#include "math_utils.hpp"
#include <cstring>
namespace math {
int add(int a, int b) {
return a + b;
}
int multiply(int a, int b) {
return a * b;
}
Calculator::Calculator() : result_(0) {}
int Calculator::compute(const char *op, int a, int b) {
if (std::strcmp(op, "add") == 0) {
result_ = add(a, b);
} else {
result_ = multiply(a, b);
}
return result_;
}
int Calculator::last_result() const {
return result_;
}
}