Added testing for signbit negative zero in bfloat16

tests/tt_eager/python_api_testing/sweep_tests/pytests/tt_dnn/test_signbit.py

@@ -0,0 +1,80 @@
+# SPDX-FileCopyrightText: © 2023-24 Tenstorrent Inc.
+
+# SPDX-License-Identifier: Apache-2.0
+
+import pytest
+import torch
+import random
+from functools import partial
+import ttnn
+
+
+from tests.tt_eager.python_api_testing.sweep_tests import (
+    comparison_funcs,
+    generation_funcs,
+)
+from tests.tt_eager.python_api_testing.sweep_tests.run_pytorch_ci_tests import (
+    run_single_pytorch_test,
+)
+from models.utility_functions import skip_for_blackhole
+
+mem_configs = [
+    ttnn.MemoryConfig(ttnn.TensorMemoryLayout.INTERLEAVED, ttnn.BufferType.DRAM),
+    ttnn.MemoryConfig(ttnn.TensorMemoryLayout.INTERLEAVED, ttnn.BufferType.L1),
+]
+
+
+@pytest.mark.parametrize(
+    "input_shapes",
+    [
+        [[1, 1, 32, 32]],
+    ],
+)
+@pytest.mark.parametrize(
+    "dst_mem_config",
+    mem_configs,
+)
+class TestSignbit:
+    def test_run_signbit_negative_zero(
+        self,
+        input_shapes,
+        dst_mem_config,
+        device,
+    ):
+        datagen_func = [
+            generation_funcs.gen_func_with_cast(partial(generation_funcs.gen_rand, low=-100, high=100), torch.bfloat16)
+        ]
+        test_args = generation_funcs.gen_default_dtype_layout_device(input_shapes)[0]
+        test_args.update({"output_mem_config": dst_mem_config})
+        comparison_func = comparison_funcs.comp_equal
+
+        run_single_pytorch_test(
+            "eltwise-signbit",
+            input_shapes,
+            datagen_func,
+            comparison_func,
+            device,
+            test_args,
+        )
+
+    def test_run_signbit_op(
+        self,
+        input_shapes,
+        dst_mem_config,
+        device,
+    ):
+        datagen_func = [
+            generation_funcs.gen_func_with_cast(partial(generation_funcs.gen_constant, constant=-0.0), torch.bfloat16)
+        ]
+        test_args = generation_funcs.gen_default_dtype_layout_device(input_shapes)[0]
+        test_args.update({"output_mem_config": dst_mem_config})
+        comparison_func = comparison_funcs.comp_equal
+
+        run_single_pytorch_test(
+            "eltwise-signbit",
+            input_shapes,
+            datagen_func,
+            comparison_func,
+            device,
+            test_args,
+        )