#include <iostream>
using namespace std;
/**Reads a sequence of floating-point numbers.
@param inputs an array containing the numbers
@param capacity the capacity of that array
@return the number of inputs stored in the array*/
void append_inputs(double inputs[], int capacity, int& current_size) {
cout << "Please enter values, Q to quit:" << endl;
bool more = true;
while (more) {
double input;
cin >> input;
if (cin.fail()) {
more = false;
}
else if (current_size < capacity) {
inputs[current_size] = input;
current_size++;
}
}
}
/** Multiplies all elements of an array by a factor.
@param values a partially filled array
@param size the number of elements in values
@param factor the value with which each element is multiplied */
void multiply(double values[], int size, double factor) {
for (int i = 0; i < size; i++) {
values[i] = values[i] * factor;
}
}
/** Prints the elements of a array, separated by commas.
@param values a partially filled array
@param size the number of elements in values */
void print(const double values[], int size) {
for (int i = 0; i < size; i++) {
if (i > 0) { cout << ", "; }
cout << values[i];
}
cout << endl;
}
int main() {
const int CAPACITY = 1000;
int current_size = 0;
double values[CAPACITY];
append_inputs(values, CAPACITY, current_size);
multiply(values, current_size, 2);
print(values, current_size);
return 0;
}
