1 #ifndef STAN_MATH_PRIM_MAT_ERR_CHECK_LOWER_TRIANGULAR_HPP
2 #define STAN_MATH_PRIM_MAT_ERR_CHECK_LOWER_TRIANGULAR_HPP
31 template <
typename T_y>
36 const Eigen::Matrix<T_y, Eigen::Dynamic, Eigen::Dynamic>& y
38 for (
int n = 1; n < y.cols(); ++n) {
39 for (
int m = 0; m < n && m < y.rows(); ++m) {
41 std::stringstream msg;
42 msg <<
"is not lower triangular;"
45 std::string msg_str(msg.str());
bool check_lower_triangular(const char *function, const char *name, const Eigen::Matrix< T_y, Eigen::Dynamic, Eigen::Dynamic > &y)
Return true if the specified matrix is lower triangular.
void domain_error(const char *function, const char *name, const T &y, const char *msg1, const char *msg2)
Throw a domain error with a consistently formatted message.