#ifndef __JRAND_HPP_
#define __JRAND_HPP_

#define RAND_TABLE_SIZE 1024
extern unsigned short rtable[RAND_TABLE_SIZE];     // can be used directly when 
extern unsigned short rand_on;                     // speed is of essence

void jrand_init();
inline unsigned short jrand() { return rtable[(rand_on++)&(RAND_TABLE_SIZE-1)]; }
#define jrandom(x) (jrand()%(x))

#endif