pow.h

/**
 * \file dnn/src/arm_common/elemwise_helper/kimpl/pow.h
 * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
 *
 * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 */
#pragma once

#include "src/arm_common/elemwise_helper/kimpl/op_base.h"

namespace megdnn {
namespace arm_common {

// when __fp16 is avaliable POW is very slow, so add there
/////////////////////// POW float only ////////////////////////////
template <typename src_ctype, typename dst_ctype = src_ctype>
struct PowOp : BinaryOpBase<src_ctype, dst_ctype> {
    using BinaryOpBase<src_ctype, dst_ctype>::BinaryOpBase;
    constexpr static size_t SIMD_WIDTH = 1;
    void operator()(const src_ctype& src0, const src_ctype& src1,
                    dst_ctype* dst) const {
        *dst = operator()(src0, src1);
    }
    dst_ctype operator()(const src_ctype& src0, const src_ctype& src1) const {
        return powf(src0, src1);
    }
};

}  // namespace arm_common
}  // namespace megdnn

// vim: syntax=cpp.doxygen