X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=mathlib.h;h=9a9cd732f2c55164d07a15b3f3ed6e5bb50c043f;hb=f60caa1e1c25e2a462a9045f6dd2d1415d663012;hp=e1c7f647d8eb17f90d1fd9065fc9c48dd432071e;hpb=3db10ccb0dc848bd0c633b440a5513ad8ff42ba0;p=xonotic%2Fdarkplaces.git

diff --git a/mathlib.h b/mathlib.h
index e1c7f647..9a9cd732 100644
--- a/mathlib.h
+++ b/mathlib.h
@@ -28,19 +28,25 @@ 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
 
-typedef float vec_t;
-typedef vec_t vec2_t[2];
-typedef vec_t vec3_t[3];
-typedef vec_t vec4_t[4];
-typedef vec_t vec5_t[5];
-typedef vec_t vec6_t[6];
-typedef vec_t vec7_t[7];
-typedef vec_t vec8_t[8];
 struct mplane_s;
 extern vec3_t vec3_origin;
 
-#define nanmask (255<<23)
-#define	IS_NAN(x) (((*(int *)&x)&nanmask)==nanmask)
+#define float_nanmask (0x7F800000)
+#define double_nanmask (0x7FF8000000000000)
+#define FLOAT_IS_NAN(x) (((*(int *)&x)&float_nanmask)==float_nanmask)
+#define DOUBLE_IS_NAN(x) (((*(long long *)&x)&double_nanmask)==double_nanmask)
+
+#ifdef VEC_64
+#define VEC_IS_NAN(x) DOUBLE_IS_NAN(x)
+#else
+#define VEC_IS_NAN(x) FLOAT_IS_NAN(x)
+#endif
+
+#ifdef PRVM_64
+#define PRVM_IS_NAN(x) DOUBLE_IS_NAN(x)
+#else
+#define PRVM_IS_NAN(x) FLOAT_IS_NAN(x)
+#endif
 
 #define bound(min,num,max) ((num) >= (min) ? ((num) < (max) ? (num) : (max)) : (min))
 
@@ -82,7 +88,7 @@ unsigned int CeilPowerOf2(unsigned int value);
 #define Vector2Compare(a,b) (((a)[0]==(b)[0])&&((a)[1]==(b)[1]))
 #define Vector2Copy(a,b) ((b)[0]=(a)[0],(b)[1]=(a)[1])
 #define Vector2Negate(a,b) ((b)[0]=-((a)[0]),(b)[1]=-((a)[1]))
-#define Vector2Set(a,b,c,d,e) ((a)[0]=(b),(a)[1]=(c))
+#define Vector2Set(a,b,c) ((a)[0]=(b),(a)[1]=(c))
 #define Vector2Scale(in, scale, out) ((out)[0] = (in)[0] * (scale),(out)[1] = (in)[1] * (scale))
 #define Vector2Normalize2(v,dest) {float ilength = (float) sqrt(DotProduct2((v),(v)));if (ilength) ilength = 1.0f / ilength;dest[0] = (v)[0] * ilength;dest[1] = (v)[1] * ilength;}
 
@@ -129,7 +135,7 @@ unsigned int CeilPowerOf2(unsigned int value);
 #define VectorReflect(a,r,b,c) do{double d;d = DotProduct((a), (b)) * -(1.0 + (r));VectorMA((a), (d), (b), (c));}while(0)
 #define BoxesOverlap(a,b,c,d) ((a)[0] <= (d)[0] && (b)[0] >= (c)[0] && (a)[1] <= (d)[1] && (b)[1] >= (c)[1] && (a)[2] <= (d)[2] && (b)[2] >= (c)[2])
 #define BoxInsideBox(a,b,c,d) ((a)[0] >= (c)[0] && (b)[0] <= (d)[0] && (a)[1] >= (c)[1] && (b)[1] <= (d)[1] && (a)[2] >= (c)[2] && (b)[2] <= (d)[2])
-#define TriangleOverlapsBox(a,b,c,d,e) (min((a)[0], min((b)[0], (c)[0])) < (e)[0] && max((a)[0], max((b)[0], (c)[0])) > (d)[0] && min((a)[1], min((b)[1], (c)[1])) < (e)[1] && max((a)[1], max((b)[1], (c)[1])) > (d)[1] && min((a)[2], min((b)[2], (c)[2])) < (e)[2] && max((a)[2], max((b)[2], (c)[2])) > (d)[2])
+#define TriangleBBoxOverlapsBox(a,b,c,d,e) (min((a)[0], min((b)[0], (c)[0])) < (e)[0] && max((a)[0], max((b)[0], (c)[0])) > (d)[0] && min((a)[1], min((b)[1], (c)[1])) < (e)[1] && max((a)[1], max((b)[1], (c)[1])) > (d)[1] && min((a)[2], min((b)[2], (c)[2])) < (e)[2] && max((a)[2], max((b)[2], (c)[2])) > (d)[2])
 
 #define TriangleNormal(a,b,c,n) ( \
 	(n)[0] = ((a)[1] - (b)[1]) * ((c)[2] - (b)[2]) - ((a)[2] - (b)[2]) * ((c)[1] - (b)[1]), \
@@ -287,11 +293,13 @@ float RadiusFromBoundsAndOrigin (const vec3_t mins, const vec3_t maxs, const vec
 struct matrix4x4_s;
 /// print a matrix to the console
 void Matrix4x4_Print(const struct matrix4x4_s *in);
-int Math_atov(const char *s, vec3_t out);
+int Math_atov(const char *s, prvm_vec3_t out);
 
 void BoxFromPoints(vec3_t mins, vec3_t maxs, int numpoints, vec_t *point3f);
 
 int LoopingFrameNumberFromDouble(double t, int loopframes);
 
+void Mathlib_Init(void);
+
 #endif