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reverse mode automatic differentiation
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sort_desc.hpp
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1 #ifndef STAN_MATH_FWD_MAT_FUN_SORT_DESC_HPP
2 #define STAN_MATH_FWD_MAT_FUN_SORT_DESC_HPP
3 
4 #include <stan/math/fwd/core.hpp>
6 #include <algorithm> // std::sort
7 #include <functional> // std::greater
8 #include <vector>
9 
10 namespace stan {
11 
12  namespace math {
13 
14  template <typename T>
15  inline
16  std::vector< fvar<T> >
17  sort_desc(std::vector< fvar<T> > xs) {
18  std::sort(xs.begin(), xs.end(), std::greater< fvar<T> >());
19  return xs;
20  }
21 
22  template <typename T, int R, int C>
23  inline
24  typename Eigen::Matrix<fvar<T>, R, C>
25  sort_desc(Eigen::Matrix<fvar<T>, R, C> xs) {
26  std::sort(xs.data(), xs.data()+xs.size(), std::greater< fvar<T> >());
27  return xs;
28  }
29 
30  }
31 }
32 #endif
std::vector< fvar< T > > sort_desc(std::vector< fvar< T > > xs)
Definition: sort_desc.hpp:17

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