wehub-resource-sync
120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
// Copyright (c) 2022 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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namespace phi {
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namespace funcs {
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template <typename T, class Enable = void>
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struct IsNanFunctor {
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HOSTDEVICE bool operator()(const T& a) const {
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#if defined(__CUDACC__) || defined(__HIPCC__)
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return ::isnan(a);
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#else
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return std::isnan(a);
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#endif
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}
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};
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template <typename T>
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struct IsNanFunctor<T,
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typename std::enable_if<std::is_integral<T>::value>::type> {
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HOSTDEVICE bool operator()(const T& a UNUSED) const { return false; }
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};
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// isnan is defined in namespace std in float16.h, but
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// on rocm platform, it still got:
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// "error: call to 'isnan' is ambiguous".
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// So use phi::dtype::isnan here.
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template <>
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struct IsNanFunctor<phi::float16, void> {
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HOSTDEVICE bool operator()(const phi::float16& a) const {
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return phi::dtype::isnan(a);
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}
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};
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template <>
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struct IsNanFunctor<phi::bfloat16, void> {
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HOSTDEVICE bool operator()(const phi::bfloat16& a) const {
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return phi::dtype::isnan(a);
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}
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};
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template <typename T, class Enable = void>
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struct IsInfFunctor {
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HOSTDEVICE bool operator()(const T& a) const {
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#if defined(__CUDACC__) || defined(__HIPCC__)
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return ::isinf(a);
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#else
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return std::isinf(a);
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#endif
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}
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};
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template <typename T>
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struct IsInfFunctor<T,
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typename std::enable_if<std::is_integral<T>::value>::type> {
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HOSTDEVICE bool operator()(const T& a UNUSED) const { return false; }
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};
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template <>
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struct IsInfFunctor<phi::float16, void> {
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HOSTDEVICE bool operator()(const phi::float16& a) const {
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return phi::dtype::isinf(a);
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}
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};
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template <>
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struct IsInfFunctor<phi::bfloat16, void> {
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HOSTDEVICE bool operator()(const phi::bfloat16& a) const {
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return phi::dtype::isinf(a);
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}
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};
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template <typename T, class Enable = void>
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struct IsFiniteFunctor {
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HOSTDEVICE bool operator()(const T& a) const {
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#if defined(__CUDACC__) || defined(__HIPCC__)
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return ::isfinite(a);
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#else
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return std::isfinite(a);
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#endif
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}
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};
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template <typename T>
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struct IsFiniteFunctor<
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T,
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typename std::enable_if<std::is_integral<T>::value>::type> {
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HOSTDEVICE bool operator()(const T& a UNUSED) const { return true; }
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};
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template <>
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struct IsFiniteFunctor<phi::float16, void> {
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HOSTDEVICE bool operator()(const phi::float16& a) const {
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return phi::dtype::isfinite(a);
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}
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};
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template <>
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struct IsFiniteFunctor<phi::bfloat16, void> {
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HOSTDEVICE bool operator()(const phi::bfloat16& a) const {
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return phi::dtype::isfinite(a);
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}
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};
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} // namespace funcs
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} // namespace phi
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