trace.hpp

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#ifndef STAN_MATH_PRIM_FUN_TRACE_HPP
#define STAN_MATH_PRIM_FUN_TRACE_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/fun/Eigen.hpp>
 
namespace stan {
namespace math {
 
template <typename T, require_eigen_t<T>* = nullptr,
          require_not_st_var<T>* = nullptr>
inline value_type_t<T> trace(const T& m) {
  return m.trace();
}
 
}  // namespace math
}  // namespace stan
 
#endif