exp2.hpp
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#ifndef STAN_MATH_FWD_SCAL_FUN_EXP2_HPP
#define STAN_MATH_FWD_SCAL_FUN_EXP2_HPP
#include <stan/math/fwd/core.hpp>
#include <stan/math/prim/scal/fun/exp2.hpp>
#include <stan/math/prim/scal/fun/constants.hpp>
#include <cmath>
namespace stan {
namespace math {
template <typename T>
inline fvar<T>
exp2(const fvar<T>& x) {
using std::log;
return fvar<T>(exp2(x.val_), x.d_ * exp2(x.val_) * LOG_2);
}
}
}
#endif
stan::math::LOG_2
const double LOG_2
The natural logarithm of 2, .
Definition: constants.hpp:32
core.hpp
stan::math::fvar::d_
T d_
Definition: fvar.hpp:16
stan
Definition: log_sum_exp.hpp:8
stan::math::log
fvar< T > log(const fvar< T > &x)
Definition: log.hpp:14
stan::math::fvar::val_
T val_
Definition: fvar.hpp:15
stan::math::exp2
fvar< T > exp2(const fvar< T > &x)
Definition: exp2.hpp:14
constants.hpp
exp2.hpp
stan::math::fvar
Definition: fvar.hpp:14

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