feat(tools): enhance device writer with new format

src/mynteye/device/types.cc

@@ -43,6 +43,7 @@ std::vector<std::string> Version::split(const std::string &s) {
 }
 
 Version::value_t Version::parse_part(const std::string &name, size_t part) {
+  if (name.empty()) return 0;
   return std::stoi(split(name)[part]);
 }
 

src/mynteye/types.cc

@@ -201,6 +201,17 @@ const char *to_string(const CalibrationModel &model) {
 #undef CASE
 }
 
+std::ostream &operator<<(std::ostream &os, const IntrinsicsBase &in) {
+  switch (in.calib_model()) {
+    case CalibrationModel::PINHOLE:
+      return os << dynamic_cast<const IntrinsicsPinhole &>(in);
+    case CalibrationModel::KANNALA_BRANDT:
+      return os << dynamic_cast<const IntrinsicsEquidistant &>(in);
+    default:
+      return os << "unknown calib model";
+  }
+}
+
 std::ostream &operator<<(std::ostream &os, const IntrinsicsPinhole &in) {
   os << "pinhole, " << FULL_PRECISION
      << "width: " << in.width << ", height: " << in.height