroid-cts-6.0_r9android-cts-6.0_r8android-cts-6.0_r7android-cts-6.0_r6android-cts-6.0_r5android-cts-6.0_r4android-cts-6.0_r32android-cts-6.0_r31android-cts-6.0_r30android-cts-6.0_r3android-cts-6.0_r29android-cts-6.0_r28android-cts-6.0_r27android-cts-6.0_r26android-cts-6.0_r25android-cts-6.0_r24android-cts-6.0_r23android-cts-6.0_r22android-cts-6.0_r21android-cts-6.0_r20android-cts-6.0_r2android-cts-6.0_r19android-cts-6.0_r18android-cts-6.0_r17android-cts-6.0_r16android-cts-6.0_r15android-cts-6.0_r14android-cts-6.0_r13android-cts-6.0_r12android-cts-6.0_r1android-6.0.1_r9android-6.0.1_r81android-6.0.1_r80android-6.0.1_r8android-6.0.1_r79android-6.0.1_r78android-6.0.1_r77android-6.0.1_r74android-6.0.1_r73android-6.0.1_r72android-6.0.1_r70android-6.0.1_r7android-6.0.1_r69android-6.0.1_r68android-6.0.1_r67android-6.0.1_r66android-6.0.1_r65android-6.0.1_r63android-6.0.1_r62android-6.0.1_r61android-6.0.1_r60android-6.0.1_r59android-6.0.1_r58android-6.0.1_r57android-6.0.1_r56android-6.0.1_r55android-6.0.1_r54android-6.0.1_r53android-6.0.1_r52android-6.0.1_r51android-6.0.1_r50android-6.0.1_r5android-6.0.1_r49android-6.0.1_r48android-6.0.1_r47android-6.0.1_r46android-6.0.1_r45android-6.0.1_r43android-6.0.1_r42android-6.0.1_r41android-6.0.1_r40android-6.0.1_r4android-6.0.1_r33android-6.0.1_r32android-6.0.1_r31android-6.0.1_r30android-6.0.1_r3android-6.0.1_r28android-6.0.1_r27android-6.0.1_r26android-6.0.1_r25android-6.0.1_r24android-6.0.1_r22android-6.0.1_r21android-6.0.1_r20android-6.0.1_r18android-6.0.1_r17android-6.0.1_r16android-6.0.1_r13android-6.0.1_r12android-6.0.1_r11android-6.0.1_r10android-6.0.1_r1android-6.0.0_r7android-6.0.0_r6android-6.0.0_r5android-6.0.0_r41android-6.0.0_r4android-6.0.0_r3android-6.0.0_r26android-6.0.0_r25android-6.0.0_r24android-6.0.0_r23android-6.0.0_r2android-6.0.0_r13android-6.0.0_r12android-6.0.0_r11android-6.0.0_r1marshmallow-releasemarshmallow-mr3-releasemarshmallow-mr2-releasemarshmallow-mr1-releasemarshmallow-mr1-devmarshmallow-dr1.6-releasemarshmallow-dr1.5-releasemarshmallow-dr1.5-devmarshmallow-dr-releasemarshmallow-dr-dragon-releasemarshmallow-dr-devmarshmallow-devmarshmallow-cts-release
Change-Id: I52a325624a7f0dd652b362a9840626d6d9f3c42b
Diffstat (limited to 'src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java')
-rw-r--r--src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java69
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diff --git a/src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java b/src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java
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+++ b/src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java
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+/*
+ * 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.math.distribution;
+
+import java.io.Serializable;
+
+import org.apache.commons.math.MathException;
+import org.apache.commons.math.MathRuntimeException;
+import org.apache.commons.math.exception.util.LocalizedFormats;
+
+/**
+ * Base class for probability distributions.
+ *
+ * @version $Revision: 1054524 $ $Date: 2011-01-03 05:59:18 +0100 (lun. 03 janv. 2011) $
+ */
+public abstract class AbstractDistribution
+ implements Distribution, Serializable {
+
+ /** Serializable version identifier */
+ private static final long serialVersionUID = -38038050983108802L;
+
+ /**
+ * Default constructor.
+ */
+ protected AbstractDistribution() {
+ super();
+ }
+
+ /**
+ * For a random variable X whose values are distributed according
+ * to this distribution, this method returns P(x0 &le; X &le; x1).
+ * <p>
+ * The default implementation uses the identity</p>
+ * <p>
+ * P(x0 &le; X &le; x1) = P(X &le; x1) - P(X &le; x0) </p>
+ *
+ * @param x0 the (inclusive) lower bound
+ * @param x1 the (inclusive) upper bound
+ * @return the probability that a random variable with this distribution
+ * will take a value between <code>x0</code> and <code>x1</code>,
+ * including the endpoints.
+ * @throws MathException if the cumulative probability can not be
+ * computed due to convergence or other numerical errors.
+ * @throws IllegalArgumentException if <code>x0 > x1</code>
+ */
+ public double cumulativeProbability(double x0, double x1)
+ throws MathException {
+ if (x0 > x1) {
+ throw MathRuntimeException.createIllegalArgumentException(
+ LocalizedFormats.LOWER_ENDPOINT_ABOVE_UPPER_ENDPOINT,
+ x0, x1);
+ }
+ return cumulativeProbability(x1) - cumulativeProbability(x0);
+ }
+}