inv_logit.hpp

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#ifndef STAN_MATH_FWD_FUN_INV_LOGIT_HPP
#define STAN_MATH_FWD_FUN_INV_LOGIT_HPP
 
#include <stan/math/fwd/meta.hpp>
#include <stan/math/fwd/core.hpp>
#include <stan/math/prim/fun/inv_logit.hpp>
#include <cmath>
 
namespace stan {
namespace math {
 
template <typename T, require_fvar_t<T>* = nullptr>
inline auto inv_logit(T&& x) {
  return std::decay_t<T>(inv_logit(x.val_),
                         x.d_ * inv_logit(x.val_) * (1 - inv_logit(x.val_)));
}
 
}  // namespace math
}  // namespace stan
#endif