package org.djunits.value.vfloat.vector;
   
   import java.util.stream.IntStream;
   
   import org.djunits.value.StorageType;
   import org.djunits.value.ValueException;
   import org.djunits.value.vfloat.FloatFunction;
   
   /**
   * Stores dense data for a FloatVector and carries out basic operations.
   * <p>
   * Copyright (c) 2013-2018 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * </p>
   * $LastChangedDate: 2015-07-24 02:58:59 +0200 (Fri, 24 Jul 2015) $, @version $Revision: 1147 $, by $Author: averbraeck $,
   * initial version Oct 3, 2015 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   */
  public class FloatVectorDataDense extends FloatVectorData
  {
      /**
       * Create a vector with dense data.
       * @param vectorSI the data to store
       */
      public FloatVectorDataDense(final float[] vectorSI)
      {
          super(StorageType.DENSE);
          this.vectorSI = new float[vectorSI.length];
          System.arraycopy(vectorSI, 0, this.vectorSI, 0, vectorSI.length);
      }
  
      /**
       * @param floatFunction the function to apply on the (mutable) data elements
       */
      public final void assign(final FloatFunction floatFunction)
      {
          IntStream.range(0, size()).parallel().forEach(i -> this.vectorSI[i] = floatFunction.apply(this.vectorSI[i]));
      }
  
      /** {@inheritDoc} */
      @Override
      public final FloatVectorDataSparse toSparse()
      {
          return FloatVectorDataSparse.instantiate(this.vectorSI);
      }
  
      /** {@inheritDoc} */
      @Override
      public final int size()
      {
          return this.vectorSI.length;
      }
  
      /** {@inheritDoc} */
      @Override
      public final float getSI(final int index)
      {
          return this.vectorSI[index];
      }
  
      /** {@inheritDoc} */
      @Override
      public final void setSI(final int index, final float valueSI)
      {
          this.vectorSI[index] = valueSI;
      }
  
      /** {@inheritDoc} */
      @Override
      public final float[] getDenseVectorSI()
      {
          return this.vectorSI.clone();
      }
  
      /** {@inheritDoc} */
      @Override
      public final FloatVectorDataDense copy()
      {
          float[] vCopy = new float[this.vectorSI.length];
          System.arraycopy(this.vectorSI, 0, vCopy, 0, this.vectorSI.length);
          return new FloatVectorDataDense(vCopy);
      }
  
      /** {@inheritDoc} */
      @Override
      public final void incrementBy(final FloatVectorData right) throws ValueException
      {
          IntStream.range(0, size()).parallel().forEach(i -> this.vectorSI[i] += right.getSI(i));
      }
  
      /** {@inheritDoc} */
      @Override
      public final void decrementBy(final FloatVectorData right) throws ValueException
      {
          IntStream.range(0, size()).parallel().forEach(i -> this.vectorSI[i] -= right.getSI(i));
      }
  
      /** {@inheritDoc} */
     @Override
     public final void multiplyBy(final FloatVectorData right) throws ValueException
     {
         IntStream.range(0, size()).parallel().forEach(i -> this.vectorSI[i] *= right.getSI(i));
     }
 
     /** {@inheritDoc} */
     @Override
     public final void divideBy(final FloatVectorData right) throws ValueException
     {
         IntStream.range(0, size()).parallel().forEach(i -> this.vectorSI[i] /= right.getSI(i));
     }
 }