fix: bug when converting double 2 int

src/utils.cpp

@@ -5,7 +5,7 @@ inline ZYM::int2048 Any2Int(const std::any &value) {
     return *ptr;
   else if (auto ptr = std::any_cast<double>(&value)) {
     std::stringstream buf;
-    buf << std::fixed << std::setprecision(0) << *ptr;
+    buf << std::fixed << std::setprecision(0) << std::floor(*ptr);
     std::string tmp;
     buf >> tmp;
     return std::move(ZYM::int2048(tmp));