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2.10.0
reverse mode automatic differentiation
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stan
math
fwd
scal
fun
exp2.hpp
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#ifndef STAN_MATH_FWD_SCAL_FUN_EXP2_HPP
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#define STAN_MATH_FWD_SCAL_FUN_EXP2_HPP
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#include <
stan/math/fwd/core.hpp
>
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#include <
stan/math/prim/scal/fun/exp2.hpp
>
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#include <
stan/math/prim/scal/fun/constants.hpp
>
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#include <cmath>
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namespace
stan
{
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namespace
math {
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template
<
typename
T>
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inline
fvar<T>
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exp2
(
const
fvar<T>
& x) {
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using
stan::math::exp2
;
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using
std::log
;
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return
fvar<T>
(
exp2
(x.
val_
), x.
d_
*
exp2
(x.
val_
) *
stan::math::LOG_2
);
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}
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}
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}
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#endif
stan::math::LOG_2
const double LOG_2
The natural logarithm of 2, .
Definition:
constants.hpp:33
core.hpp
stan::math::fvar::d_
T d_
Definition:
fvar.hpp:15
stan
Definition:
log_sum_exp.hpp:8
stan::math::log
fvar< T > log(const fvar< T > &x)
Definition:
log.hpp:15
stan::math::fvar::val_
T val_
Definition:
fvar.hpp:14
stan::math::exp2
fvar< T > exp2(const fvar< T > &x)
Definition:
exp2.hpp:14
constants.hpp
exp2.hpp
stan::math::fvar
Definition:
fvar.hpp:13
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