1 #ifndef STAN__AGRAD__FWD__MATRIX__MDIVIDE_LEFT_LDLT_HPP
2 #define STAN__AGRAD__FWD__MATRIX__MDIVIDE_LEFT_LDLT_HPP
4 #include <boost/math/tools/promotion.hpp>
23 template <
int R1,
int C1,
int R2,
int C2,
typename T2>
24 inline Eigen::Matrix<fvar<T2>,R1,C2>
26 const Eigen::Matrix<
fvar<T2>,R2,C2> &b) {
30 Eigen::Matrix<T2,R2,C2> b_val(b.rows(), b.cols());
31 Eigen::Matrix<T2,R2,C2> b_der(b.rows(), b.cols());
32 for (
int i = 0; i < b.rows(); i++)
33 for (
int j = 0; j < b.cols(); j++) {
34 b_val(i,j) = b(i,j).val_;
35 b_der(i,j) = b(i,j).d_;
fvar< T > to_fvar(const T &x)
bool check_multiplicable(const char *function, const T1 &y1, const char *name1, const T2 &y2, const char *name2, T_result *result)
Eigen::Matrix< fvar< T2 >, R1, C2 > mdivide_left_ldlt(const stan::math::LDLT_factor< double, R1, C1 > &A, const Eigen::Matrix< fvar< T2 >, R2, C2 > &b)
Returns the solution of the system Ax=b given an LDLT_factor of A.