mindspore/tests/st/ops/gpu/test_atan_op.py

69 lines
2.4 KiB
Python

# Copyright 2020-2022 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============================================================================
import numpy as np
import pytest
import mindspore.context as context
from mindspore import Tensor
from mindspore.ops import operations as P
context.set_context(mode=context.PYNATIVE_MODE, device_target="GPU")
np.random.seed(1)
@pytest.mark.level1
@pytest.mark.platform_x86_gpu_training
@pytest.mark.env_onecard
def test_atan_fp32():
x_np = np.random.rand(4, 2).astype(np.float32) * 10
output_ms = P.Atan()(Tensor(x_np))
output_np = np.arctan(x_np)
assert np.allclose(output_ms.asnumpy(), output_np, 1e-4, 1e-4)
@pytest.mark.level1
@pytest.mark.platform_x86_gpu_training
@pytest.mark.env_onecard
def test_atan_fp16():
x_np = np.random.rand(4, 2).astype(np.float16) * 10
output_ms = P.Atan()(Tensor(x_np))
output_np = np.arctan(x_np.astype(np.float32)).astype(np.float16)
assert np.allclose(output_ms.asnumpy(), output_np, 1e-3, 1e-3)
def test_atan_forward_tensor_api(nptype):
"""
Feature: test atan forward tensor api for given input dtype.
Description: test inputs for given input dtype.
Expectation: the result match with expected result.
"""
x = Tensor(np.array([1.0, 0.0]).astype(nptype))
output = x.atan()
expected = np.array([0.7853982, 0.0]).astype(nptype)
np.testing.assert_array_almost_equal(output.asnumpy(), expected)
@pytest.mark.level1
@pytest.mark.platform_x86_gpu_training
@pytest.mark.env_onecard
def test_atan_forward_float32_tensor_api():
"""
Feature: test atan forward tensor api.
Description: test float32 inputs.
Expectation: the result match with expected result.
"""
context.set_context(mode=context.GRAPH_MODE, device_target="GPU")
test_atan_forward_tensor_api(np.float32)
context.set_context(mode=context.PYNATIVE_MODE, device_target="GPU")
test_atan_forward_tensor_api(np.float32)