inc_beta.hpp

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#ifndef STAN_MATH_PRIM_FUN_INC_BETA_HPP
#define STAN_MATH_PRIM_FUN_INC_BETA_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/err.hpp>
#include <stan/math/prim/functor/apply_scalar_ternary.hpp>
#include <stan/math/prim/fun/boost_policy.hpp>
#include <boost/math/special_functions/beta.hpp>
 
namespace stan {
namespace math {
 
inline double inc_beta(double a, double b, double x) {
  check_not_nan("inc_beta", "a", a);
  check_not_nan("inc_beta", "b", b);
  check_not_nan("inc_beta", "x", x);
  return boost::math::ibeta(a, b, x, boost_policy_t<>());
}
 
template <typename T1, typename T2, typename T3,
          require_any_container_t<T1, T2, T3>* = nullptr,
          require_all_not_var_matrix_t<T1, T2, T3>* = nullptr>
inline auto inc_beta(const T1& a, const T2& b, const T3& c) {
  return apply_scalar_ternary([](const auto& d, const auto& e,
                                 const auto& f) { return inc_beta(d, e, f); },
                              a, b, c);
}
 
}  // namespace math
}  // namespace stan
#endif