Stan Math Library  2.12.0
reverse mode automatic differentiation
square.hpp
Go to the documentation of this file.
1 #ifndef STAN_MATH_FWD_SCAL_FUN_SQUARE_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_SQUARE_HPP
3 
4 #include <stan/math/fwd/core.hpp>
5 
7 
8 namespace stan {
9  namespace math {
10 
11  template <typename T>
12  inline
13  fvar<T>
14  square(const fvar<T>& x) {
15  return fvar<T>(square(x.val_),
16  x.d_ * 2 * x.val_);
17  }
18  }
19 }
20 #endif
fvar< T > square(const fvar< T > &x)
Definition: square.hpp:14

     [ Stan Home Page ] © 2011–2016, Stan Development Team.