X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=cg_math.h;h=d8c539e1aa4cfa63f035f591324d8c71d4aed0fa;hp=d06eb75b510cfc870b82d12fec10418bad9101fe;hb=49cd70905c02b3cee323e22bc956244e66f731e8;hpb=0256e57e16a302ad45090618b8d6eb5930788809

diff --git a/cg_math.h b/cg_math.h
index d06eb75b..d8c539e1 100644
--- a/cg_math.h
+++ b/cg_math.h
@@ -32,6 +32,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #define M_PI		3.14159265358979323846	// matches value in gcc v2 math.h
 #endif
 
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
 typedef float vec_t;
 typedef vec_t vec2_t[2];
 typedef vec_t vec3_t[3];
@@ -46,11 +50,11 @@ extern vec3_t vec3_origin;
 #define nanmask (255<<23)
 #define	IS_NAN(x) (((*(int *)&x)&nanmask)==nanmask)
 
-#define bound(min,num,max) (num >= min ? (num < max ? num : max) : min)
+#define bound(min,num,max) ((num) >= (min) ? ((num) < (max) ? (num) : (max)) : (min))
 
 #ifndef min
-#define min(A,B) (A < B ? A : B)
-#define max(A,B) (A > B ? A : B)
+#define min(A,B) ((A) < (B) ? (A) : (B))
+#define max(A,B) ((A) > (B) ? (A) : (B))
 #endif
 
 #define lhrandom(MIN,MAX) ((rand() & 32767) * (((MAX)-(MIN)) * (1.0f / 32767.0f)) + (MIN))
@@ -76,17 +80,6 @@ extern vec3_t vec3_origin;
 #define VectorScale(in, scale, out) ((out)[0] = (in)[0] * (scale),(out)[1] = (in)[1] * (scale),(out)[2] = (in)[2] * (scale))
 #define VectorCompare(a,b) (((a)[0]==(b)[0])&&((a)[1]==(b)[1])&&((a)[2]==(b)[2]))
 #define VectorMA(a, scale, b, c) ((c)[0] = (a)[0] + (scale) * (b)[0],(c)[1] = (a)[1] + (scale) * (b)[1],(c)[2] = (a)[2] + (scale) * (b)[2])
-#define VectorNormalizeFast(_v)\
-{\
-	float _y, _number;\
-	_number = DotProduct(_v, _v);\
-	if (_number != 0.0)\
-	{\
-		*((long *)&_y) = 0x5f3759df - ((* (long *) &_number) >> 1);\
-		_y = _y * (1.5f - (_number * 0.5f * _y * _y));\
-		VectorScale(_v, _y, _v);\
-	}\
-}
 #define VectorRandom(v) {do{(v)[0] = CGVM_RandomRange(-1, 1);(v)[1] = CGVM_RandomRange(-1, 1);(v)[2] = CGVM_RandomRange(-1, 1);}while(DotProduct(v, v) > 1);}
 
 void AngleVectors (vec3_t angles, vec3_t forward, vec3_t right, vec3_t up);