1 files changed, 7 insertions, 0 deletions
diff --git a/verif/frameworks/test_builder.py b/verif/frameworks/test_builder.py
index 6e7b6a5..e86d5fe 100644
--- a/verif/frameworks/test_builder.py
+++ b/verif/frameworks/test_builder.py
@@ -317,6 +317,13 @@ class TBuilder:
         def eval(self, a):
             return tf.math.rsqrt(a, name=self.result_name)
 
+    class Sign:
+        def __init__(self, name):
+            self.result_name = name
+
+        def eval(self, a):
+            return tf.math.sign(a, name=self.result_name)
+
     class Sigmoid:
         def __init__(self, name):
             self.result_name = name