#include <cstddef>
#include <iostream>
#include <vector>
using namespace std;

#ifdef UNSOUND_BOUND
	#define BND( correct_limit ) 100
#else
	#define BND( correct_limit ) correct_limit
#endif










double sum(
        vector<float> & x ) {
	double sum = 0;
	for ( size_t i = 0;
            i < BND( x.size() ); i++ )
        sum += @x.at(i)@;
	return sum;
}






#ifdef RUNIT

#define EXPSZ 7





int main() {
	vector<float> x( EXPSZ );
	for ( size_t i = 0; i < EXPSZ; i++ ) x.at(i) = 0.1 * (i + 1);
	for ( size_t i = 0; i < EXPSZ; i++ ) cout << "elm " << i << " " <<  x[i] << endl;
	double sum_ret = sum( x );
	cout << "sum   " << sum_ret << endl;
}



#endif