1 files changed, 59 insertions, 0 deletions

diff --git a/test/gie/more_builtins.gie b/test/gie/more_builtins.gie
index ba146b06..75ba55e9 100644
--- a/test/gie/more_builtins.gie
+++ b/test/gie/more_builtins.gie
@@ -794,5 +794,64 @@ expect  25  25  25  25
 operation +proj=aeqd +R=1 +lat_0=91
 expect  failure errno lat_larger_than_90
 
+-------------------------------------------------------------------------------
+# cart
+-------------------------------------------------------------------------------
+
+operation   +proj=cart +ellps=GRS80
+tolerance 0.001mm
+
+accept      0 0 0
+expect      6378137 0 0
+
+accept      0 90 0
+expect      0 0 6356752.314140347
+
+accept      0 -90 0
+expect      0 0 -6356752.314140347
+
+accept      90 0 0
+expect      0 6378137 0
+
+accept      -90 0 0
+expect      0 -6378137 0
+
+accept      180 0 0
+expect      -6378137 0 0
+
+accept      -180 0 0
+expect      -6378137 0 0
+
+# Center of Earth !
+accept      0 0 -6378137
+expect      0 0 0
+
+accept      0 90 -6356752.314140347
+expect      0 0 0
+
+direction inverse
+
+accept      6378137 0 0
+expect      0 0 0
+
+accept      0 0 6356752.314140347
+expect      0 90 0
+
+accept      0 0 -6356752.314140347
+expect      0 -90 0
+
+accept      0 6378137 0
+expect      90 0 0
+
+accept      0 -6378137 0
+expect      -90 0 0
+
+accept      -6378137 0 0
+expect      180 0 0
+
+# Center of Earth !
+accept      0 0 0
+expect      0 0 -6378137
+
 
 </gie>