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fix memory leak (when conservatively resizing vectors of dynamically allocated scalar types such as bugnums)

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This commit is contained in:
Gael Guennebaud 2011-02-07 19:52:16 +01:00
parent ba9f6a2c3b
commit 40526e24b4
1 changed files with 6 additions and 2 deletions
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8
Eigen/src/Core/util/Memory.h
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@ -363,8 +363,10 @@ template<typename T, bool Align> inline void conditional_aligned_delete(T *ptr,
template<typename T, bool Align> inline T* conditional_aligned_realloc_new(T* pts, size_t new_size, size_t old_size)
{
if(new_size < old_size)
destruct_elements_of_array(pts+new_size, old_size-new_size);
T *result = reinterpret_cast<T*>(conditional_aligned_realloc<Align>(reinterpret_cast<void*>(pts), sizeof(T)*new_size, sizeof(T)*old_size));
if (new_size > old_size)
if(new_size > old_size)
construct_elements_of_array(result+old_size, new_size-old_size);
return result;
}
@ -380,8 +382,10 @@ template<typename T, bool Align> inline T* conditional_aligned_new_auto(size_t s
template<typename T, bool Align> inline T* conditional_aligned_realloc_new_auto(T* pts, size_t new_size, size_t old_size)
{
if(NumTraits<T>::RequireInitialization && (new_size < old_size))
destruct_elements_of_array(pts+new_size, old_size-new_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))
if(NumTraits<T>::RequireInitialization && (new_size > old_size))
construct_elements_of_array(result+old_size, new_size-old_size);
return result;
}