From 936fb6c4be6e909bb1839b3957c8fc6d1e3ad3e4 Mon Sep 17 00:00:00 2001
From: Craig Warren <craig_warren@me.com>
Date: Mon, 18 Sep 2023 20:26:51 +0100
Subject: [PATCH] Fix deprecated numpy array == test

---
 gprMax/subgrids/precursor_nodes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gprMax/subgrids/precursor_nodes.py b/gprMax/subgrids/precursor_nodes.py
index adbd0056..03a981f4 100644
--- a/gprMax/subgrids/precursor_nodes.py
+++ b/gprMax/subgrids/precursor_nodes.py
@@ -268,7 +268,7 @@ class PrecursorNodesBase:
             # interpolate over a fine grid
             f_i = self.interpolate_to_sub_grid(f_t, obj[1])
 
-            if f_i == f_t:
+            if np.array_equal(f_i, f_t):
                 raise ValueError
 
             # discard the outer nodes only required for interpolation