exp.hpp
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1 #ifndef STAN_MATH_FWD_SCAL_FUN_EXP_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_EXP_HPP
3 
4 #include <stan/math/fwd/core.hpp>
5 #include <cmath>
6 
7 namespace stan {
8 namespace math {
9 template <typename T>
10 inline fvar<T> exp(const fvar<T>& x) {
11  using std::exp;
12  return fvar<T>(exp(x.val_), x.d_ * exp(x.val_));
13 }
14 
15 } // namespace math
16 } // namespace stan
17 #endif
var exp(const var &a)
Definition: exp.hpp:40
fvar< T > exp(const fvar< T > &x)
Definition: exp.hpp:10