From: Marek Olšák Date: Wed, 27 Apr 2011 10:54:24 +0000 (+0200) Subject: util: make macros MIN3, MAX3, MIN4, MAX4 little more efficient X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b8de75d53760fb359d10d6f4794f28097210cef4;p=mesa.git util: make macros MIN3, MAX3, MIN4, MAX4 little more efficient --- diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index e3d4c06b6f9..dad6a101fd7 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -581,11 +581,11 @@ util_bswap16(uint16_t n) #define MIN2( A, B ) ( (A)<(B) ? (A) : (B) ) #define MAX2( A, B ) ( (A)>(B) ? (A) : (B) ) -#define MIN3( A, B, C ) MIN2( MIN2( A, B ), C ) -#define MAX3( A, B, C ) MAX2( MAX2( A, B ), C ) +#define MIN3( A, B, C ) ((A) < (B) ? MIN2(A, C) : MIN2(B, C)) +#define MAX3( A, B, C ) ((A) > (B) ? MAX2(A, C) : MAX2(B, C)) -#define MIN4( A, B, C, D ) MIN2( MIN2( A, B ), MIN2(C, D) ) -#define MAX4( A, B, C, D ) MAX2( MAX2( A, B ), MAX2(C, D) ) +#define MIN4( A, B, C, D ) ((A) < (B) ? MIN3(A, C, D) : MIN3(B, C, D)) +#define MAX4( A, B, C, D ) ((A) > (B) ? MAX3(A, C, D) : MAX3(B, C, D)) /**