Stan Math Library  2.14.0
reverse mode automatic differentiation
exp2.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_FUN_EXP2_HPP
2 #define STAN_MATH_PRIM_SCAL_FUN_EXP2_HPP
3 
4 #include <boost/math/tools/promotion.hpp>
5 #include <cmath>
6 
7 namespace stan {
8  namespace math {
9 
21  inline double exp2(double y) {
22  using std::pow;
23  return pow(2.0, y);
24  }
25 
33  inline double exp2(int y) {
34  return exp2(static_cast<double>(y));
35  }
36 
37  }
38 }
39 #endif
fvar< T > exp2(const fvar< T > &x)
Definition: exp2.hpp:14
fvar< T > pow(const fvar< T > &x1, const fvar< T > &x2)
Definition: pow.hpp:17

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