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trace.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_TRACE_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_TRACE_HPP
3
4 #include <stan/math/prim/mat/fun/Eigen.hpp>
5
6 namespace stan {
7 namespace math {
8
18 template <typename T>
19 inline T trace(const Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic>& m) {
20 return m.trace();
21 }
22
23 template <typename T>
24 inline T
25 trace(const T& m) {
26 return m;
27 }
28 }
29 }
30 #endif
stan
Definition: log_sum_exp.hpp:8
Eigen.hpp
stan::math::trace
T trace(const Eigen::Matrix< T, Eigen::Dynamic, Eigen::Dynamic > &m)
Returns the trace of the specified matrix.
Definition: trace.hpp:19

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