//: C06:NumericTest.cpp #include <algorithm> #include <iostream> #include <iterator> #include <functional> #include <numeric> #include "PrintSequence.h" using namespace std; int main() { int a[] = { 1, 1, 2, 2, 3, 5, 7, 9, 11, 13 }; const int ASZ = sizeof a / sizeof a[0]; print(a, a + ASZ, "a", " "); int r = accumulate(a, a + ASZ, 0); cout << "accumulate 1: " << r << endl; // Should produce the same result: r = accumulate(a, a + ASZ, 0, plus<int>()); cout << "accumulate 2: " << r << endl; int b[] = { 1, 2, 3, 4, 1, 2, 3, 4, 1, 2 }; print(b, b + sizeof b / sizeof b[0], "b", " "); r = inner_product(a, a + ASZ, b, 0); cout << "inner_product 1: " << r << endl; // Should produce the same result: r = inner_product(a, a + ASZ, b, 0, plus<int>(), multiplies<int>()); cout << "inner_product 2: " << r << endl; int* it = partial_sum(a, a + ASZ, b); print(b, it, "partial_sum 1", " "); // Should produce the same result: it = partial_sum(a, a + ASZ, b, plus<int>()); print(b, it, "partial_sum 2", " "); it = adjacent_difference(a, a + ASZ, b); print(b, it, "adjacent_difference 1"," "); // Should produce the same result: it = adjacent_difference(a, a + ASZ, b, minus<int>()); print(b, it, "adjacent_difference 2"," "); } ///:~
Listado 7.46. C06/NumericTest.cpp