/usr/include/vigra/memory.hxx is in libvigraimpex-dev 1.10.0+dfsg-3ubuntu2.
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/* */
/* Copyright 2002-2003 by Ullrich Koethe, Hans Meine */
/* */
/* This file is part of the VIGRA computer vision library. */
/* The VIGRA Website is */
/* http://hci.iwr.uni-heidelberg.de/vigra/ */
/* Please direct questions, bug reports, and contributions to */
/* ullrich.koethe@iwr.uni-heidelberg.de or */
/* vigra@informatik.uni-hamburg.de */
/* */
/* Permission is hereby granted, free of charge, to any person */
/* obtaining a copy of this software and associated documentation */
/* files (the "Software"), to deal in the Software without */
/* restriction, including without limitation the rights to use, */
/* copy, modify, merge, publish, distribute, sublicense, and/or */
/* sell copies of the Software, and to permit persons to whom the */
/* Software is furnished to do so, subject to the following */
/* conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the */
/* Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES */
/* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND */
/* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT */
/* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, */
/* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING */
/* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR */
/* OTHER DEALINGS IN THE SOFTWARE. */
/* */
/************************************************************************/
#ifndef VIGRA_MEMORY_HXX
#define VIGRA_MEMORY_HXX
#include "metaprogramming.hxx"
namespace vigra {
enum SkipInitializationTag { SkipInitialization};
template<class T>
struct CanSkipInitialization
{
typedef typename TypeTraits<T>::isBuiltinType type;
static const bool value = type::asBool;
};
namespace detail {
// differs from std::uninitialized_copy by explicit type conversion
template <class Src, class Dest>
Dest uninitializedCopy(Src s, Src end, Dest d)
{
typedef typename std::iterator_traits<Dest>::value_type T;
for(; s != end; ++s, ++d)
new(d) T(static_cast<T const &>(*s));
return d;
}
template <class T>
inline void destroy_n(T * /* p */, std::ptrdiff_t /* n */, VigraTrueType /* isPOD */)
{
}
template <class T>
inline void destroy_n(T * p, std::ptrdiff_t n, VigraFalseType /* isPOD */)
{
T * end = p + n;
for(; p != end; ++p)
p->~T();
}
template <class T>
inline void destroy_n(T * p, std::ptrdiff_t n)
{
destroy_n(p, n, typename TypeTraits<T>::isPOD());
}
/********************************************************************/
// g++ 2.95 has std::destroy() in the STL
#if !defined(__GNUC__) || __GNUC__ >= 3
template <class T>
inline void destroy(T * p, VigraTrueType /* isPOD */)
{
}
template <class T>
inline void destroy(T * p, VigraFalseType /* isPOD */)
{
p->~T();
}
template <class T>
inline void destroy(T * p)
{
destroy(p, typename TypeTraits<T>::isPOD());
}
#else
} } // namespace vigra::detail
#include <memory>
namespace vigra { namespace detail {
using std::destroy;
#endif
} } // namespace vigra::detail
#endif // VIGRA_MEMORY_HXX
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