package org.djunits.demo.website;
   
   import org.djunits.unit.DurationUnit;
   import org.djunits.unit.LengthUnit;
   import org.djunits.unit.SpeedUnit;
   import org.djunits.value.ValueRuntimeException;
   import org.djunits.value.storage.StorageType;
   import org.djunits.value.vdouble.scalar.Duration;
   import org.djunits.value.vdouble.scalar.Length;
  import org.djunits.value.vdouble.scalar.Speed;
  import org.djunits.value.vdouble.vector.base.DoubleVector;
  
  /**
   * <p>
   * Copyright (c) 2013-2019 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="https://djunits.org/docs/license.html">DJUNITS License</a>.
   * </p>
   * @author <a href="https://www.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="https://www.tudelft.nl/staff/p.knoppers/">Peter Knoppers</a>
   * @author <a href="https://www.transport.citg.tudelft.nl">Wouter Schakel</a>
   */
  public final class Test
  {
      /** Furlong example. */
      public static final LengthUnit FURLONG = LengthUnit.FOOT.deriveLinear(660.0, "fr", "Furlong");
  
      /** Fortnight example. */
      public static final DurationUnit FORTNIGHT = DurationUnit.DAY.deriveLinear(14.0, "fn", "Fortnight");
  
      /** fr/fn example. */
      public static final SpeedUnit FURLONGS_PER_FORTNIGHT =
              SpeedUnit.SI.deriveLinear(FURLONG.getScale().toStandardUnit(1.0) / FORTNIGHT.getScale().toStandardUnit(1.0),
                      "fr/fn", "Furlongs per Fortnight");
  
      /** */
      private Test()
      {
          // utility class
      }
  
      /**
       * @param args String[]; args
       * @throws ValueRuntimeException on error
       */
      public static void main(final String[] args) throws ValueRuntimeException
      {
          Length fr1000 = new Length(1000.0, FURLONG);
          Duration twoWeeks = new Duration(1.0, FORTNIGHT);
          Speed speed = fr1000.divide(twoWeeks);
          System.out.println(speed);
          System.out.println(speed.toString(FURLONGS_PER_FORTNIGHT));
          System.out.println();
  
          JerkJerk.html#Jerk">Jerk jerk1 = new Jerk(1.2, JerkUnit.SI);
          System.out.println("jerk1 = Jerk(1.2, JerkUnit.SI) : " + jerk1);
          Jerk jerk2 = jerk1.times(2.0);
          System.out.println("jerk2 = jerk1.multiplyBy(2.0)                    : " + jerk2);
          double[] sv = new double[] {1, 2, 3, 4, 5};
          JerkVector jerkVector = DoubleVector.instantiate(sv, JerkUnit.SI, StorageType.DENSE);
          System.out.println("jerkVector: : " + jerkVector);
  
          Jerkerk.html#Jerk">Jerk jjerk1 = new Jerk(1.2, JerkUnit.SI);
          System.out.println("jerk1 = new Jerk(1.2, JerkUnit.SI) : " + jjerk1);
          Jerk jjerk2 = jjerk1.times(2.0);
          System.out.println("jerk2 = jerk1.multiplyBy(2.0)      : " + jjerk2);
  
          double[][] data = new double[1000][1000];
          for (int i = 0; i < 1000; i++)
          {
              for (int j = 0; j < 1000; j++)
              {
                  data[i][j] = 9 * i + 2 * j * 0.364;
              }
          }
      }
  
  }