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allow the possibility to automatically call or not the ctors on a per scalar type basis, and disable automatic initialization of std::complex<>

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This commit is contained in:
Gael Guennebaud
2011-01-26 17:56:49 +01:00
parent 4783748953
commit 1eb85b4cf1
4 changed files with 45 additions and 15 deletions
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24
Eigen/src/Core/util/Memory.h
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@@ -369,6 +369,30 @@ template<typename T, bool Align> inline T* conditional_aligned_realloc_new(T* pt
return result;
}
template<typename T, bool Align> inline T* conditional_aligned_new_auto(size_t size)
{
T *result = reinterpret_cast<T*>(conditional_aligned_malloc<Align>(sizeof(T)*size));
if(NumTraits<T>::RequireInitialization)
construct_elements_of_array(result, size);
return result;
}
template<typename T, bool Align> inline T* conditional_aligned_realloc_new_auto(T* pts, size_t new_size, size_t old_size)
{
T *result = reinterpret_cast<T*>(conditional_aligned_realloc<Align>(reinterpret_cast<void*>(pts), sizeof(T)*new_size, sizeof(T)*old_size));
if (NumTraits<T>::RequireInitialization && (new_size > old_size))
construct_elements_of_array(result+old_size, new_size-old_size);
return result;
}
template<typename T, bool Align> inline void conditional_aligned_delete_auto(T *ptr, size_t size)
{
if(NumTraits<T>::RequireInitialization)
destruct_elements_of_array<T>(ptr, size);
conditional_aligned_free<Align>(ptr);
}
/****************************************************************************/
/** \internal Returns the index of the first element of the array that is well aligned for vectorization.