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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
7 namespace stan {
8 namespace math {
9
19 template <typename T>
20 inline T trace(const Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic>& m) {
21 return m.trace();
22 }
23
24 template <typename T>
25 inline T
26 trace(const T& m) {
27 return m;
28 }
29 }
30 }
31 #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:20

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