From: Mahmoud Matook
> Sent: Wednesday, August 23, 2023 8:36 PM
...
> I tried to use the relaxed version provided in the shared patchset link
> besides not able to use is_constexpr(), I'm not able to use
> __UNIQUE_ID() also. It's definded inside include/linux/compiler-gcc.h
> and it uses another macro __PASTE() which is defined inside
> include/linux/compiler_types.h.
> not sure what to do next
>
> - bring those macros definitions to able to use the relaxed version.
> - if the most important point for min/max defines inside selftests is to
> avoid multiple evaluation is the below version acceptable?
>
> #define min(x, y) ({ \
> typeof(x) _x = (x); \
> typeof(y) _y = (y); \
> _x < _y ? _x : _y; \
> })
>
> #define max(x, y) ({ \
> typeof(x) _x = (x); \
> typeof(y) _y = (y); \
> _x > _y ? _x : _y; \
> })
Those are a reasonable pair.
If you want a signed-ness check the:
_Static_assert(is_signed_type(typeof(a)) == is_signed_type(typeof(b)), "min/max signednesss")
check should just drop into the above.
David
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