X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=include%2Flibsigrok%2Fproto.h;h=1a3fba8c048fd9f2a6ae6989a3bad3babcf04d51;hb=40df76aacbb9f98a6e9e36f53886e1af13f150b0;hp=caa8407e23a19ede70a311b6231c3555236cb47d;hpb=b6b4f03e404e06430eca810ad2bf7ccc84262b6e;p=libsigrok.git

diff --git a/include/libsigrok/proto.h b/include/libsigrok/proto.h
index caa8407e..1a3fba8c 100644
--- a/include/libsigrok/proto.h
+++ b/include/libsigrok/proto.h
@@ -33,6 +33,11 @@ SR_API int sr_analog_to_float(const struct sr_datafeed_analog *analog,
 SR_API int sr_analog_unit_to_string(const struct sr_datafeed_analog *analog,
 		char **result);
 SR_API void sr_rational_set(struct sr_rational *r, int64_t p, uint64_t q);
+SR_API int sr_rational_eq(const struct sr_rational *a, const struct sr_rational *b);
+SR_API int sr_rational_mult(struct sr_rational *res, const struct sr_rational *a,
+		const struct sr_rational *b);
+SR_API int sr_rational_div(struct sr_rational *res, const struct sr_rational *num,
+		const struct sr_rational *div);
 
 /*--- backend.c -------------------------------------------------------------*/
 
@@ -226,6 +231,7 @@ SR_API uint64_t sr_parse_timestring(const char *timestring);
 SR_API gboolean sr_parse_boolstring(const char *boolstring);
 SR_API int sr_parse_period(const char *periodstr, uint64_t *p, uint64_t *q);
 SR_API int sr_parse_voltage(const char *voltstr, uint64_t *p, uint64_t *q);
+SR_API int sr_parse_rational(const char *str, struct sr_rational *ret);
 
 /*--- version.c -------------------------------------------------------------*/