X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=dive.c;h=41bbabd698868bf43c90555acc38d13a83b41a9c;hb=f3134cbb8995267e6a18b9564f3022e7fe7314a9;hp=32ea2ffe19a72f240df0638eafb1a9be3770a7d8;hpb=aa416e3c96dfa53db5ae277e72f6a03821c45cac;p=ext%2Fsubsurface.git

diff --git a/dive.c b/dive.c
index 32ea2ff..41bbabd 100644
--- a/dive.c
+++ b/dive.c
@@ -1,8 +1,35 @@
+/* dive.c */
+/* maintains the internal dive list structure */
 #include <string.h>
 #include <stdio.h>
 
 #include "dive.h"
 
+double get_depth_units(unsigned int mm, int *frac, const char **units)
+{
+	int decimals;
+	double d;
+	const char *unit;
+
+	switch (output_units.length) {
+	case METERS:
+		d = mm / 1000.0;
+		unit = "m";
+		decimals = d < 20;
+		break;
+	case FEET:
+		d = mm_to_feet(mm);
+		unit = "ft";
+		decimals = 0;
+		break;
+	}
+	if (frac)
+		*frac = decimals;
+	if (units)
+		*units = unit;
+	return d;
+}
+
 struct dive *alloc_dive(void)
 {
 	const int initial_samples = 5;
@@ -117,7 +144,6 @@ struct dive *fixup_dive(struct dive *dive)
 	int maxdepth = 0, mintemp = 0;
 	int lastdepth = 0;
 	int lasttemp = 0;
-	temperature_t *redundant_temp = NULL;
 
 	for (i = 0; i < dive->samples; i++) {
 		struct sample *sample = dive->sample + i;
@@ -141,17 +167,12 @@ struct dive *fixup_dive(struct dive *dive)
 			/*
 			 * If we have consecutive identical
 			 * temperature readings, throw away
-			 * the redundant ones. We care about
-			 * the "edges" only.
+			 * the redundant ones.
 			 */
-			if (lasttemp == temp) {
-				if (redundant_temp)
-					redundant_temp->mkelvin = 0;
-				redundant_temp = &sample->temperature;
-			} else {
-				redundant_temp = NULL;
+			if (lasttemp == temp)
+				sample->temperature.mkelvin = 0;
+			else
 				lasttemp = temp;
-			}
 
 			if (!mintemp || temp < mintemp)
 				mintemp = temp;