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sin.hpp
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1 #ifndef STAN_MATH_FWD_SCAL_FUN_SIN_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_SIN_HPP
3
4 #include <stan/math/fwd/core.hpp>
5
6
7 namespace stan {
8
9 namespace math {
10
11 template <typename T>
12 inline
13 fvar<T>
14 sin(const fvar<T>& x) {
15 using std::sin;
16 using std::cos;
17 return fvar<T>(sin(x.val_),
18 x.d_ * cos(x.val_));
19 }
20 }
21 }
22 #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::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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