Stan Math Library  2.20.0
reverse mode automatic differentiation
mdivide_left_tri_low.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_MDIVIDE_LEFT_TRI_LOW_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_MDIVIDE_LEFT_TRI_LOW_HPP
3 
4 #include <boost/math/tools/promotion.hpp>
9 
10 namespace stan {
11 namespace math {
12 
34 template <typename T1, typename T2, int R1, int C1, int R2, int C2>
35 inline Eigen::Matrix<typename boost::math::tools::promote_args<T1, T2>::type,
36  R1, C2>
37 mdivide_left_tri_low(const Eigen::Matrix<T1, R1, C1> &A,
38  const Eigen::Matrix<T2, R2, C2> &b) {
39  check_square("mdivide_left_tri_low", "A", A);
40  check_multiplicable("mdivide_left_tri_low", "A", A, "b", b);
41  return mdivide_left_tri<Eigen::Lower>(A, b);
42 }
43 
44 template <typename T, int R1, int C1>
45 inline Eigen::Matrix<T, R1, C1> mdivide_left_tri_low(
46  const Eigen::Matrix<T, R1, C1> &A) {
47  check_square("mdivide_left_tri_low", "A", A);
48  return mdivide_left_tri<Eigen::Lower>(A);
49 }
50 
51 } // namespace math
52 } // namespace stan
53 #endif
void check_square(const char *function, const char *name, const matrix_cl &y)
Check if the matrix_cl is square.
void check_multiplicable(const char *function, const char *name1, const T1 &y1, const char *name2, const T2 &y2)
Check if the matrices can be multiplied.
Eigen::Matrix< fvar< T >, R1, C1 > mdivide_left_tri_low(const Eigen::Matrix< fvar< T >, R1, C1 > &A, const Eigen::Matrix< fvar< T >, R2, C2 > &b)

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