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reverse mode automatic differentiation
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stan
math
fwd
scal
fun
cosh.hpp
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#ifndef STAN_MATH_FWD_SCAL_FUN_COSH_HPP
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#define STAN_MATH_FWD_SCAL_FUN_COSH_HPP
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#include <
stan/math/fwd/core.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
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fvar<T>
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cosh
(
const
fvar<T>
& x) {
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using
std::sinh
;
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using
std::cosh
;
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return
fvar<T>
(
cosh
(x.
val_
), x.
d_
*
sinh
(x.
val_
));
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}
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}
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}
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#endif
core.hpp
stan::math::fvar::d_
T d_
Definition:
fvar.hpp:15
stan::math::cosh
fvar< T > cosh(const fvar< T > &x)
Definition:
cosh.hpp:13
stan
Definition:
log_sum_exp.hpp:8
stan::math::fvar::val_
T val_
Definition:
fvar.hpp:14
stan::math::cosh
var cosh(const var &a)
Return the hyperbolic cosine of the specified variable (cmath).
Definition:
cosh.hpp:50
stan::math::sinh
fvar< T > sinh(const fvar< T > &x)
Definition:
sinh.hpp:14
stan::math::fvar
Definition:
fvar.hpp:13
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