#include "zf_common_headfile.h"
#include "gl_headfile.h"


sint32 limit(sint32 x, sint32 low, sint32 up)
{
    return x > up ? up : x < low ? low : x;
}
 int clip(int x, int low, int up) {
     return x > up ? up : x < low ? low : x;
 }

float fclip(float x, float low, float up) {
     return x > up ? up : x < low ? low : x;
 }