examples/using_double_on_avr/doubleproto.proto


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// A message containing doubles, as used by other applications.
message DoubleMessage {
    required double field1 = 1;
    required double field2 = 2;
}

// A message containing doubles, but redefined using uint64_t.
// For use in AVR code.
message AVRDoubleMessage {
    required fixed64 field1 = 1;
    required fixed64 field2 = 2;
}