traits.h

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/* 
 * 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/>.
 */
 
#if !defined(LSST_AFW_MATH_KERNEL_TRAITS_H)
#define LSST_AFW_MATH_KERNEL_TRAITS_H 1

#include "boost/mpl/bool.hpp"
namespace lsst {
namespace afw {
namespace math {
    class AnalyticKernel;

    template<typename KernelT>
    struct is_analyticKernel {
        BOOST_STATIC_CONSTANT(bool, value=false);
    };

    template<typename KernelT>
    struct is_analyticKernel<KernelT *> : public is_analyticKernel<KernelT> {
    };

    template<typename KernelT>
    struct is_analyticKernel<boost::shared_ptr<KernelT> > : public is_analyticKernel<KernelT> {
    };

    template<>
    struct is_analyticKernel<AnalyticKernel> {
        BOOST_STATIC_CONSTANT(bool, value=true);
    };

/************************************************************************************************************/

    struct generic_kernel_tag {generic_kernel_tag(){}};        
    struct deltafunction_kernel_tag : public generic_kernel_tag {deltafunction_kernel_tag(){}}; 

    template<typename KernelT>
    struct kernel_traits {
        typedef typename KernelT::kernel_fill_factor kernel_fill_factor; 
    };

    extern generic_kernel_tag generic_kernel_tag_;
    extern deltafunction_kernel_tag deltafunction_kernel_tag_;
}}} // lsst::afw::math

#endif