Stan Math Library
2.15.0
reverse mode automatic differentiation
stan
math
fwd
scal
fun
exp2.hpp
Go to the documentation of this file.
1
#ifndef STAN_MATH_FWD_SCAL_FUN_EXP2_HPP
2
#define STAN_MATH_FWD_SCAL_FUN_EXP2_HPP
3
4
#include <
stan/math/fwd/core.hpp
>
5
#include <
stan/math/prim/scal/fun/exp2.hpp
>
6
#include <
stan/math/prim/scal/fun/constants.hpp
>
7
#include <cmath>
8
9
namespace
stan
{
10
namespace
math {
11
12
template
<
typename
T>
13
inline
fvar<T>
14
exp2
(
const
fvar<T>
& x) {
15
using
std::log
;
16
return
fvar<T>
(
exp2
(x.
val_
), x.
d_
*
exp2
(x.
val_
) *
LOG_2
);
17
}
18
19
}
20
}
21
#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
[
Stan Home Page
]
© 2011–2016, Stan Development Team.