59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include <cmath>
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#include <vector>
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#include "tensorflow/compiler/xla/client/local_client.h"
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#include "tensorflow/compiler/xla/client/xla_builder.h"
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#include "tensorflow/compiler/xla/tests/client_library_test_base.h"
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#include "tensorflow/compiler/xla/tests/literal_test_util.h"
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#include "tensorflow/compiler/xla/tests/test_macros.h"
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#include "tensorflow/core/platform/test.h"
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namespace xla {
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namespace {
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class LogTest : public ClientLibraryTestBase {};
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XLA_TEST_F(LogTest, LogZeroValues) {
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XlaBuilder builder(TestName());
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auto x = ConstantR3FromArray3D<float>(&builder, Array3D<float>(3, 0, 0));
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Log(x);
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ComputeAndCompareR3<float>(&builder, Array3D<float>(3, 0, 0), {},
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ErrorSpec(0.0001));
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}
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TEST_F(LogTest, LogTenValues) {
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std::vector<float> input = {-0.0, 1.0, 2.0, -3.0, -4.0,
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5.0, 6.0, -7.0, -8.0, 9.0};
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XlaBuilder builder(TestName());
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auto x = ConstantR1<float>(&builder, input);
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Log(x);
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std::vector<float> expected;
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expected.reserve(input.size());
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for (float f : input) {
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expected.push_back(std::log(f));
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}
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ComputeAndCompareR1<float>(&builder, expected, {}, ErrorSpec(0.0001));
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}
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} // namespace
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} // namespace xla
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