elt_multiply.hpp

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#ifndef STAN_MATH_PRIM_FUN_ELT_MULTIPLY_HPP
#define STAN_MATH_PRIM_FUN_ELT_MULTIPLY_HPP
 
#include <stan/math/prim/fun/Eigen.hpp>
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/err.hpp>
#include <stan/math/prim/fun/multiply.hpp>
 
namespace stan {
namespace math {
 
template <typename Mat1, typename Mat2,
          require_all_eigen_t<Mat1, Mat2>* = nullptr,
          require_all_not_st_var<Mat1, Mat2>* = nullptr>
inline auto elt_multiply(const Mat1& m1, const Mat2& m2) {
  check_matching_dims("elt_multiply", "m1", m1, "m2", m2);
  return m1.cwiseProduct(m2);
}
 
template <typename Scalar1, typename Scalar2,
          require_all_stan_scalar_t<Scalar1, Scalar2>* = nullptr>
inline auto elt_multiply(const Scalar1& a, const Scalar2& b) {
  return a * b;
}
 
template <typename T1, typename T2, require_any_matrix_t<T1, T2>* = nullptr,
          require_any_stan_scalar_t<T1, T2>* = nullptr>
inline auto elt_multiply(const T1& A, const T2& B) {
  return multiply(A, B);
}
 
}  // namespace math
}  // namespace stan
 
#endif