Fix rounding error of lon-lat grid in met- and tropo-tools.

slcs-jsc · Jan 24, 2025 · f17388a · f17388a
1 parent 908703b
commit f17388a
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Showing 3 changed files with 5 additions and 5 deletions.
diff --git a/src/met_map.c b/src/met_map.c
@@ -204,7 +204,7 @@ int main(
       lon1 = gsl_stats_max(met->lon, 1, (size_t) met->nx);
     }
     nx = ny = 0;
-    for (lon = lon0; lon <= lon1; lon += dlon) {
+    for (lon = lon0; lon <= lon1 + 0.001; lon += dlon) {
       lons[nx] = lon;
       if ((++nx) >= NX)
 	ERRMSG("Too many longitudes!");
@@ -213,7 +213,7 @@ int main(
       lat0 = gsl_stats_min(met->lat, 1, (size_t) met->ny);
       lat1 = gsl_stats_max(met->lat, 1, (size_t) met->ny);
     }
-    for (lat = lat0; lat <= lat1; lat += dlat) {
+    for (lat = lat0; lat <= lat1 + 0.001; lat += dlat) {
       lats[ny] = lat;
       if ((++ny) >= NY)
 	ERRMSG("Too many latitudes!");

diff --git a/src/met_zm.c b/src/met_zm.c
@@ -123,7 +123,7 @@ int main(
       lat0 = gsl_stats_min(met->lat, 1, (size_t) met->ny);
       lat1 = gsl_stats_max(met->lat, 1, (size_t) met->ny);
     }
-    for (lat = lat0; lat <= lat1; lat += dlat) {
+    for (lat = lat0; lat <= lat1 + 0.001; lat += dlat) {
       lats[ny] = lat;
       if ((++ny) >= NY)
 	ERRMSG("Too many latitudes!");

diff --git a/src/tropo.c b/src/tropo.c
@@ -87,7 +87,7 @@ int main(
 	lon1 = gsl_stats_max(met->lon, 1, (size_t) met->nx);
       }
       nx = ny = 0;
-      for (lon = lon0; lon <= lon1; lon += dlon) {
+      for (lon = lon0; lon <= lon1 + 0.001; lon += dlon) {
 	lons[nx] = lon;
 	if ((++nx) >= EX)
 	  ERRMSG("Too many longitudes!");
@@ -96,7 +96,7 @@ int main(
 	lat0 = gsl_stats_min(met->lat, 1, (size_t) met->ny);
 	lat1 = gsl_stats_max(met->lat, 1, (size_t) met->ny);
       }
-      for (lat = lat0; lat <= lat1; lat += dlat) {
+      for (lat = lat0; lat <= lat1 + 0.001; lat += dlat) {
 	lats[ny] = lat;
 	if ((++ny) >= EY)
 	  ERRMSG("Too many latitudes!");