1#ifndef STAN_MATH_PRIM_FUN_ATAN2_HPP
2#define STAN_MATH_PRIM_FUN_ATAN2_HPP
22template <
typename T1,
typename T2, require_all_arithmetic_t<T1, T2>* =
nullptr>
24 return std::atan2(y, x);
37template <
typename T1,
typename T2, require_any_container_t<T1, T2>* =
nullptr,
38 require_all_not_var_matrix_t<T1, T2>* =
nullptr>
39inline auto atan2(T1&& a, T2&& b) {
41 [](
auto&& c,
auto&& d) {
42 return atan2(std::forward<
decltype(c)>(c),
43 std::forward<
decltype(d)>(d));
45 std::forward<T1>(a), std::forward<T2>(b));
fvar< T > atan2(const fvar< T > &x1, const fvar< T > &x2)
auto apply_scalar_binary(F &&f, T1 &&x, T2 &&y)
Base template function for vectorization of binary scalar functions defined by applying a functor to ...
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...