feat: add cov to the paddle frontend (#28603)

Co-authored-by: ivy-branch <ivy.branch@lets-unify.ai>
Co-authored-by: Sam-Armstrong <samuel_e_armstrong@yahoo.co.uk>

ivy/functional/frontends/paddle/linalg.py

@@ -50,6 +50,15 @@ def cond(x, p=None, name=None):
     return ret
 
 
+# cov
+@with_supported_dtypes(
+    {"2.6.1 and below": ("complex64", "complex128", "float32", "float64")}, "paddle"
+)
+@to_ivy_arrays_and_back
+def cov(x, rowvar=True, ddof=True, fweights=None, aweights=None, name=None):
+    return ivy.cov(x, rowVar=rowvar, ddof=ddof, fweights=fweights, aweights=aweights)
+
+
 @with_supported_dtypes(
     {"2.6.0 and below": ("float32", "float64", "int32", "int64")}, "paddle"
 )

ivy_tests/test_ivy/test_frontends/test_paddle/test_linalg.py

@@ -412,6 +412,40 @@ def test_paddle_cond(
     )
 
 
+# cov
+@handle_frontend_test(
+    fn_tree="paddle.linalg.cov",
+    dtype_and_x=helpers.dtype_and_values(
+        available_dtypes=helpers.get_dtypes("float"),
+        num_arrays=1,
+        max_num_dims=2,
+    ),
+    rowvar=st.booleans(),
+    ddof=st.booleans(),
+)
+def test_paddle_cov(
+    *,
+    dtype_and_x,
+    rowvar,
+    ddof,
+    frontend,
+    test_flags,
+    fn_tree,
+    backend_fw,
+):
+    input_dtype, x = dtype_and_x
+    helpers.test_frontend_function(
+        input_dtypes=input_dtype,
+        frontend=frontend,
+        test_flags=test_flags,
+        backend_to_test=backend_fw,
+        fn_tree=fn_tree,
+        x=x,
+        rowvar=rowvar,
+        ddof=ddof,
+    )
+
+
 # Tests #
 # ----- #