Added standalone parameter that is not found under a section.

tests/testParser.c

@@ -32,6 +32,7 @@ int main(int argc, char *argv[]) {
   /* Create variables that will be set from the parameter file. */
   int no_of_threads = 0;
   int no_of_time_steps = 0;
+  int kernel = 0;
   float max_h = 0.0f;
   double start_time = 0.0;
   char ic_file [PARSER_MAX_LINE_SIZE];
@@ -48,20 +49,23 @@ int main(int argc, char *argv[]) {
   /* Retrieve parameters and store them in variables defined above. 
    * Have to specify the name of the parameter as it appears in the 
    * input file: testParserInput.yaml.*/
-  parser_get_param_int(&param_file,"no_of_threads",&no_of_threads);
-  parser_get_param_int(&param_file,"no_of_time_steps",&no_of_time_steps);
-  parser_get_param_float(&param_file,"max_h",&max_h);
-  parser_get_param_double(&param_file,"start_time",&start_time);
-  parser_get_param_string(&param_file,"ic_file",ic_file);
-  
+  parser_get_param_int(&param_file,"Scheduler:no_of_threads",&no_of_threads);
+  parser_get_param_int(&param_file,"Simulation:no_of_time_steps",&no_of_time_steps);
+  parser_get_param_float(&param_file,"Simulation:max_h",&max_h);
+  parser_get_param_double(&param_file,"Simulation:start_time",&start_time);
+  parser_get_param_string(&param_file,"IO:ic_file",ic_file);
+ 
+  parser_get_param_int(&param_file,"kernel",&kernel);
+
   /* Print the variables to check their values are correct. */
-  printf("no_of_threads: %d, no_of_time_steps: %d, max_h: %f, start_time: %lf, ic_file: %s\n",no_of_threads, no_of_time_steps, max_h, start_time, ic_file);
+  printf("no_of_threads: %d, no_of_time_steps: %d, max_h: %f, start_time: %lf, ic_file: %s, kernel: %d\n",no_of_threads, no_of_time_steps, max_h, start_time, ic_file, kernel);
 
   assert(no_of_threads == 16);
   assert(no_of_time_steps == 10);
   assert(fabs(max_h - 1.1255) < 0.00001);
   assert(fabs(start_time - 1.23456789) < 0.00001);
   assert(strcmp(ic_file,"ic_file.ini") == 0); /*strcmp returns 0 if correct.*/
+  assert(kernel == 4);
 
   return 0;
 }

tests/testParserInput.yaml

 ---
-no_of_threads:      16 # The number of threads that will be used. 
-no_of_time_steps:   10
-max_h:              1.1255
-start_time:         1.23456789
-#Input file
-ic_file:            ic_file.ini
+#section_1:
+#    var_a: 4.5e10
+#    var_b: Hello World!
 
+kernel: 4
+
+Scheduler:
+    no_of_threads:      16 # The number of threads that will be used. 
+
+Simulation:    
+    no_of_time_steps:   10
+    max_h:              1.1255
+    start_time:         1.23456789
+
+IO:
+    #Input file
+    ic_file:            ic_file.ini
 ...