X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=dive.h;h=e36839a1e90962a317d5a02676786f7f59f6f6a6;hb=d3feb78df5278f0f132875c60f33fdb2168087eb;hp=abfd95174f60c63ccbfd415e5bca2e98c5e57b2f;hpb=5804c2970eaaf0215b9862f767cf7aa745083744;p=ext%2Fsubsurface.git

diff --git a/dive.h b/dive.h
index abfd951..e36839a 100644
--- a/dive.h
+++ b/dive.h
@@ -86,23 +86,38 @@ typedef struct {
 	pressure_t start, end;
 } cylinder_t;
 
+static inline double mm_to_feet(int mm)
+{
+	return mm * 0.00328084;
+}
+
 static inline int to_feet(depth_t depth)
 {
-	return depth.mm * 0.00328084 + 0.5;
+	return mm_to_feet(depth.mm) + 0.5;
+}
+
+static double mkelvin_to_C(int mkelvin)
+{
+	return (mkelvin - 273150) / 1000.0;
+}
+
+static double mkelvin_to_F(int mkelvin)
+{
+	return mkelvin * 9 / 5000.0 - 459.670;
 }
 
 static inline int to_C(temperature_t temp)
 {
 	if (!temp.mkelvin)
 		return 0;
-	return (temp.mkelvin - 273150 + 499) / 1000;
+	return mkelvin_to_C(temp.mkelvin) + 0.5;
 }
 
 static inline int to_F(temperature_t temp)
 {
 	if (!temp.mkelvin)
 		return 0;
-	return temp.mkelvin * 9 / 5000.0 - 459.670 + 0.5;
+	return mkelvin_to_F(temp.mkelvin) + 0.5;
 }
 
 static inline int to_K(temperature_t temp)
@@ -207,6 +222,8 @@ extern void report_dives(void);
 extern struct dive *fixup_dive(struct dive *dive);
 extern struct dive *try_to_merge(struct dive *a, struct dive *b);
 
+extern void update_air_info(char *buffer);
+
 #define DIVE_ERROR_PARSE 1
 
 #endif /* DIVE_H */