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43 lines
1.4 KiB
43 lines
1.4 KiB
6 years ago
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// Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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#pragma once
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#include "paddle/fluid/platform/float16.h"
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#include "paddle/fluid/platform/hostdevice.h"
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#include "math.h" // NOLINT
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namespace paddle {
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namespace operators {
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inline HOSTDEVICE platform::float16 real_exp(platform::float16 x) {
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return static_cast<platform::float16>(::expf(static_cast<float>(x)));
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}
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inline HOSTDEVICE float real_exp(float x) { return ::expf(x); }
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inline HOSTDEVICE double real_exp(double x) { return ::exp(x); }
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inline HOSTDEVICE platform::float16 real_log(platform::float16 x) {
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return static_cast<platform::float16>(::logf(static_cast<float>(x)));
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}
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inline HOSTDEVICE float real_log(float x) { return ::logf(x); }
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inline HOSTDEVICE double real_log(double x) { return ::log(x); }
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} // namespace operators
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} // namespace paddle
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