From 65c1bdd44d46606a19ff884f8599817b0d6cd3d2 Mon Sep 17 00:00:00 2001
From: Kaj-Michael Lang <milang@angel.tal.org>
Date: Tue, 7 Aug 2007 11:27:52 +0300
Subject: [PATCH] Use double when deadling with lat/lon

---
 src/latlon.c       |  4 ++--
 src/mapper-types.h |  4 ++--
 src/poi.h          |  8 ++++----
 src/utils.c        | 14 +++++++-------
 src/utils.h        |  6 +++---
 5 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/src/latlon.c b/src/latlon.c
index 01f46d4..5b14311 100644
--- a/src/latlon.c
+++ b/src/latlon.c
@@ -39,8 +39,8 @@ return lrint(sqrt((double)((lat1-lat2)*(lat1-lat2)+(lon1-lon2)*(lon1-lon2))));
  * Calculate the distance between two lat/lon pairs.  The distance is returned
  * in kilometer.
  */
-gfloat
-calculate_distance(gfloat lat1, gfloat lon1, gfloat lat2, gfloat lon2)
+gdouble
+calculate_distance(gdouble lat1, gdouble lon1, gdouble lat2, gdouble lon2)
 {
 gdouble dlat, dlon, slat, slon, a;
 
diff --git a/src/mapper-types.h b/src/mapper-types.h
index 8aa9edc..434aacc 100644
--- a/src/mapper-types.h
+++ b/src/mapper-types.h
@@ -182,8 +182,8 @@ gchar *SPEED_LOCATION_TEXT[SPEED_LOCATION_ENUM_COUNT];
 /** A lat/lon/alt position */
 typedef struct _Position Position;
 struct _Position {
-	gfloat lat;
-	gfloat lon;
+	gdouble lat;
+	gdouble lon;
 	gfloat altitude;
 };
 
diff --git a/src/poi.h b/src/poi.h
index 485cfc5..b58dea1 100644
--- a/src/poi.h
+++ b/src/poi.h
@@ -23,8 +23,8 @@ struct _PoiDb {
 
 typedef struct _PoiData PoiData;
 struct _PoiData {
-	gfloat lat;
-	gfloat lon;
+	gdouble lat;
+	gdouble lon;
 	gchar *name;
 	gchar *desc;
 };
@@ -34,8 +34,8 @@ typedef struct _PoiInfo PoiInfo;
 struct _PoiInfo {
 	guint poi_id;
 	guint cat_id;
-	gfloat lat;
-	gfloat lon;
+	gdouble lat;
+	gdouble lon;
 	gchar *label;
 	gchar *desc;
 	gchar *cat_label;
diff --git a/src/utils.c b/src/utils.c
index 229e19b..3f3ee3e 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -53,9 +53,9 @@ if (!fork()) {
 }
 
 #if 0
-void latlon2unit(gfloat lat, gfloat lon, gint *unitx_, gint *unity_)
+void latlon2unit(gdouble lat, gdouble lon, gint *unitx_, gint *unity_)
 {
-	gfloat tmp;
+	gdouble tmp;
 
 	gint unitx = &unitx_;
 	gint unity = &unity_;
@@ -66,7 +66,7 @@ void latlon2unit(gfloat lat, gfloat lon, gint *unitx_, gint *unity_)
 	    * (logf((1.f + tmp) / (1.f - tmp)) * 0.5f - MERCATOR_TOP);
 }
 
-void unit2latlon(gint unitx, gint unity, gfloat *lat, gfloat *lon)
+void unit2latlon(gint unitx, gint unity, gdouble *lat, gdouble *lon)
 {
 	(lon) = ((unitx) * (360.f / WORLD_SIZE_UNITS)) - 180.f;
 	(lat) = (360.f * (atanf(expf(((unity)
@@ -76,11 +76,11 @@ void unit2latlon(gint unitx, gint unity, gfloat *lat, gfloat *lon)
 #endif
 
 void
-deg_format(DegFormat degformat, gfloat coor, gchar * scoor, gchar neg_char,
+deg_format(DegFormat degformat, gdouble coor, gchar * scoor, gchar neg_char,
 	   gchar pos_char)
 {
-	gfloat min;
-	gfloat acoor = fabs(coor);
+	gdouble min;
+	gdouble acoor = fabs(coor);
 	printf("%s()\n", __PRETTY_FUNCTION__);
 
 	switch (degformat) {
@@ -123,7 +123,7 @@ deg_format(DegFormat degformat, gfloat coor, gchar * scoor, gchar neg_char,
  */
 void integerize_data()
 {
-	gfloat tmp;
+	gdouble tmp;
 	printf("%s()\n", __PRETTY_FUNCTION__);
 
 	latlon2unit(_gps.lat, _gps.lon, _pos.unitx, _pos.unity);
diff --git a/src/utils.h b/src/utils.h
index 0e6d5ca..efd0b58 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -175,7 +175,7 @@
 };
 
 #define latlon2unit(lat, lon, unitx, unity) { \
-    gfloat tmp; \
+    gdouble tmp; \
     unitx = (lon + 180.f) * (WORLD_SIZE_UNITS / 360.f) + 0.5f; \
     tmp = sinf(lat * (PI / 180.f)); \
     unity = 0.5f + (WORLD_SIZE_UNITS / MERCATOR_SPAN) \
@@ -339,8 +339,8 @@ if (_http_proxy_host) { \
 
 gint download_comparefunc(const ProgressUpdateInfo * a,
 			  const ProgressUpdateInfo * b, gpointer user_data);
-gfloat calculate_distance(gfloat lat1, gfloat lon1, gfloat lat2, gfloat lon2);
-void deg_format(DegFormat degformat, gfloat coor, gchar *scoor, gchar neg_char, gchar pos_char);
+gdouble calculate_distance(gdouble lat1, gdouble lon1, gdouble lat2, gdouble lon2);
+void deg_format(DegFormat degformat, gdouble coor, gchar *scoor, gchar neg_char, gchar pos_char);
 void integerize_data();
 
 #endif
-- 
2.39.5