1 #ifndef STAN_MATH_FWD_MAT_FUN_MDIVIDE_LEFT_LDLT_HPP
2 #define STAN_MATH_FWD_MAT_FUN_MDIVIDE_LEFT_LDLT_HPP
10 #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) {
31 Eigen::Matrix<T2, R2, C2> b_val(b.rows(), b.cols());
32 Eigen::Matrix<T2, R2, C2> b_der(b.rows(), b.cols());
33 for (
int i = 0; i < b.rows(); i++)
34 for (
int j = 0; j < b.cols(); j++) {
35 b_val(i, j) = b(i, j).val_;
36 b_der(i, j) = b(i, j).d_;
fvar< T > to_fvar(const T &x)
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.
bool check_multiplicable(const char *function, const char *name1, const T1 &y1, const char *name2, const T2 &y2)
Return true if the matrices can be multiplied.