added exp to the Tensorflow frontend (#10455)

Co-authored-by: Felix Hirwa Nshuti <[email protected]>

ivy/functional/frontends/tensorflow/math.py

@@ -20,6 +20,11 @@ def add(x, y, name=None):
     return ivy.add(x, y)
 
 
+@to_ivy_arrays_and_back
+def exp(x, name=None):
+    return ivy.exp(x)
+
+
 @to_ivy_arrays_and_back
 def argmax(input, axis, output_type=None, name=None):
     output_type = to_ivy_dtype(output_type)

ivy_tests/test_ivy/test_frontends/test_tensorflow/test_math.py

@@ -93,6 +93,31 @@ def test_tensorflow_tan(
         on_device=on_device,
         x=x[0],
     )
+
+
+# exp
+@handle_frontend_test(
+    fn_tree="tensorflow.math.exp",
+    dtype_and_x=helpers.dtype_and_values(available_dtypes=helpers.get_dtypes("float")),
+    test_with_out=st.just(False),
+)
+def test_tensorflow_exp(
+    *,
+    dtype_and_x,
+    frontend,
+    test_flags,
+    fn_tree,
+    on_device,
+):
+    input_dtype, x = dtype_and_x
+    helpers.test_frontend_function(
+        input_dtypes=input_dtype,
+        frontend=frontend,
+        test_flags=test_flags,
+        fn_tree=fn_tree,
+        on_device=on_device,
+        x=x[0],
+    )
 
 
 # multiply