Files
FastDeploy/fastdeploy/function/math_functor.h
2022-11-23 07:23:05 +00:00

57 lines
1.6 KiB
C++

// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include "fastdeploy/function/eigen.h"
namespace fastdeploy {
namespace function {
// log(x) = natural logarithm of x
template <typename T> struct LogFunctor {
template <typename Device, typename X, typename Out>
void operator()(Device d, X x, Out out) const {
out.device(d) = x.log();
}
};
// exp functor
// exp(x) = e^x
template <typename T> struct ExpFunctor {
template <typename Device, typename X, typename Out>
void operator()(Device d, X x, Out out) const {
out.device(d) = x.exp();
}
};
// round(x) = [x]
template <typename T> struct RoundFunctor {
template <typename Device, typename X, typename Out>
void operator()(Device d, X x, Out out) const {
out.device(d) = x.round();
}
};
// sqrt(x) = x^(1/2)
template <typename T> struct SqrtFunctor {
template <typename Device, typename X, typename Out>
void operator()(Device d, X x, Out out) const {
out.device(d) = x.sqrt();
}
};
} // namespace function
} // namespace fastdeploy