math/signbit_8hpp_source.html

#ifndef STAN_MATH_PRIM_SCAL_FUN_SIGNBIT_HPP

#define STAN_MATH_PRIM_SCAL_FUN_SIGNBIT_HPP


#include <stan/math/prim/meta.hpp>


namespace stan {

namespace math {


template <typename ADType, require_autodiff_t<ADType>* = nullptr>

inline bool signbit(ADType&& v) {

  using std::signbit;

  return signbit(v.val());

}


}  // namespace math

}  // namespace stan


#endif

stan::math::signbit
bool signbit(ADType &&v)
Return true if the specified argument is negative and false otherwise.
Definition signbit.hpp:21

stan
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Definition unit_vector_constrain.hpp:15

meta.hpp