tovec

Author: wjblanke

src/integer_common.h

@@ -192,16 +192,18 @@ struct integer {
     //lsb first
     vector<uint64> to_vector() const {
         vector<uint64> res;
-        res.resize(mpz_sizeinbase(impl, 2)/64 + 1, 0);
 
-        size_t count;
-        mpz_export(res.data(), &count, -1, 8, 0, 0, impl);
-        if (count == 0) {
+        if (mpz_size(impl)==0) {
             res.resize(1);
             res[0]=0;
+            return res;
         }
-        else
-            res.resize(count);
+
+        res.resize(mpz_sizeinbase(impl, 2)/64 + 1, 0);
+
+        size_t count;
+        mpz_export(res.data(), &count, -1, 8, 0, 0, impl);
+        res.resize(count);
 
         return res;
     }