/*
 * random.hpp
 *
 *  Created on: Sep 25, 2010
 *  Modified November 7, 2016
 *      Author: Michael J. Fischer
 *      for use in Yale course CPSC 427a, Fall 2010
 */

#pragma once
#include "tools.hpp"

//-----------------------------------------------------------------------------
// Discrete range random number generator
class Random {
private:
	const unsigned int seed;
	const int range;
	const int top;

public:
	// Output range is [0, range-1]
	Random(int range, unsigned int seed) :
		seed(seed), range(range),
		top (((((RAND_MAX - range) + 1) / range) * range - 1) + range) {
		srand(seed);
	}
	int gen() const;
	ostream& print(ostream& out) const;
};