47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/* Copyright 2019 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 "tensorflow/compiler/xla/bit_cast.h"
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#include "tensorflow/compiler/xla/test.h"
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#include "tensorflow/core/platform/types.h"
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namespace xla {
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namespace {
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using ::Eigen::half;
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using ::tensorflow::bfloat16;
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TEST(BitCastTest, BackAndForth) {
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for (uint32 n = 0; n < 0x10000; ++n) {
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uint16 initial_rep = n;
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bfloat16 float_val = BitCast<bfloat16>(initial_rep);
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uint16 final_rep = BitCast<uint16>(float_val);
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EXPECT_EQ(initial_rep, final_rep);
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}
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for (uint32 n = 0; n < 0x10000; ++n) {
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uint16 initial_rep = n;
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half float_val = BitCast<half>(initial_rep);
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uint16 final_rep = BitCast<uint16>(float_val);
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EXPECT_EQ(initial_rep, final_rep);
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}
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}
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} // namespace
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} // namespace xla
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