Revert "What was this code... strange"

This reverts commit 87cde31.

src/counter.cpp

@@ -448,9 +448,18 @@ ApproxMC::SolCount Counter::count()
 ApproxMC::SolCount Counter::calc_est_count()
 {
     ApproxMC::SolCount ret_count;
-    if (numHashList.empty() || numCountList.empty()) return ret_count;
+    if (numHashList.empty() || numCountList.empty()) {
+        return ret_count;
+    }
 
     const auto minHash = findMin(numHashList);
+    auto cnt_it = numCountList.begin();
+    for (auto hash_it = numHashList.begin()
+        ; hash_it != numHashList.end() && cnt_it != numCountList.end()
+        ; hash_it++, cnt_it++
+    ) {
+        *cnt_it *= pow(2, (*hash_it) - minHash);
+    }
     ret_count.valid = true;
     ret_count.cellSolCount = findMedian(numCountList);
     ret_count.hashCount = minHash;