/* * File: random.h * Last modified on Mon Sep 13 10:42:45 1993 by eroberts * -------------- * Library package to produce pseudo-random numbers. */#ifndef _random_h#define _random_h#include "genlib.h"/* * Function: Randomize * Usage: Randomize(); * ------------------- * This function sets the random seed so that the random * sequence is unpredictable.  During the debugging phase, * it is best not to call this function, so that program * behavior is repeatable. */void Randomize(void);/* * Function: RandomInteger * Usage: n = RandomInteger(low, high); * ------------------------------------ * This function returns a random integer in the range * low to high, inclusive. */int RandomInteger(int low, int high);/* * Function: RandomReal * Usage: d = RandomReal(low, high); * --------------------------------- * This function returns a random real number in the * half-open interval [low .. high), meaning that the * result is always greater than or equal to low but * strictly less than high. */double RandomReal(double low, double high);/* * Function: RandomChance * Usage: if (RandomChance(p)) . . . * --------------------------------- * The RandomChance function returns TRUE with the probability * indicated by p, which should be a floating-point number * between 0 (meaning never) and 1 (meaning always).  For * example, calling RandomChance(.30) returns TRUE 30 percent * of the time. */bool RandomChance(double p);#endif