EHN: function outer is added in math.py (#18560)

Co-authored-by: Ookamice <[email protected]>

ivy/functional/frontends/paddle/tensor/math.py

@@ -325,6 +325,12 @@ def sgn(x, name=None):
     return ivy.sign(x, np_variant=True)
 
 
+@with_supported_dtypes({"2.5.0 and below": ("float32", "float64")}, "paddle")
+@to_ivy_arrays_and_back
+def outer(x, y, name=None):
+    return ivy.outer(x, y)
+
+
 # maximum
 @with_unsupported_dtypes({"2.5.0 and below": ("float16", "bfloat16")}, "paddle")
 @to_ivy_arrays_and_back

ivy_tests/test_ivy/test_frontends/test_paddle/test_tensor/test_math.py

@@ -1502,3 +1502,34 @@ def test_paddle_lerp(
         y=x[1],
         weight=x[2],
     )
+
+
+# outer
+@handle_frontend_test(
+    fn_tree="paddle.tensor.math.outer",
+    dtype_and_x=helpers.dtype_and_values(
+        available_dtypes=helpers.get_dtypes("valid"),
+        num_arrays=2,
+        min_num_dims=1,
+        max_num_dims=1,
+        shared_dtype=True,
+    ),
+)
+def test_paddle_outer(
+    *,
+    dtype_and_x,
+    on_device,
+    fn_tree,
+    frontend,
+    test_flags,
+):
+    input_dtype, x = dtype_and_x
+    helpers.test_frontend_function(
+        input_dtypes=input_dtype,
+        frontend=frontend,
+        fn_tree=fn_tree,
+        test_flags=test_flags,
+        on_device=on_device,
+        x=x[0],
+        y=x[1],
+    )