SR_API int sr_analog_float_to_string(float value, int digits, char **result);
SR_API int sr_analog_unit_to_string(const struct sr_datafeed_analog2 *analog,
char **result);
-SR_API void sr_rational_set(struct sr_rational *r, uint64_t p, uint64_t q);
+SR_API void sr_rational_set(struct sr_rational *r, int64_t p, uint64_t q);
/*--- backend.c -------------------------------------------------------------*/