filterDesign.hpp

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// Copyright (c) 2011 Michael D. Adams
// All rights reserved.

// __START_OF_LICENSE__
// 
// Copyright (c) 2015 Michael D. Adams
// All rights reserved.
// 
// This file is part of the Signal Processing Library (SPL).
// 
// 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,
// 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; see the file LICENSE.  If not,
// see <http://www.gnu.org/licenses/>.
// 
// __END_OF_LICENSE__

#ifndef SPL_filterDesign_hpp
#define SPL_filterDesign_hpp

// Header Files.

#include <SPL/config.hpp>
#include <SPL/Sequence1.hpp>

namespace SPL {

// Basic Filter Design Functions.

RealSequence1 lowpassFilter(double cutoffFreq, double transWidth,
  double maxPassbandRipple = 0.1, double minStopbandAtten = 20.0);

RealSequence1 highpassFilter(double cutoffFreq, double transWidth,
  double maxPassbandRipple = 0.1, double minStopbandAtten = 20.0);

RealSequence1 bandpassFilter(double cutoffFreq0, double cutoffFreq1,
  double transWidth0, double transWidth1, double maxPassbandRipple = 0.1,
  double minStopbandAtten = 20.0);


}

#endif