fdim.hpp

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#ifndef STAN_MATH_PRIM_FUN_FDIM_HPP
#define STAN_MATH_PRIM_FUN_FDIM_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/functor/apply_scalar_binary.hpp>
 
namespace stan {
namespace math {
 
template <typename T1, typename T2, require_all_arithmetic_t<T1, T2>* = nullptr>
inline double fdim(T1 x, T2 y) {
  using std::fdim;
  return fdim(x, y);
}
 
template <typename T1, typename T2, require_any_container_t<T1, T2>* = nullptr>
inline auto fdim(const T1& a, const T2& b) {
  return apply_scalar_binary(
      [](const auto& c, const auto& d) { return fdim(c, d); }, a, b);
}
 
}  // namespace math
}  // namespace stan
#endif