38 return std::make_shared<LevmarEngine>(max_iterations);
44 double epsilon2,
double epsilon3,
double delta)
45 : m_itmax{itmax}, m_opts{tau, epsilon1, epsilon2, epsilon3, delta} {
46 #ifdef LINSOLVERS_RETAIN_MEMORY
47 logger.
warn() <<
"Using a non thread safe levmar! Parallelism will be reduced.";
54 #ifdef LINSOLVERS_RETAIN_MEMORY
65 auto adata =
std::tie(parameter_manager, residual_estimator);
68 auto levmar_res_func = [](
double *p,
double *hx, int, int,
void *extra) {
69 #ifdef LINSOLVERS_RETAIN_MEMORY
70 levmar_mutex.unlock();
72 auto* extra_ptr = (decltype(adata)*)extra;
78 #ifdef LINSOLVERS_RETAIN_MEMORY
93 #ifdef LINSOLVERS_RETAIN_MEMORY
97 auto res = dlevmar_dif(levmar_res_func,
106 covariance_matrix.
data(),
109 #ifdef LINSOLVERS_RETAIN_MEMORY
110 levmar_mutex.unlock();
121 summary.success_flag = (res != -1);
122 summary.iteration_no = info[5];
123 summary.underlying_framework_info = info;