check to make sure we have at least 1 non fixed fit param, for lmfit

AdvancedPhotonSource · Nov 30, 2023 · 7634f95 · 7634f95
1 parent 301a29a
commit 7634f95
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/fitting/optimizers/lmfit_optimizer.cpp b/src/fitting/optimizers/lmfit_optimizer.cpp
@@ -283,6 +283,10 @@ OPTIMIZER_OUTCOME LMFit_Optimizer<T_real>::minimize(Fit_Parameters<T_real> *fit_
 
     User_Data<T_real> ud;
     std::vector<T_real> fitp_arr = fit_params->to_array();
+    if (fitp_arr.size() == 0)
+    {
+        return OPTIMIZER_OUTCOME::STOPPED;
+    }
     std::vector<T_real> perror(fitp_arr.size());
 
     size_t total_itr = _options.patience * (fitp_arr.size() + 1);
@@ -387,6 +391,10 @@ OPTIMIZER_OUTCOME LMFit_Optimizer<T_real>::minimize_func(Fit_Parameters<T_real>*
     fill_gen_user_data(ud, fit_params, spectra, energy_range, background, gen_func, use_weights);
 
     std::vector<T_real> fitp_arr = fit_params->to_array();
+    if (fitp_arr.size() == 0)
+    {
+        return OPTIMIZER_OUTCOME::STOPPED;
+    }
     std::vector<T_real> perror(fitp_arr.size());
 
     lm_status_struct<T_real> status;
@@ -438,6 +446,10 @@ OPTIMIZER_OUTCOME LMFit_Optimizer<T_real>::minimize_quantification(Fit_Parameter
     ud.fit_parameters = fit_params;
 
     std::vector<T_real> fitp_arr = fit_params->to_array();
+    if (fitp_arr.size() == 0)
+    {
+        return OPTIMIZER_OUTCOME::STOPPED;
+    }
     std::vector<T_real> perror(fitp_arr.size());
 
     lm_status_struct<T_real> status;