Re: [eigen] portable reallocation...

[Hauke Heibel <hauke.heibel@xxxxxxxxxxxxxx>]

Here is a new patch. I found the navigation in Memory.h a little
complex so I tried to reorder the functions in order to achieve
better/cleaner grouping.

- Hauke

On Sun, Feb 28, 2010 at 11:55 AM, Hauke Heibel
<hauke.heibel@xxxxxxxxxxxxxx> wrote:
> So, how about this one (a single handmade version):
>
> inline void* ei_new_handmade_aligned_realloc(void* ptr, size_t size,
> size_t old_size)
> {
>  if (ptr==0)
>    return ei_aligned_malloc(size);
>
>  if (size==0)
>  {
>    ei_aligned_free(ptr);
>    return 0;
>  }
>
>  void* newptr = ei_aligned_malloc(size,16);
>  if (newptr == 0)
>  {
>    /*errno = ENOMEM;*/ // according to the standard we should set
> errno = ENOMEM
>    return 0;
>  }
>
>  if (ptr != 0)
>  {
>    std::memcpy(newptr, ptr, std::min(size,old_size));
>    ei_aligned_free(ptr);
>  }
>
>  return newptr;
> }
>
> - Hauke
>

Attachment: mem_cleanup.patch
Description: Binary data