content: /*******************************************************************************
   *     SDR Trunk 
   *     Copyright (C) 2014 Dennis Sheirer
   * 
   *     This program is free software: you can redistribute it and/or modify
   *     it under the terms of the GNU General Public License as published by
   *     the Free Software Foundation, either version 3 of the License, or
   *     (at your option) any later version.
   * 
   *     This program is distributed in the hope that it will be useful,
   *     but WITHOUT ANY WARRANTY; without even the implied warranty of
   *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *     GNU General Public License for more details.
   * 
   *     You should have received a copy of the GNU General Public License
   *     along with this program.  If not, see <http://www.gnu.org/licenses/>
   ******************************************************************************/
  package decoder;
  
  public class FloatAveragingBuffer
  {
  	private float[] mBuffer;
  	private float mAverage = 0.0f;
  	private int mBufferSize;
  	private int mBufferPointer;
  	
  	public FloatAveragingBuffer( int size )
  	{
  		mBufferSize = size;
  		mBuffer = new float[ size ];
  	}
  	
  	public float get( float newValue )
  	{
  		float oldValue = mBuffer[ mBufferPointer ];
  
  		if( Float.isInfinite( newValue ) || Float.isNaN( newValue ) )
  		{
  			mAverage = mAverage - ( oldValue / mBufferSize );
  
  			mBuffer[ mBufferPointer++ ] = 0.0f;
  		}
  		else
  		{
  			mAverage = mAverage - ( oldValue / mBufferSize ) + ( newValue / mBufferSize );
  
  			mBuffer[ mBufferPointer++ ] = newValue;
  		}
  
  		if( mBufferPointer >= mBufferSize )
  		{
  			mBufferPointer = 0;
  		}
  
  		return mAverage;
  	}
  }
  