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


int32_t limit(int32_t x, int32_t low, int32_t 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;
 }