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Merge OpenVMS 64 bit patch for hash. Fixes #4477.

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[SVN r64869]
This commit is contained in:
Daniel James
2010-08-17 20:00:17 +00:00
parent 76e621bddd
commit 2f1946c541
1 changed files with 7 additions and 1 deletions
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8
include/boost/functional/hash/hash.hpp
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@@ -209,9 +209,15 @@ namespace boost
template <class T> std::size_t hash_value(T* v) template <class T> std::size_t hash_value(T* v)
#endif #endif
{ {
#if defined(__VMS) && __INITIAL_POINTER_SIZE == 64
// for some reason ptrdiff_t on OpenVMS compiler with
// 64 bit is not 64 bit !!!
std::size_t x = static_cast<std::size_t>(
reinterpret_cast<long long int>(v));
#else
std::size_t x = static_cast<std::size_t>( std::size_t x = static_cast<std::size_t>(
reinterpret_cast<std::ptrdiff_t>(v)); reinterpret_cast<std::ptrdiff_t>(v));
#endif
return x + (x >> 3); return x + (x >> 3);
} }