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| author | David Herrmann <dh.herrmann@gmail.com> | 2014-06-30 15:43:40 +0200 |
|---|---|---|
| committer | David Herrmann <dh.herrmann@gmail.com> | 2014-07-11 16:43:53 +0200 |
| commit | 7df23077e45e55a6fc15eb99fe2ae439678e37e0 (patch) | |
| tree | 2cecc5cd1ae73b62ca22a9df52878ee17f05db8a | |
| parent | 3b1a55e110ab387a8d213581983e20c0a63d7894 (diff) | |
shared: add MIN3 macro
This is like MIN but evaluates 3 arguments. We already have MAX3, so add
the equivalent for MIN.
| -rw-r--r-- | src/shared/macro.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/shared/macro.h b/src/shared/macro.h index 32cf714857..70c5fb50a7 100644 --- a/src/shared/macro.h +++ b/src/shared/macro.h @@ -154,6 +154,12 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) { _a < _b ? _a : _b; \ }) +#define MIN3(x,y,z) \ + __extension__ ({ \ + typeof(x) _c = MIN(x,y); \ + MIN(_c, z); \ + }) + #define LESS_BY(A,B) \ __extension__ ({ \ typeof(A) _A = (A); \ |