#define CLIP_H
// Math macros
-
+#undef SQR
#define SQR(x) ((x) * (x))
+#undef CLIP
#define CLIP(x, y, z) ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x)))
+#undef RECLIP
#define RECLIP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
+#undef CLAMP
#define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
+#undef MAX
#define MAX(x, y) ((x) > (y) ? (x) : (y))
+#undef MIN
#define MIN(x, y) ((x) < (y) ? (x) : (y))
+#undef EQUIV
#define EQUIV(x, y) (fabs((x) - (y)) < 0.001)
+#undef DISTANCE
#define DISTANCE(x1, y1, x2, y2) \
(sqrt(((x2) - (x1)) * ((x2) - (x1)) + ((y2) - (y1)) * ((y2) - (y1))))