Added support for aten::randperm and aten::polar (#29585)

### Details:
 added support for aten::randperm and tests

 currently working on aten::polar and others 

### Tickets:
 - #29547

---------

Co-authored-by: Maxim Vafin <maxim.vafin@intel.com>

Author: vijaykr338

src/frontends/pytorch/src/op/polar.cpp

@@ -0,0 +1,34 @@
+// Copyright (C) 2018-2025 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include "openvino/frontend/complex_type_mark.hpp"
+#include "openvino/op/convert.hpp"
+#include "openvino/op/cos.hpp"
+#include "openvino/op/multiply.hpp"
+#include "openvino/op/sin.hpp"
+#include "utils.hpp"
+
+namespace ov {
+namespace frontend {
+namespace pytorch {
+namespace op {
+
+using namespace ov::op;
+
+OutputVector translate_polar(const NodeContext& context) {
+    num_inputs_check(context, 2, 3);
+    auto abs = context.get_input(0);
+    auto angle = context.get_input(1);
+    auto cos_node = context.mark_node(std::make_shared<v0::Cos>(angle));
+    auto real = context.mark_node(std::make_shared<v1::Multiply>(abs, cos_node));
+    auto sin_node = context.mark_node(std::make_shared<v0::Sin>(angle));
+    auto imag = context.mark_node(std::make_shared<v1::Multiply>(abs, sin_node));
+    auto complex_tensor = context.mark_node(std::make_shared<ComplexTypeMark>(real, imag));
+    return {complex_tensor};
+}
+
+}  // namespace op
+}  // namespace pytorch
+}  // namespace frontend
+}  // namespace ov

src/frontends/pytorch/src/op/randperm.cpp

@@ -0,0 +1,60 @@
+// Copyright (C) 2018-2025 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include "openvino/frontend/pytorch/node_context.hpp"
+#include "openvino/op/constant.hpp"
+#include "openvino/op/random_uniform.hpp"
+#include "openvino/op/topk.hpp"
+#include "openvino/op/unsqueeze.hpp"
+#include "utils.hpp"
+
+namespace ov {
+namespace frontend {
+namespace pytorch {
+namespace op {
+
+using namespace ov::op;
+
+OutputVector translate_randperm(const NodeContext& context) {
+    auto num_inputs = context.get_input_size();
+    auto n_node = context.get_input(0);
+    int dtype_value = 4;
+    if (num_inputs == 1) {
+    } else if (num_inputs == 2) {
+        if (!context.input_is_none(1)) {
+            dtype_value = context.const_input<int>(1);
+            PYTORCH_OP_CONVERSION_CHECK(dtype_value == 4,
+                                        "Only dtype value 4 (int64) is supported for aten::randperm, got: ",
+                                        dtype_value);
+        }
+    } else if (num_inputs == 5) {
+        if (!context.input_is_none(1)) {
+            dtype_value = context.const_input<int>(1);
+            PYTORCH_OP_CONVERSION_CHECK(dtype_value == 4,
+                                        "Only dtype value 4 (int64) is supported for aten::randperm, got: ",
+                                        dtype_value);
+        }
+    } else {
+        PYTORCH_OP_CONVERSION_CHECK(false, "Unexpected number of inputs for aten::randperm: ", num_inputs);
+    }
+    auto axis_zero = v0::Constant::create(element::i64, Shape{1}, {0});
+    auto shape = context.mark_node(std::make_shared<v0::Unsqueeze>(n_node, axis_zero));
+    auto min_val = v0::Constant::create(element::f32, Shape{}, {0.0f});
+    auto max_val = v0::Constant::create(element::f32, Shape{}, {1.0f});
+    auto random_tensor = context.mark_node(std::make_shared<v8::RandomUniform>(shape, min_val, max_val, element::f32));
+    const int64_t axis = 0;
+    auto topk = context.mark_node(std::make_shared<v11::TopK>(random_tensor,
+                                                              n_node,
+                                                              axis,
+                                                              ov::op::TopKMode::MIN,
+                                                              ov::op::TopKSortType::SORT_VALUES,
+                                                              element::i64,
+                                                              false));
+    return {topk->output(1)};
+}
+
+}  // namespace op
+}  // namespace pytorch
+}  // namespace frontend
+}  // namespace ov

