inv_erfc.hpp

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#ifndef STAN_MATH_PRIM_FUN_INV_ERFC_HPP
#define STAN_MATH_PRIM_FUN_INV_ERFC_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/functor/apply_scalar_unary.hpp>
#include <boost/math/special_functions/erf.hpp>
 
namespace stan {
namespace math {
 
template <typename T, require_arithmetic_t<T>* = nullptr>
inline auto inv_erfc(const T& x) {
  return boost::math::erfc_inv(x);
}
 
struct inv_erfc_fun {
  template <typename T>
  static inline auto fun(const T& x) {
    return inv_erfc(x);
  }
};
 
template <
    typename T,
    require_all_not_nonscalar_prim_or_rev_kernel_expression_t<T>* = nullptr,
    require_not_var_matrix_t<T>* = nullptr,
    require_not_arithmetic_t<T>* = nullptr>
inline auto inv_erfc(const T& x) {
  return apply_scalar_unary<inv_erfc_fun, T>::apply(x);
}
 
}  // namespace math
}  // namespace stan
 
#endif