From e488aed919c541b40dc8a10de305980e964a4889 Mon Sep 17 00:00:00 2001
From: Karryanna <karry@karryanna.cz>
Date: Wed, 13 May 2015 19:04:48 +0200
Subject: [PATCH] Labelling: Let's evolve!

---
 labeller.c | 104 ++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 84 insertions(+), 20 deletions(-)

diff --git a/labeller.c b/labeller.c
index f0ddeff..3c5e4fa 100644
--- a/labeller.c
+++ b/labeller.c
@@ -51,6 +51,8 @@ int dbg_movement = 0;
 int dbg_init = 0;
 int dbg_overlaps = 0;
 int dbg_rank = 0;
+int dbg_evolution = 0;
+int dbg_mutation = 0;
 
 int page_width_int;
 int page_height_int;
@@ -73,16 +75,20 @@ int conf_breed_pop_size_perc = 20;
 int conf_breed_perc = 50;			// Percentage of new pop created by breeding
 
 bool conf_mutate_children = 1;
-int conf_mutate_children_prob = 0.3;
+double conf_mutate_children_prob = 0.3;
 
-int conf_mutate_rbest_perc = 60;
-int conf_mutate_pop_size_perc = 20;
+double conf_mutate_rbest = 1;
+double conf_mutate_pop_size = 0.9;
 
-int conf_mutate_move_bound = 0.2;
-int conf_mutate_regen_bound = 0.1;
-int conf_mutate_chvar_bound = 0.1;
+double conf_mutate_move_bound = 1.0;
+double conf_mutate_regen_bound = 0.0;
+double conf_mutate_chvar_bound = 0.0;
 
-int conf_elite_perc = 5;
+int mutate_pop_size;
+int mutate_rbest_size;
+
+double conf_elite_pop_size = 0.1;
+int elite_pop_size;
 
 double conf_max_section_length = 100;
 double conf_max_section_overlay = 10;
@@ -144,6 +150,7 @@ void dump_longlines(void);
 void dump_linelabel_requests(void);
 void dump_individual(struct individual *individual);
 void print_label(struct symbol *sym);
+void dump_penalties(void);
 
 double gen_movement(void);
 double gen_movement_uniform(void);
@@ -1033,7 +1040,14 @@ if (dbg_plan)
         ASSERT(s->type != SYMBOLIZER_INVALID);
     }
   }
+}
 
+void dump_penalties(void)
+{
+  for (int i=0; i<conf_pop_size; i++)
+  {
+    printf("Individual %d has penalty %d\n", i, population1[i]->penalty);
+  }
 }
 
 void labeller_label(void)
@@ -1048,20 +1062,53 @@ printf("Having %u point requests, %u line requests and %u area requests\n", GARY
   GARY_INIT(population1, conf_pop_size);
   GARY_INIT(population2, conf_pop_size);
   make_population();
+  rank_population();
+  qsort(population1, conf_pop_size, sizeof(struct individual *), cmp_individual);
+
+  if (dbg_evolution)
+    dump_penalties();
 
   printf("Dealing with %d requests\n", num_requests);
 
-/*
+  mutate_pop_size = conf_mutate_pop_size * conf_pop_size;
+  mutate_rbest_size = conf_mutate_rbest * conf_pop_size;
+  if (dbg_evolution)
+  {
+    printf("Mutation parameters:\n");
+    printf(" %d individuals are created\n", mutate_pop_size);
+    printf(" %d best individuals in old population are considered\n", mutate_rbest_size);
+  }
+
+  elite_pop_size = conf_elite_pop_size * conf_pop_size;
+  if (dbg_evolution)
+  {
+    printf("Elitism parameters:\n");
+    printf(" %d best individuals are copied\n", elite_pop_size);
+  }
+
   while (! shall_terminate())
   {
     iteration++;
+    if (dbg_evolution)
+      printf("*** Iteration %d ***\n", iteration);
+
+    mutate();
+    elite();
 
     struct individual **swp = population1;
     population1 = population2;
     population2 = swp;
     pop2_ind = 0;
+
+    if (dbg_evolution)
+      dump_penalties();
+
+    rank_population();
+    qsort(population1, conf_pop_size, sizeof(struct individual *), cmp_individual);
+
+    if (dbg_evolution)
+      dump_penalties();
   }
-*/
 
   plan_individual(population1[0]);
 
@@ -1216,12 +1263,16 @@ struct individual **perform_crossover(struct individual *parent1, struct individ
 
 void mutate(void)
 {
-  int i = 0;
-  int conf_mutate_pop_size = conf_mutate_pop_size_perc * conf_pop_size;
-  while (i < conf_mutate_rbest_perc * conf_pop_size)
+  for (int i=0; i < mutate_pop_size; i++)
   {
-    int ind = randint(1, conf_mutate_pop_size);
-    copy_individual(population2[pop2_ind], population1[ind]);
+    if (dbg_mutation)
+      printf("%d\n", i);
+    int ind = randint(1, mutate_rbest_size);
+    if (dbg_mutation)
+      printf("Mutating %d-th individual of original population\n", ind);
+    copy_individual(population1[ind], population2[pop2_ind]);
+    if (dbg_mutation)
+      printf("Individual %d in pop2 inited from individual %d in pop1\n", pop2_ind, ind);
     perform_mutation(population2[pop2_ind]);
     pop2_ind++;
   }
@@ -1231,11 +1282,13 @@ void perform_mutation(struct individual *individual)
 {
   for (uns i=0; i<GARY_SIZE(individual->placements); i++)
   {
-    int x = randint(1, 1000);
-    int acc = 0;
+    double x = randdouble();
+    double acc = 0;
 
     if (x <= acc + conf_mutate_move_bound)
     {
+      if (dbg_mutation)
+        printf("Mutation: Moving symbol in placement %u\n", i);
       move_symbol(&(individual->placements[i]));
       continue;
     }
@@ -1250,9 +1303,20 @@ void perform_mutation(struct individual *individual)
 
     if (x <= acc + conf_mutate_chvar_bound)
     {
-      if (0) // if num_variants > 1
+      struct placement *p = &(individual->placements[i]);
+      switch (p->request->type)
       {
-        // FIXME: assign new variant
+        case REQUEST_POINT:
+        case REQUEST_SEGMENT:
+        case REQUEST_AREA:
+          // Does nothing when there are 0 variants... does it mind?
+          p->variant_used = randint(0, GARY_SIZE(p->request->variants) - 1);
+          break;
+        case REQUEST_SECTION:
+          p->variant_used = randint(0, GARY_SIZE(((struct request_section *) p->request)->segments)-1);
+          break;
+        default:
+          ;
       }
     }
   }
@@ -1260,9 +1324,9 @@ void perform_mutation(struct individual *individual)
 
 void elite(void)
 {
-  for (int i=0; i<conf_elite_perc * conf_pop_size; i++)
+  for (int i=0; i<elite_pop_size; i++)
   {
-    population2[pop2_ind++] = population1[0];
+    copy_individual(population1[i], population2[pop2_ind++]);
   }
 }
 
-- 
2.39.2