Remove the Eq instance for Grids.

diff --git a/src/Grid.hs b/src/Grid.hs
index de5f76ac326ff6d4d169125284a3d8a9b7b381a2..59a938799e20bf1c9ada903b1f63a80cfd462de8 100644 (file)
--- a/src/Grid.hs
+++ b/src/Grid.hs
@@ -43,7 +43,7 @@ import Values (Values3D, dims, empty3d, zoom_shape)
 --   another in each direction (x,y,z).
 data Grid = Grid { h :: Double, -- MUST BE GREATER THAN ZERO!
                    function_values :: Values3D }
-          deriving (Eq, Show)
+          deriving (Show)
 
 
 instance Arbitrary Grid where