math/fwd_2fun_2round_8hpp_source.html

#ifndef STAN_MATH_FWD_FUN_ROUND_HPP

#define STAN_MATH_FWD_FUN_ROUND_HPP


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

#include <stan/math/fwd/core.hpp>

#include <stan/math/prim/fun/constants.hpp>

#include <stan/math/prim/fun/is_nan.hpp>

#include <stan/math/prim/fun/round.hpp>


namespace stan {

namespace math {


template <typename T>

inline fvar<T> round(const fvar<T>& x) {

  return fvar<T>(round(x.val_), is_nan(x.val_) ? NOT_A_NUMBER : 0.0);

}


}  // namespace math

}  // namespace stan

#endif

constants.hpp

core.hpp

meta.hpp

stan::math::NOT_A_NUMBER
static constexpr double NOT_A_NUMBER
(Quiet) not-a-number value.
Definition constants.hpp:56

stan::math::is_nan
bool is_nan(T &&x)
Returns 1 if the input's value is NaN and 0 otherwise.
Definition is_nan.hpp:22

stan::math::round
fvar< T > round(const fvar< T > &x)
Return the closest integer to the specified argument, with halfway cases rounded away from zero.
Definition round.hpp:24

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

is_nan.hpp

round.hpp

stan::math::fvar::val_
Scalar val_
The value of this variable.
Definition fvar.hpp:49

stan::math::fvar
This template class represents scalars used in forward-mode automatic differentiation,...
Definition fvar.hpp:40