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High performance scientific and technical computing data structures and methods, mostly based on CERN's Colt Java API

There is a newer version: 0.13.0

/**
 * 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.
 */

/*
Copyright 1999 CERN - European Organization for Nuclear Research.
Permission to use, copy, modify, distribute and sell this software and its documentation for any purpose 
is hereby granted without fee, provided that the above copyright notice appear in all copies and 
that both that copyright notice and this permission notice appear in supporting documentation. 
CERN makes no representations about the suitability of this software for any purpose. 
It is provided "as is" without expressed or implied warranty.
*/
package org.apache.mahout.math.jet.math;

/**
 * Defines some useful constants.
 */
public final class Constants {

  public static final double MACHEP = 1.11022302462515654042E-16;
  public static final double MAXLOG = 7.09782712893383996732E2;
  public static final double MINLOG = -7.451332191019412076235E2;
  public static final double MAXGAM = 171.624376956302725;
  public static final double SQTPI = 2.50662827463100050242E0;
  public static final double LOGPI = 1.14472988584940017414;

  public static final double BIG = 4.503599627370496e15;
  public static final double BIG_INVERSE = 2.22044604925031308085e-16;

  public static final double EPSILON = 1.0E-6;

  private Constants() {
  }
}