initialized some variables to silence warnings

arbitrile.cpp

@@ -912,7 +912,7 @@ EX void add_connection(arbi_tiling& c, int ai, int as, int bi, int bs, int m) {
   auto& ash = c.shapes[ai];
   auto& bsh = c.shapes[bi];
   add_connection_sub(c, ai, as, bi, bs, m);
-  int as1, bs1;
+  int as1 = 0, bs1 = 0; /* set to 0 to silence warning */
   if(ash.symmetric_value) {
     as1 = ash.reflect(as);
     add_connection_sub(c, ai, as1, bi, bs, !m);

bigstuff.cpp

@@ -542,7 +542,7 @@ EX void generateTreasureIsland(cell *c) {
     if(c->wall == waCTree) return;
     }
   vector<cell*> ctab;
-  int qlo, qhi;
+  int qlo = 0, qhi = 0; /* set to 0 to silence warning */
   for(int i=0; i<c->type; i++) {
     cell *c2 = createMov(c, i);
     if(!eubinary) currentmap->extend_altmap(c2->master);

complex.cpp

@@ -945,7 +945,7 @@ EX namespace clearing {
     
     int steps = 0;
     
-    int ds;
+    int ds = 0; /* set to 0 to silence warning */
     
     int stepcount = 0;
     while(true) {

rogueviz/ads/map.cpp

@@ -30,7 +30,7 @@ void compute_life(cell *c, transmatrix S1, const worldline_visitor& wv) {
     auto last_w = cur_w;
     auto next_w = cur_w;
     transmatrix next_S1;
-    ld next_t;
+    ld next_t = 0; /* set to 0 to silence warning */
     ld last_time = t;
     cell *next_c = nullptr;
     binsearch(t, t+90._deg, [&] (ld t1) {

rogueviz/dhrg/gridmapping.cpp

@@ -46,7 +46,7 @@ void do_analyze_grid(int maxv) {
   
   println(hlog, "log(gamma) = ", log(cgi.expansion->get_growth()));
   
-  ld lE, dif, lwE;
+  ld lE = 0, dif = 0, lwE;
   for(int d=0; d<32; d++) if(stats[d][0]) {
     int q = stats[d][0];
     if(q != cgi.expansion->get_descendants(d).approx_int()) continue; 

rogueviz/dhrg/mycell.cpp

@@ -124,7 +124,7 @@ void generate_root() {
   mroot->leftsibling = mroot->rightsibling = mroot;
   mroot->leftparent = mroot->rightparent = NULL;
   
-  mycell *child;
+  mycell *child = nullptr; /* silence warning */
   bool first = true;
   for(int c: cgi.expansion->children[origtype]) {
     if(first) {   

rogueviz/dpgen.cpp

@@ -116,7 +116,7 @@ void launch(int seed, int elimit, int hlimit) {
 
   pair<cell*, cell*> worst;
   if(1) {
-    int wdist = -1, wdcount;
+    int wdist = -1, wdcount = 0; /* set to silence warning */
     for(cell* x0: cl0) for(cell *x1: cl1) {
       int x = 9999;
       for(int d=0; d<4; d++) 
@@ -133,7 +133,7 @@ void launch(int seed, int elimit, int hlimit) {
   
   while(true) {
     int wdist = -1, wdcount = 0;
-    cell *worst_block;
+    cell *worst_block = nullptr; /* set to silence warning */
     for(cell *c: clboth) if(c->wall == waNone && c != c0 && c != c1) {
       c->wall = waSea;
       solve(start);

rogueviz/flocking.cpp

@@ -508,7 +508,7 @@ bool drawVertex(const shiftmatrix &V, cell *c, shmup::monster *m) {
         }
       }
     
-    ld angle;
+    ld angle = 0;
     if(swarm) angle = hrand(1000);
 
     printf("setting up...\n");

rogueviz/sag/annealing.cpp

@@ -175,7 +175,7 @@ void dofullsa_iterations(long long saiter) {
 
   // println(hlog, "before dofullsa_iterations, cost = ", double(sag::cost), " iterations = ", fts(saiter));
 
-  ld last_ratio;
+  ld last_ratio = 0;
 
   int lpct = 0;
 

rogueviz/som/voronoi.cpp

@@ -125,7 +125,7 @@ vector<pair<int, int> > compute_voronoi_edges(manifold& m) {
   /* project all the net[ni].net on the manifold */
   for(int ni=0; ni<N; ni++) {
     kohvec best;
-    int best_tri;
+    int best_tri = 0; /* set to silence warning */
     ld best_dist = HUGE_VAL;
     reaction_t better = [] {};
     set<int> triangles_to_visit;

rogueviz/sunflower.cpp

@@ -70,7 +70,7 @@ bool overlay = false;
 bool sunflower_cell(cell *c, shiftmatrix V) {
   density = zdensity / 100;
   
-  ld qd;
+  ld qd = 1;
   
   if(sphere) {
     if(infer == 'r') 

sky.cpp

@@ -261,7 +261,7 @@ void compute_skyvertices(const vector<sky_item>& sky) {
         
         int k = isize(vertices);
   
-        color_t ccolor;
+        color_t ccolor = 0;
         for(int i=0; i<k; i++) ccolor = gradient(ccolor, vcolors[i], 0, 1, i+1);
         
         hyperpoint ctr = Hypc;