create_fort_files now also creates a cautions report for non-convergence

src/create_fort_files.cpp

@@ -43,10 +43,46 @@ int main(int argc, char const *argv[]) {
 		fortfilenum++;
 	}
 
+    int num_unconverged = 0;
+    agn::cloudy_grid::iterator result_it = grid.begin();
+    std::ofstream cautionreportfile;
+    cautionreportfile.open("cautions");
+    cautionreportfile
+        << "The following solutions probably did not converge."
+        << std::endl << std::endl;
+    while(result_it != grid.end()) {
+        if (result_it->second.iterations >= 40) {
+            num_unconverged++;
+            cautionreportfile
+                << "hden = "
+                << std::fixed
+                << std::setprecision(3)
+                << result_it->second.hden
+                << ", phi = "
+                << result_it->second.phi
+                << std::endl
+                << "───────────────────────────"
+                << std::endl;
+            std::list<std::string>::iterator caution_it = result_it->second.cautions.begin();
+            while(caution_it != result_it->second.cautions.end()) {
+                cautionreportfile
+                    << *caution_it
+                    << std::endl;
+                    caution_it++;
+            }
+            cautionreportfile << std::endl << std::endl;
+        }
+        result_it++;
+    }
+
+    std::cout
+        << "Saved cautions for "
+        << num_unconverged
+        << " unconverged solutions."
+        << std::endl;
+        cautionreportfile.close();
+
 	std::cout << "Done.\n";
 	return 0;
 }
 
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