#include <stddef.h> #include <stdio.h> #define N 6 double some_array[N]; void init(size_t n, double *x) { for (size_t i=0; i<n; ++i) { *(x+i) = i+1; } } double sum(size_t n, const double *x) { double res = 0; for (size_t i=0; i<n; ++i) { res += *(x+i); } return res; } int main() { init(N, some_array); printf("res = %10.3lf\n", sum(N, some_array)); return 0; } |