/* Copyright (c) 2018 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 "fpga/common/fpga_common.h"
#include "fpga/common/pe.h"
#include "framework/tensor.h"

namespace paddle_mobile {
namespace fpga {

void format_image(framework::Tensor* image_tensor);
void format_fp16_ofm(framework::Tensor* ofm_tensor);  // only allocate memory
void format_fp16_ofm(framework::Tensor* ofm_tensor, framework::DDim dims);
void format_fp32_ofm(framework::Tensor* ofm_tensor);

float filter_find_max(framework::Tensor* filter_tensor);
int get_filter_num_per_div(framework::Tensor* filter_tensor, int group_num);
int get_deconv_filter_num_per_div(framework::Tensor* filter_tensor,
                                  int group_num, int stride);

int get_plit_num(framework::Tensor* filter_tensor);
int get_deconv_plit_num(framework::Tensor* filter_tensor, int stride);

int get_aligned_filter_element_num(int chw);
void format_filter(framework::Tensor* filter_tensor, float max_value,
                   int group_num);
void format_fc_filter(framework::Tensor* filter_tensor, float max_value);
void format_bias_scale_array(float** bias_scale_array,
                             int element_num_per_division, int num);
void format_concat_output(framework::Tensor* out, int height, int width,
                          int image_num, uint32_t* channel_num);

void fill_split_arg(struct SplitConvArgs* arg, framework::Tensor* input,
                    framework::Tensor* out, framework::Tensor* filter,
                    bool relu_enabled, int group_num, int stride_h,
                    int stride_w, int padding_h, int padding_w, float* bs_ptr);
void fill_deconv_arg(struct DeconvArgs* arg, framework::Tensor* input,
                     framework::Tensor* out, framework::Tensor* filter,
                     bool relu_enabled, int group_num, int stride_h,
                     int stride_w, int padding_h, int padding_w, float* bs_ptr);

void format_deconv_filter(framework::Tensor* filter_tensor, float max_value,
                          int group_num, int stride);

template <typename Dtype>
void savefile(std::string filename, void* buffer, int dataSize, Dtype tmp) {
  float data;
  std::ofstream out(filename.c_str());
  for (int i = 0; i < dataSize; ++i) {
    data = (((Dtype*)buffer)[i]);
    out << data << std::endl;
  }
  out.close();
  return;
}

}  // namespace fpga
}  // namespace paddle_mobile