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2.11.0
reverse mode automatic differentiation
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stan
math
fwd
scal
fun
sin.hpp
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#ifndef STAN_MATH_FWD_SCAL_FUN_SIN_HPP
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#define STAN_MATH_FWD_SCAL_FUN_SIN_HPP
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#include <
stan/math/fwd/core.hpp
>
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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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sin
(
const
fvar<T>
& x) {
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using
std::sin
;
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using
std::cos
;
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return
fvar<T>
(
sin
(x.
val_
),
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x.
d_
*
cos
(x.
val_
));
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}
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}
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}
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#endif
stan::math::cos
fvar< T > cos(const fvar< T > &x)
Definition:
cos.hpp:13
stan::math::sin
var sin(const var &a)
Return the sine of a radian-scaled variable (cmath).
Definition:
sin.hpp:49
core.hpp
stan::math::fvar::d_
T d_
Definition:
fvar.hpp:15
stan
Definition:
log_sum_exp.hpp:8
stan::math::sin
fvar< T > sin(const fvar< T > &x)
Definition:
sin.hpp:14
stan::math::fvar::val_
T val_
Definition:
fvar.hpp:14
stan::math::fvar
Definition:
fvar.hpp:13
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