/usr/include/trilinos/Teuchos_RCPBoostSharedPtrConversionsDecl.hpp is in libtrilinos-teuchos-dev 12.10.1-3.
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#ifndef TEUCHOS_RCP_BOOST_SHAREDPTR_CONVERSIONS_DECL_HPP
#define TEUCHOS_RCP_BOOST_SHAREDPTR_CONVERSIONS_DECL_HPP
#include "Teuchos_RCPDecl.hpp"
#include "boost/shared_ptr.hpp"
namespace Teuchos {
/** \defgroup Teuchos_RCPBoostSharedPtrConversions_grp Conversion utilities for going between Teuchos::RCP and boost::shared_ptr.
The smart pointer classes <tt>Teuchos::RCP</tt> and <tt>boost::shared_ptr</tt>
are easily compatible. The two templated conversion functions
<tt>Teuchos::rcp( const boost::shared_ptr<T> & )</tt> and
<tt>Teuchos::shared_pointer( const RCP<T> & )</tt> have been created for
converting back and forth (see the related non-member functions <tt>rcp()</tt>
and <tt>shared_pointer()</tt> the <tt>RCP</tt> classes' documentation).
\ingroup teuchos_mem_mng_grp
*/
/** \brief <tt>Teuchos::RCP</tt> Deallocator class that wraps a
* <tt>boost::shared_ptr</tt>
*
* \ingroup Teuchos_RCPBoostSharedPtrConversions_grp
*/
template<class T>
class DeallocBoostSharedPtr
{
public:
/** \brief. */
DeallocBoostSharedPtr( const boost::shared_ptr<T> &sptr ) : sptr_(sptr) {}
/** \brief. */
typedef T ptr_t;
/** \brief. */
void free( T* ptr_in ) const { sptr_.reset(); }
/** \brief. */
const boost::shared_ptr<T>& ptr() const { return sptr_; }
private:
mutable boost::shared_ptr<T> sptr_;
DeallocBoostSharedPtr(); // Not defined and not to be called!
};
/** \brief <tt>boost::shared_ptr</tt> deleter class that wraps a
* <tt>Teuchos::RCP</tt>.
*
* \ingroup Teuchos_RCPBoostSharedPtrConversions_grp
*/
template<class T>
class RCPDeleter
{
public:
/** \brief. */
RCPDeleter( const RCP<T> &rcp ) : rcp_(rcp) {}
/** \brief. */
typedef void result_type;
/** \brief. */
typedef T * argument_type;
/** \brief. */
void operator()(T * x) const { rcp_ = null; }
/** \brief. */
const RCP<T>& ptr() const { return rcp_; }
private:
mutable RCP<T> rcp_;
RCPDeleter(); // Not defined and not to be called!
};
/** \brief Conversion function that takes in a <tt>boost::shared_ptr</tt>
* object and spits out a <tt>Teuchos::RCP</tt> object.
*
* If the input <tt>boost::shared_ptr</tt> already wraps a <tt>Teuchos::RCP</tt>
* object, then that <tt>Teuchos::RCP</tt> object will be copied and returned.
*
* This function is not complicated, just look at its defintion below.
*
* \relates RCP
*/
template<class T>
RCP<T> rcp( const boost::shared_ptr<T> &sptr );
/** \brief Conversion function that takes in a <tt>Teuchos::RCP</tt>
* object and spits out a <tt>boost::shared_ptr</tt> object.
*
* If the input <tt>Teuchos::RCP</tt> already wraps a
* <tt>boost::shared_ptr</tt> object, then that <tt>boost::shared_ptr</tt>
* object will be copied and returned.
*
* This function is not complicated, just look at its defintion below.
*
* \relates RCP
*/
template<class T>
boost::shared_ptr<T> shared_pointer( const RCP<T> &rcp );
} // namespace Teuchos
namespace boost {
/** \brief Returns true if <tt>p.get()==NULL</tt>.
*
* \ingroup Teuchos_RCPBoostSharedPtrConversions_grp
*/
template<class T> inline
bool is_null( const boost::shared_ptr<T> &p )
{
return p.get() == 0;
}
/** \brief Returns true if <tt>p.get()!=NULL</tt>.
*
* \ingroup Teuchos_RCPBoostSharedPtrConversions_grp
*/
template<class T> inline
bool nonnull( const boost::shared_ptr<T> &p )
{
return p.get() != 0;
}
} // namespace boost
#endif // TEUCHOS_RCP_BOOST_SHAREDPTR_CONVERSIONS_DECL_HPP
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