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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 namespace stan {
7 namespace math {
8
9 template <typename T>
10 inline
11 fvar<T>
12 sin(const fvar<T>& x) {
13 using std::sin;
14 using std::cos;
15 return fvar<T>(sin(x.val_),
16 x.d_ * cos(x.val_));
17 }
18 }
19 }
20 #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:14
stan
Definition: log_sum_exp.hpp:8
stan::math::sin
fvar< T > sin(const fvar< T > &x)
Definition: sin.hpp:12
stan::math::fvar::val_
T val_
Definition: fvar.hpp:13
stan::math::fvar
Definition: fvar.hpp:12

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