[sql] Import SQLite 3.17.0.

third_party/sqlite/src/tool/logest.c

 /*
 ** 2013-06-10
 **
 ** The author disclaims copyright to this source code.  In place of
 ** a legal notice, here is a blessing:
 **
 **    May you do good and not evil.
 **    May you find forgiveness for yourself and forgive others.
 **    May you share freely, never taking more than you give.
 **
@@ skipping 129 matching lines @@
         a[n] = a[n-1];
         n++;
       }
     }else if( strcmp(z,"log")==0 ){
       if( n>0 ) a[n-1] = logEstFromInteger(a[n-1]) - 33;
     }else if( strcmp(z,"nlogn")==0 ){
       if( n>0 ) a[n-1] += logEstFromInteger(a[n-1]) - 33;
     }else if( strcmp(z,"inv")==0 ){
       if( n>0 ) a[n-1] = -a[n-1];
     }else if( z[0]=='^' ){
-      a[n++] = atoi(z+1);
+      a[n++] = (LogEst)atoi(z+1);
     }else if( isInteger(z) ){
       a[n++] = logEstFromInteger(atoi(z));
     }else if( isFloat(z) && z[0]!='-' ){
       a[n++] = logEstFromDouble(atof(z));
     }else{
       showHelp(argv[0]);
     }
   }
   for(i=n-1; i>=0; i--){
     if( a[i]<-40 ){
       printf("%5d (%f)\n", a[i], 1.0/(double)logEstToInt(-a[i]));
     }else if( a[i]<10 ){
       printf("%5d (%f)\n", a[i], logEstToInt(a[i]+100)/1024.0);
     }else{
       sqlite3_uint64 x = logEstToInt(a[i]+100)*100/1024;
       printf("%5d (%lld.%02lld)\n", a[i], x/100, x%100);
     }
   }
   return 0;
 }