guicast/clip.h

   1 #ifndef CLIP_H
   2 #define CLIP_H
   3
   4 // Math macros
   5
   6 #define CLIP(x, y, z) ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x)))
   7 #define RECLIP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
   8 #define CLAMP(x, y, z) ((x) = ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x))))
   9 #define MAX(x, y) ((x) > (y) ? (x) : (y))
  10 #define MIN(x, y) ((x) < (y) ? (x) : (y))
  11 #define EQUIV(x, y) (fabs((x) - (y)) < 0.001)
  12 #define DISTANCE(x1, y1, x2, y2) \
  13 (sqrt(((x2) - (x1)) * ((x2) - (x1)) + ((y2) - (y1)) * ((y2) - (y1))))
  14
  15
  16 #endif
  17 /*
  18 //      Local Variables:
  19 //      mode: C++
  20 //      c-file-style: "linux"
  21 //      End:
  22 */