Utils.h

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// -*- lsst-c++ -*-

/* 
 * LSST Data Management System
 * Copyright 2008, 2009, 2010 LSST Corporation.
 * 
 * This product includes software developed by the
 * LSST Project (http://www.lsst.org/).
 *
 * 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 LSST License Statement and 
 * the GNU General Public License along with this program.  If not, 
 * see <http://www.lsstcorp.org/LegalNotices/>.
 */
 
#ifndef LSST_AFW_IMAGE_UTILS_H
#define LSST_AFW_IMAGE_UTILS_H

#include <list>
#include <map>
#include <string>
#include <utility>

#include "boost/format.hpp"
#include "boost/mpl/bool.hpp"
#include "boost/shared_ptr.hpp"

#include "lsst/afw/image/lsstGil.h"
#include "lsst/daf/base.h"
#include "lsst/daf/base/Citizen.h"
#include "lsst/pex/exceptions.h"
#include "lsst/afw/formatters/ImageFormatter.h"

namespace lsst { namespace afw { namespace image {

PTR(daf::base::PropertySet) readMetadata(std::string const & fileName, int hdu=0, bool strip=false);

template<typename ImageT>
typename ImageT::SinglePixel badPixel(typename ImageT::Pixel bad=0 
                                     ) {
    typedef typename ImageT::SinglePixel SinglePixelT;
    return SinglePixelT(std::numeric_limits<SinglePixelT>::has_quiet_NaN ?
                        std::numeric_limits<SinglePixelT>::quiet_NaN() : bad);
}
            
}}} // namespace lsst::afw::image

#endif