BilinearWeakExpression.h

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/* This file is part of MoDELib, the Mechanics Of Defects Evolution Library.
 *
 *
 * MoDELib is distributed without any warranty under the
 * GNU General Public License (GPL) v2 <http://www.gnu.org/licenses/>.
 */
 
#ifndef model_BilinearWeakExpression_H_
#define model_BilinearWeakExpression_H_
 
namespace model
{
 
    template <typename Derived>
        struct BilinearWeakExpression
    {
 
        Derived& derived()
        {
            return *static_cast<Derived*>(this);
        }
 
        Derived* p_derived()
        {
            return  static_cast<Derived*>(this);
        }
 
        const Derived& derived() const
        {
            return *static_cast<const Derived*>(this);
        }
 
        const Derived* p_derived() const
        {
            return  static_cast<const Derived*>(this);
        }
 
        operator const Derived&() const
        {
            return derived();
        }
 
    };
 
}
#endif