// -*- mode: c++ -*-
// $Id: random.g++,v 1.7 2001/07/31 19:47:03 doug Exp $
// http://www.bagley.org/~doug/shootout/

//** This copy courtesy of http://www.kano.net/javabench/
//**  Added Timer() code

#include <ctime>
#include <iostream>
#include <string>
#include <cstdlib>

using namespace std;

static const int IM = 139968;
static const int IA = 3877;
static const int IC = 29573;

double gen_random(double max) {
	static long last = 42;
	last = (last * IA + IC) % IM;
	return( max * last / IM );
}

int main(int argc, char *argv[]) {
	int N = ((argc == 2) ? atoi(argv[1]) : 1);

    clock_t start=clock();
	double result = 0;
    
	while (N-->0) {
		result = gen_random(100.0);
	}
	cout.precision(9);
	cout.setf(ios::fixed);
	cout << result << endl;
    clock_t endt=clock(); 
	std::cout <<"Time: " << double(endt-start)/CLOCKS_PER_SEC * 1000 << " ms\n"; 

	return(0);
}