content: /*
   * 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 network.aika.utils;
  
  /**
   *
   * @author Lukas Molzberger
   */
  public class ToleranceUtils {
  
      public static double TOLERANCE = 0.001;
  
  
      public static double sum(double[] a) {
          double sum = 0;
          for(int i = 0; i < a.length; i++)
              sum += a[i];
          return sum;
      }
  
      public static boolean belowTolerance(Double tolerance, double[] x) {
          if(x == null)
              return true;
  
          if(tolerance == null)
              return false;
  
          return Math.abs(sum(x)) < tolerance;
      }
  
      public static boolean belowTolerance(Double tolerance, double x) {
          if(x == 0.0)
              return true;
  
          if(tolerance == null)
              return false;
  
          return Math.abs(x) < tolerance;
      }
  }
  