Optimized very slow validation routine.

src/robofish/io/validation.py

@@ -304,7 +304,8 @@ def validate_positions_range(world_size, positions, e_name):
     # positions which are just a bit over the world edge are fine
     error_allowance = 1.01
 
-    positions = np.array([p for p in positions if not any(np.isnan(p))])
+    # Remove rows where there is any nan
+    positions = np.array(positions)[~np.isnan(positions).any(axis=1)]
 
     allowed_x = [
         -1 * world_size[0] * error_allowance / 2,
@@ -334,7 +335,9 @@ def validate_positions_range(world_size, positions, e_name):
 
 
 def validate_orientations_length(orientations, e_name):
-    orientations = np.array([o for o in orientations if not any(np.isnan(o))])
+
+    # Remove rows where there is any nan
+    orientations = np.array(orientations)[~np.isnan(orientations).any(axis=1)]
 
     ori_lengths = np.linalg.norm(orientations, axis=1)