X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=divelist.c;h=eb8f231432a99f33f40a8ca0341aee8a66b14148;hb=2b0f30c3d4773d4e78daf7e2ce76f5c3f3a2d0b3;hp=acaf08d38a8e5ce29e26d95c932b7d9b43bd182d;hpb=b26ca781b87371e77b851298093b0a7136be64fa;p=ext%2Fsubsurface.git

diff --git a/divelist.c b/divelist.c
index acaf08d..eb8f231 100644
--- a/divelist.c
+++ b/divelist.c
@@ -223,7 +223,6 @@ static void sac_data_func(GtkTreeViewColumn *col,
 			  gpointer data)
 {
 	int value;
-	const double liters_per_cuft = 28.317;
 	const char *fmt;
 	char buffer[16];
 	double sac;
@@ -242,7 +241,7 @@ static void sac_data_func(GtkTreeViewColumn *col,
 		break;
 	case CUFT:
 		fmt = "%4.2f";
-		sac /= liters_per_cuft;
+		sac = ml_to_cuft(sac * 1000);
 		break;
 	}
 	snprintf(buffer, sizeof(buffer), fmt, sac);
@@ -300,6 +299,7 @@ static double calculate_airuse(struct dive *dive)
 	int i;
 
 	for (i = 0; i < MAX_CYLINDERS; i++) {
+		pressure_t start, end;
 		cylinder_t *cyl = dive->cylinder + i;
 		int size = cyl->type.size.mliter;
 		double kilo_atm;
@@ -307,7 +307,9 @@ static double calculate_airuse(struct dive *dive)
 		if (!size)
 			continue;
 
-		kilo_atm = (cyl->start.mbar - cyl->end.mbar) / 1013250.0;
+		start = cyl->start.mbar ? cyl->start : cyl->sample_start;
+		end = cyl->end.mbar ? cyl->end : cyl->sample_end;
+		kilo_atm = (to_ATM(start) - to_ATM(end)) / 1000.0;
 
 		/* Liters of air at 1 atm == milliliters at 1k atm*/
 		airuse += kilo_atm * size;