1 #ifndef __STAN__MATH__FUNCTIONS__SUB_HPP__
2 #define __STAN__MATH__FUNCTIONS__SUB_HPP__
9 inline void sub(std::vector<double>& x, std::vector<double>& y,
10 std::vector<double>& result) {
11 result.resize(x.size());
12 for (
size_t i = 0; i < x.size(); ++i)
13 result[i] = x[i] - y[i];