foo.cpp

/**
 * fuck around with stream precisions
 * call like this:
 *  for i in `seq 20`; do echo "precision=$i"; ./foo $i; done
 * watch the streamint being properly parsed to 5, or sometimes not
 */

#include <limits>
#include <sstream>
#include <iostream>
#include <stdlib.h>

using namespace std;

int main( int argc, char **argv ) {
    int p = atoi(argv[1]);
    
    double maxdouble = numeric_limits<double>::max();
    stringstream stream;
    stream.precision(p);
    stream << maxdouble << " " << "5" << " ";
    cout << stream.str() << endl;

    int streamint;
    double streamdouble;

    stream >> streamdouble >> streamint;

    cout << "Double: " << streamdouble << " int: " << streamint << endl;
}