From f17388a927fc1c46fe82048fa047574f787dd27a Mon Sep 17 00:00:00 2001
From: Lars Hoffmann <l.hoffmann@fz-juelich.de>
Date: Fri, 24 Jan 2025 16:27:10 +0100
Subject: [PATCH] Fix rounding error of lon-lat grid in met- and tropo-tools.

---
 src/met_map.c | 4 ++--
 src/met_zm.c  | 2 +-
 src/tropo.c   | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/met_map.c b/src/met_map.c
index 487040f05..1535ed8bc 100644
--- 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
index 6bc21ddab..d3f914103 100644
--- 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
index 0ad6dea7d..7f081a2ad 100644
--- 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!");