add ordering flag to config to define "default" ordering semantics

codes/configuration.h

@@ -39,6 +39,10 @@ typedef struct config_anno_map_s
     // only explicit annotations tracked here - use a flag to indicate a
     // non-annotated LP type
     int has_unanno_lp;
+    // for configuration/mapping functions to be able to provide "default"
+    // (annotation-ignoring) lookup semantics, provide a flag to determine if
+    // the unannotated lp type is first
+    int is_unanno_first;
     uint64_t num_annos;
     // maintain the number of lps that have the particular annotation 
     uint64_t num_anno_lps[CONFIGURATION_MAX_ANNOS];

src/modelconfig/configuration.c

@@ -284,6 +284,8 @@ static void check_add_anno(
         config_anno_map_t *map){
     if (anno[0] == '\0'){
         map->has_unanno_lp = 1;
+        if (!map->num_annos)
+            map->is_unanno_first = 1;
     }
     else{
         uint64_t a = 0;
@@ -322,6 +324,7 @@ static void check_add_lp_type_anno(
         strcpy(map->lp_name, lp_name);
         map->num_annos = 0;
         map->has_unanno_lp = 0;
+        map->is_unanno_first = 0;
         memset(map->num_anno_lps, 0, 
                 CONFIGURATION_MAX_ANNOS*sizeof(*map->num_anno_lps));
         check_add_anno(anno, map);