X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/contrib/spellchecker/src/test/org/apache/lucene/search/suggest/Average.java diff --git a/lucene-java-3.4.0/lucene/contrib/spellchecker/src/test/org/apache/lucene/search/suggest/Average.java b/lucene-java-3.4.0/lucene/contrib/spellchecker/src/test/org/apache/lucene/search/suggest/Average.java deleted file mode 100644 index fa3241d..0000000 --- a/lucene-java-3.4.0/lucene/contrib/spellchecker/src/test/org/apache/lucene/search/suggest/Average.java +++ /dev/null @@ -1,70 +0,0 @@ -package org.apache.lucene.search.suggest; - - -/** - * 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. - */ - -import java.util.List; -import java.util.Locale; - -/** - * Average with standard deviation. - */ -final class Average -{ - /** - * Average (in milliseconds). - */ - public final double avg; - - /** - * Standard deviation (in milliseconds). - */ - public final double stddev; - - /** - * - */ - Average(double avg, double stddev) - { - this.avg = avg; - this.stddev = stddev; - } - - public String toString() - { - return String.format(Locale.ENGLISH, "%.0f [+- %.2f]", - avg, stddev); - } - - static Average from(List values) - { - double sum = 0; - double sumSquares = 0; - - for (double l : values) - { - sum += l; - sumSquares += l * l; - } - - double avg = sum / (double) values.size(); - return new Average( - (sum / (double) values.size()), - Math.sqrt(sumSquares / (double) values.size() - avg * avg)); - } -} \ No newline at end of file