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log_determinant.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_LOG_DETERMINANT_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_LOG_DETERMINANT_HPP
3
4 #include <stan/math/prim/mat/fun/Eigen.hpp>
5 #include <stan/math/prim/mat/err/check_square.hpp>
6
7 namespace stan {
8 namespace math {
9
17 template <typename T, int R, int C>
18 inline T log_determinant(const Eigen::Matrix<T, R, C>& m) {
19 stan::math::check_square("log_determinant", "m", m);
20 return m.colPivHouseholderQr().logAbsDeterminant();
21 }
22
23 }
24 }
25 #endif
stan
Definition: log_sum_exp.hpp:8
stan::math::log_determinant
fvar< T > log_determinant(const Eigen::Matrix< fvar< T >, R, C > &m)
Definition: log_determinant.hpp:20
Eigen.hpp
stan::math::check_square
bool check_square(const char *function, const char *name, const Eigen::Matrix< T_y, Eigen::Dynamic, Eigen::Dynamic > &y)
Return true if the specified matrix is square.
Definition: check_square.hpp:28
check_square.hpp

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