dot.hpp

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#ifndef STAN_MATH_PRIM_FUN_DOT_HPP
#define STAN_MATH_PRIM_FUN_DOT_HPP
 
#include <stan/math/prim/meta.hpp>
#include <vector>
#include <cstddef>
 
namespace stan {
namespace math {
 
inline double dot(const std::vector<double>& x, const std::vector<double>& y) {
  double sum = 0.0;
  for (size_t i = 0; i < x.size(); ++i) {
    sum += x[i] * y[i];
  }
  return sum;
}
 
}  // namespace math
}  // namespace stan
#endif