src/frontends/pytorch/src/op_table.cpp

@@ -197,6 +197,7 @@ OP_CONVERTER(translate_permute);
 OP_CONVERTER(translate_pairwise_distance);
 OP_CONVERTER(translate_pixel_shuffle);
 OP_CONVERTER(translate_pixel_unshuffle);
+OP_CONVERTER(translate_polar);
 OP_CONVERTER(translate_pow);
 OP_CONVERTER(translate_prod);
 OP_CONVERTER(translate_pythonop);
@@ -208,6 +209,7 @@ OP_CONVERTER(translate_quantized_hardswish);
 OP_CONVERTER(translate_quantized_mul);
 OP_CONVERTER(translate_range_length);
 OP_CONVERTER(translate_rand);
+OP_CONVERTER(translate_randperm);
 OP_CONVERTER(translate_randn);
 OP_CONVERTER(translate_randint);
 OP_CONVERTER(translate_rand_like);
@@ -635,12 +637,14 @@ const std::unordered_map<std::string, CreatorFunction> get_supported_ops_ts() {
         {"aten::pixel_shuffle", op::translate_pixel_shuffle},
         {"aten::pixel_unshuffle", op::translate_pixel_unshuffle},
         {"aten::prelu", op::translate_1to1_match_2_inputs<opset10::PRelu>},
+        {"aten::polar", op::translate_polar},
         {"aten::pow", op::translate_pow},
         {"aten::pow_", op::translate_pow},
         {"aten::prod", op::translate_prod},
         {"aten::quantize_per_channel", op::translate_quantize_per_channel},
         {"aten::quantize_per_tensor", op::translate_quantize_per_tensor},
         {"aten::rand", op::translate_rand},
+        {"aten::randperm", op::translate_randperm},
         {"aten::rand_like", op::translate_rand_like},
         {"aten::randint", op::translate_randint},
         {"aten::randn", op::translate_randn},

tests/layer_tests/pytorch_tests/test_polar.py

@@ -0,0 +1,40 @@
+# Copyright (C) 2018-2025 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+import numpy as np
+import pytest
+import torch
+import openvino as ov
+from pytorch_layer_test_class import PytorchLayerTest
+
+class TestPolar(PytorchLayerTest):
+    def _prepare_input(self, input_shape=(1, 1000), dtype=np.float32):
+        return (
+            np.random.uniform(0, 10, input_shape).astype(dtype),
+            np.random.uniform(-np.pi, np.pi, input_shape).astype(dtype)
+        )
+
+    def create_model(self):
+        class PolarModel(torch.nn.Module):
+            def forward(self, abs, angle):
+                complex_tensor = torch.polar(abs, angle)
+                return torch.view_as_real(complex_tensor)
+        ref_net = None
+        return PolarModel(), None, "aten::polar"
+
+    @pytest.mark.parametrize("input_case", [
+        (1, 1000),
+        (2, 500),
+        (5, 200),
+        (10, 100),
+    ])
+    @pytest.mark.parametrize("dtype", [
+        np.float32,
+        np.float64
+    ])
+    @pytest.mark.nightly
+    @pytest.mark.precommit
+    def test_polar(self, input_case, dtype, ie_device, precision, ir_version):
+        self._test(*self.create_model(), ie_device, precision, ir_version,
+                   kwargs_to_prepare_input={"input_shape": input_case, "dtype": dtype},
+                   trace_model=True, use_convert_model=True, dynamic_shapes=False)

tests/layer_tests/pytorch_tests/test_randperm.py

@@ -0,0 +1,49 @@
+# Copyright (C) 2018-2025 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+import pytest
+import torch
+import numpy as np
+from pytorch_layer_test_class import PytorchLayerTest
+
+class TestSortedRandperm(PytorchLayerTest):
+    def _prepare_input(self):
+        return (np.arange(self.n, dtype=np.int64),)
+
+    def create_model(self, n, num_inputs, dtype_value=None):
+        class AtenSortedRandperm(torch.nn.Module):
+            def __init__(self, n, num_inputs, dtype_value):
+                super().__init__()
+                self.n = n
+                self.num_inputs = num_inputs
+                self.dtype = torch.int64 if dtype_value == 4 else None
+
+            def forward(self, x):
+                if self.num_inputs == 1:
+                    p = torch.randperm(self.n)
+                elif self.num_inputs == 2:
+                    p = torch.randperm(self.n, dtype=self.dtype)
+                elif self.num_inputs == 5:
+                    p = torch.randperm(self.n, dtype=self.dtype, layout=torch.strided, 
+                                         device=x.device, pin_memory=False)
+                else:
+                    raise ValueError("Invalid num_inputs")
+                # sort to get a deterministic order for verifying the permutation.
+                x_permuted = x[p]
+                sorted_tensor, _ = torch.sort(x_permuted)
+                return sorted_tensor
+
+        return AtenSortedRandperm(n, num_inputs, dtype_value), None, "aten::randperm"
+
+    @pytest.mark.parametrize(("n", "num_inputs", "dtype_value"), [
+        (0, 1, None),
+        (1, 1, None),
+        (5, 1, None),
+        (5, 2, 4),
+        (5, 5, 4),
+    ])
+    @pytest.mark.nightly
+    @pytest.mark.precommit
+    def test_sorted_randperm(self, n, num_inputs, dtype_value, ie_device, precision, ir_version):
+        self.n = n
+        self._test(*self.create_model(n, num_inputs, dtype_value), ie_device, precision, ir_version)