inv_inc_beta.hpp

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#ifndef STAN_MATH_PRIM_FUN_INV_INC_BETA_HPP
#define STAN_MATH_PRIM_FUN_INV_INC_BETA_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/err.hpp>
#include <stan/math/prim/fun/boost_policy.hpp>
#include <boost/math/special_functions/beta.hpp>
 
namespace stan {
namespace math {
 
inline double inv_inc_beta(double a, double b, double p) {
  check_not_nan("inv_inc_beta", "a", a);
  check_not_nan("inv_inc_beta", "b", b);
  check_not_nan("inv_inc_beta", "p", p);
  check_positive("inv_inc_beta", "a", a);
  check_positive("inv_inc_beta", "b", b);
  check_bounded("inv_inc_beta", "p", p, 0, 1);
  return boost::math::ibeta_inv(a, b, p, boost_policy_t<>());
}
 
template <typename T1, typename T2, typename T3,
          require_any_container_t<T1, T2, T3>* = nullptr>
inline auto inv_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 inv_inc_beta(d, e, f);
      },
      a, b, c);
}
 
}  // namespace math
}  // namespace stan
#endif