protobuf/upb/lex/round_trip.h

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#ifndef UPB_LEX_ROUND_TRIP_H_
#define UPB_LEX_ROUND_TRIP_H_

// Must be last.
#include "upb/port/def.inc"

// Encodes a float or double that is round-trippable, but as short as possible.
// These routines are not fully optimal (not guaranteed to be shortest), but are
// short-ish and match the implementation that has been used in protobuf since
// the beginning.

// The given buffer size must be at least kUpb_RoundTripBufferSize.
enum { kUpb_RoundTripBufferSize = 32 };

#ifdef __cplusplus
extern "C" {
#endif

void _upb_EncodeRoundTripDouble(double val, char* buf, size_t size);
void _upb_EncodeRoundTripFloat(float val, char* buf, size_t size);

#ifdef __cplusplus
} /* extern "C" */
#endif

#include "upb/port/undef.inc"

#endif /* UPB_LEX_ROUND_TRIP_H_ */