GradientEstimate.cc

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/*
 * $Id: GradientEstimate.cc 37 2013-04-11 10:51:50Z jdl3 $
 * Copyright (C) 2011, 2013 John D Lamb
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifdef HAVE_CONFIG_H
#  include<config.h>
#endif

#include"GradientEstimate.hpp"

using namespace ipo_function;

GradientEstimate::GradientEstimate( size_t const size )
 : FunctionBase( size ){
  functionValue = 0;
}

double
GradientEstimate::value() const {
  return functionValue;
}

gsl::vector
GradientEstimate::gradient() const {
  return functionGradient;
}