From f2c5f5c30fc985c08db91e9229b2750348e3f0c2 Mon Sep 17 00:00:00 2001
From: Jason Milldrum <milldrum@gmail.com>
Date: Mon, 19 Jul 2021 13:32:51 -0700
Subject: [PATCH] Add simple lat/lon bounds check

---
 src/JTEncode.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/JTEncode.cpp b/src/JTEncode.cpp
index 6f11b49..fcb7723 100644
--- a/src/JTEncode.cpp
+++ b/src/JTEncode.cpp
@@ -462,6 +462,20 @@ void JTEncode::latlon_to_grid(float lat, float lon, char* ret_grid)
   char grid[7];
   memset(grid, 0, 7);
 
+  // Bounds checks
+  if(lat < -90.0) {
+    lat = -90.0;
+  }
+  if(lat > 90.0) {
+    lat = 90.0;
+  }
+  if(lon < -180.0) {
+    lon = -180.0;
+  }
+  if(lon > 180.0) {
+    lon = 180.0;
+  }
+
   // Normalize lat and lon
   lon += 180.0;
   lat += 90.0;