#include "random.h"

double UnitRandom ()
 {
	 return ((double)rand()) / RAND_MAX;
 }
    
double RangeRandom (double fLow, double fHigh)
 {
     return (fHigh-fLow)*UnitRandom() + fLow;
 }

double SymmetricRandom ()
 {
	return 2.0f * UnitRandom() - 1.0f;
 }