1 #ifndef STAN_MATH_PRIM_ARR_FUN_SCALED_ADD_HPP
2 #define STAN_MATH_PRIM_ARR_FUN_SCALED_ADD_HPP
11 const std::vector<double>& y,
12 const double lambda) {
13 for (
size_t i = 0; i < x.size(); ++i)
14 x[i] += lambda * y[i];
void scaled_add(std::vector< double > &x, const std::vector< double > &y, const double lambda)