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Add an explicit assersion on the alignment of the pointer returned by std::malloc

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This commit is contained in:
Gael Guennebaud 2016-02-05 21:38:16 +01:00
parent 62a1c911cd
commit e8e1d504d6
1 changed files with 3 additions and 0 deletions
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Eigen/src/Core/util/Memory.h
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@ -157,6 +157,9 @@ EIGEN_DEVICE_FUNC inline void* aligned_malloc(size_t size)
void *result; void *result;
#if (EIGEN_DEFAULT_ALIGN_BYTES==0) || EIGEN_MALLOC_ALREADY_ALIGNED #if (EIGEN_DEFAULT_ALIGN_BYTES==0) || EIGEN_MALLOC_ALREADY_ALIGNED
result = std::malloc(size); result = std::malloc(size);
#if EIGEN_DEFAULT_ALIGN_BYTES==16
eigen_assert((size<16 || (std::size_t(result)%16)==0) && "System's malloc returned an unaligned pointer. Compile with EIGEN_MALLOC_ALREADY_ALIGNED=0 to fallback to handmade alignd memory allocator.");
#endif
#else #else
result = handmade_aligned_malloc(size); result = handmade_aligned_malloc(size);
#endif #endif