text: /**
   * \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
  