Add framework tests for tfl.atan2

Signed-off-by: Luke Hutton <luke.hutton@arm.com>
Change-Id: I11a891296a040f4e48187d0d51a4dd2c554805ac
diff --git a/verif/frameworks/test_builder.py b/verif/frameworks/test_builder.py
index e86d5fe..407902a 100644
--- a/verif/frameworks/test_builder.py
+++ b/verif/frameworks/test_builder.py
@@ -352,6 +352,13 @@
         def eval(self, a):
             return tf.math.cos(a, name=self.result_name)
 
+    class Atan2:
+        def __init__(self, name):
+            self.result_name = name
+
+        def eval(self, a, b):
+            return tf.math.atan2(a, b, name=self.result_name)
+
     class Square:
         def __init__(self, name):
             self.result_name = name
diff --git a/verif/frameworks/tosa_verif_framework_generator.py b/verif/frameworks/tosa_verif_framework_generator.py
index c93fc88..60106a1 100755
--- a/verif/frameworks/tosa_verif_framework_generator.py
+++ b/verif/frameworks/tosa_verif_framework_generator.py
@@ -335,6 +335,13 @@
         "build_fcn": (TBuilder.Cos, TGen.tgBasic, ArgGen.agNone),
         "types": TYPE_F,
     },
+    "atan2": {
+        "operands": (2, 0),
+        "build_fcn": (TBuilder.Atan2, TGen.tgBasic, ArgGen.agNone),
+        "types": {
+            "tflite": TYPE_F,
+        },
+    },
     "square": {
         "operands": (1, 0),
         "build_fcn": (TBuilder.Square, TGen.tgBasic, ArgGen.agNone),