wehub-resource-sync
50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
/* Copyright 2020 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 <cassert>
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#include <cmath>
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#include <cstdint>
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#include <vector>
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#include "fuzztest/fuzztest.h"
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#include "tensorflow/core/framework/bfloat16.h"
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#include "tensorflow/core/platform/bfloat16.h"
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// This is a fuzzer for tensorflow::FloatToBFloat16 and
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// tensorflow::BFloat16ToFloat.
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namespace {
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void FuzzTest(const std::vector<float>& float_originals) {
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const int32_t size = float_originals.size();
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std::vector<tensorflow::bfloat16> bfloats(size);
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std::vector<float> floats_converted(size);
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tensorflow::FloatToBFloat16(float_originals.data(), bfloats.data(), size);
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tensorflow::BFloat16ToFloat(bfloats.data(), floats_converted.data(), size);
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for (int i = 0; i < float_originals.size(); ++i) {
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// The relative error should be less than 1/(2^7) since bfloat16
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// has 7 bits mantissa.
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// Copied this logic from bfloat16_test.cc
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assert(fabs(floats_converted[i] - float_originals[i]) / float_originals[i] <
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1.0 / 128);
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}
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}
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FUZZ_TEST(CC_FUZZING, FuzzTest)
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.WithDomains(fuzztest::ContainerOf<std::vector<float>>(
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fuzztest::InRange(1.0f, 1000.0f)));
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} // namespace
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