Added a runtime meta-option for the quick Lyman-alpha model

README

@@ -52,7 +52,10 @@ Parameters:
                                       --limiter --sync --self-gravity --stars 
                                       --star-formation --cooling --feedback 
                                       --black-holes --fof. 
-
+    --quick-lyman-alpha               Run with all the options needed for the 
+                                      quick Lyman-alpha model. This is equivalent 
+                                      to --hydro --self-gravity --stars --star-formation 
+                                      --cooling.
   Control options:
   
     -a, --pin                         Pin runners using processor affinity.

README.md

@@ -103,6 +103,10 @@ Parameters:
                                       --limiter --sync --self-gravity --stars 
                                       --star-formation --cooling --feedback 
                                       --black-holes --fof.
+    --quick-lyman-alpha               Run with all the options needed for the 
+                                      quick Lyman-alpha model. This is equivalent 
+                                      to --hydro --self-gravity --stars --star-formation 
+                                      --cooling.
 				      
   Control options:
   

doc/RTD/source/CommandLineOptions/index.rst

@@ -49,7 +49,10 @@ can be found by typing ``./swift -h``:
                                       --limiter --sync --self-gravity --stars 
                                       --star-formation --cooling --feedback 
                                       --black-holes --fof. 
-
+    --quick-lyman-alpha               Run with all the options needed for the 
+                                      quick Lyman-alpha model. This is equivalent 
+                                      to --hydro --self-gravity --stars --star-formation 
+                                      --cooling.
   Control options:
 
     -a, --pin                         Pin runners using processor affinity.

examples/main.c

@@ -171,6 +171,7 @@ int main(int argc, char *argv[]) {
   int with_structure_finding = 0;
   int with_logger = 0;
   int with_eagle = 0;
+  int with_qla = 0;
   int verbose = 0;
   int nr_threads = 1;
   int with_verbose_timers = 0;
@@ -238,6 +239,11 @@ int main(int argc, char *argv[]) {
           "equivalent to --hydro --limiter --sync --self-gravity --stars "
           "--star-formation --cooling --feedback --black-holes --fof.",
           NULL, 0, 0),
+      OPT_BOOLEAN(0, "quick-lyman-alpha", &with_qla,
+                  "Run with all the options needed for the quick Lyman-alpha "
+                  "model. This is equivalent to --hydro --self-gravity --stars "
+                  "--star-formation --cooling.",
+                  NULL, 0, 0),
 
       OPT_GROUP("  Control options:\n"),
       OPT_BOOLEAN('a', "pin", &with_aff,
@@ -309,6 +315,13 @@ int main(int argc, char *argv[]) {
     with_black_holes = 1;
     with_fof = 1;
   }
+  if(with_qla) {
+    with_hydro = 1;
+    with_self_gravity = 1;
+    with_stars = 1;
+    with_star_formation = 1;
+    with_cooling = 1;
+  }
 
   /* Write output parameter file */
   if (myrank == 0 && output_parameters_filename != NULL) {