text: // Tencent is pleased to support the open source community by making ncnn available.
  //
  // Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
  //
  // Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
  // in compliance with the License. You may obtain a copy of the License at
  //
  // https://opensource.org/licenses/BSD-3-Clause
  //
  // 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.
  
  #include "layer/padding.h"
  #include "testutil.h"
  
  static int test_padding(const ncnn::Mat& a, int top, int bottom, int left, int right, int front, int behind, int type, float value, int per_channel_pad_data_size)
  {
      ncnn::ParamDict pd;
      pd.set(0, top);
      pd.set(1, bottom);
      pd.set(2, left);
      pd.set(3, right);
      pd.set(4, type);
      pd.set(5, value);
      pd.set(6, per_channel_pad_data_size);
      pd.set(7, front);
      pd.set(8, behind);
  
      std::vector<ncnn::Mat> weights(per_channel_pad_data_size ? 1 : 0);
      if (per_channel_pad_data_size)
          weights[0] = RandomMat(per_channel_pad_data_size);
  
      int ret = test_layer<ncnn::Padding>("Padding", pd, weights, a);
      if (ret != 0)
      {
          fprintf(stderr, "test_padding failed a.dims=%d a=(%d %d %d %d) top=%d bottom=%d left=%d right=%d front=%d behind=%d type=%d value=%f per_channel_pad_data_size=%d\n", a.dims, a.w, a.h, a.d, a.c, top, bottom, left, right, front, behind, type, value, per_channel_pad_data_size);
      }
  
      return ret;
  }
  
  static int test_padding_0()
  {
      ncnn::Mat a = RandomMat(9, 10, 11, 96);
      ncnn::Mat b = RandomMat(10, 12, 13, 44);
      ncnn::Mat c = RandomMat(8, 7, 9, 13);
  
      return 0
             || test_padding(a, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding(b, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding(c, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
  
             || test_padding(a, 2, 2, 2, 2, 2, 2, 0, 1.f, 0)
             || test_padding(b, 2, 2, 2, 2, 2, 2, 0, 2.f, 0)
             || test_padding(c, 2, 2, 2, 2, 2, 2, 0, -3.f, 0)
  
             || test_padding(a, 2, 1, 2, 1, 2, 1, 0, 0.f, a.c)
             || test_padding(b, 2, 1, 2, 1, 2, 1, 0, 0.f, b.c)
             || test_padding(c, 2, 1, 2, 1, 2, 1, 0, 0.f, c.c)
  
             || test_padding(a, 0, 1, 0, 1, 0, 1, 0, 0.f, 0)
             || test_padding(b, 0, 1, 0, 1, 0, 1, 0, 0.f, 0)
             || test_padding(c, 0, 1, 0, 1, 0, 1, 0, 0.f, 0)
  
             || test_padding(a, 1, 2, 3, 4, 5, 6, 0, 0.f, 0)
             || test_padding(b, 1, 2, 3, 4, 5, 6, 0, 0.f, 0)
             || test_padding(c, 1, 2, 3, 4, 5, 6, 0, 0.f, 0)
  
             || test_padding(a, 2, 3, 2, 3, 2, 3, 0, 0.f, 0)
             || test_padding(b, 2, 3, 2, 3, 2, 3, 0, 0.f, 0)
             || test_padding(c, 2, 3, 2, 3, 2, 3, 0, 0.f, 0)
  
             || test_padding(a, 1, 1, 1, 1, 1, 1, 0, -1.f, 0)
             || test_padding(b, 1, 1, 1, 1, 1, 1, 0, -2.f, 0)
             || test_padding(c, 1, 1, 1, 1, 1, 1, 0, 3.f, 0);
  }
  
  static int test_padding_1()
  {
      ncnn::Mat a = RandomMat(9, 11, 96);
      ncnn::Mat b = RandomMat(10, 13, 44);
      ncnn::Mat c = RandomMat(8, 9, 13);
  
      return 0
             || test_padding(a, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding(b, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding(c, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
  
             || test_padding(a, 2, 2, 2, 2, 0, 0, 0, 1.f, 0)
             || test_padding(b, 2, 2, 2, 2, 0, 0, 0, 2.f, 0)
             || test_padding(c, 2, 2, 2, 2, 0, 0, 0, -3.f, 0)
  
             || test_padding(a, 2, 1, 2, 1, 0, 0, 0, 0.f, a.c)
             || test_padding(b, 2, 1, 2, 1, 0, 0, 0, 0.f, b.c)
             || test_padding(c, 2, 1, 2, 1, 0, 0, 0, 0.f, c.c)
  
             || test_padding(a, 0, 1, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding(b, 0, 1, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding(c, 0, 1, 0, 1, 0, 0, 1, 0.f, 0)
  
             || test_padding(a, 1, 2, 3, 4, 0, 0, 1, 0.f, 0)
             || test_padding(b, 1, 2, 3, 4, 0, 0, 1, 0.f, 0)
             || test_padding(c, 1, 2, 3, 4, 0, 0, 1, 0.f, 0)
  
             || test_padding(a, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding(b, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding(c, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
  
             || test_padding(a, 1, 1, 1, 1, 1, 1, 0, -1.f, 0)
             || test_padding(b, 1, 1, 1, 1, 1, 1, 0, -2.f, 0)
             || test_padding(c, 1, 1, 1, 1, 1, 1, 0, 3.f, 0)
  
             || test_padding(a, 2, 1, 0, 0, 2, 3, 0, 0.f, a.c + 5)
             || test_padding(b, 2, 1, 0, 0, 2, 3, 0, 0.f, b.c + 5)
             || test_padding(c, 2, 1, 0, 0, 2, 3, 0, 0.f, c.c + 5)
  
             || test_padding(a, 1, 2, 3, 4, 32, 16, 0, 0.f, a.c + 48)
             || test_padding(b, 1, 2, 3, 4, 32, 16, 0, 0.f, b.c + 48)
             || test_padding(c, 1, 2, 3, 4, 32, 16, 0, 0.f, c.c + 48)
  
             || test_padding(a, 0, 0, 0, 0, 3, 1, 1, 0.f, 0)
             || test_padding(b, 0, 0, 0, 0, 3, 1, 1, 0.f, 0)
             || test_padding(c, 0, 0, 0, 0, 3, 1, 1, 0.f, 0)
  
             || test_padding(a, 2, 0, 1, 0, 4, 4, 1, 0.f, 0)
             || test_padding(b, 2, 0, 1, 0, 4, 4, 1, 0.f, 0)
             || test_padding(c, 2, 0, 1, 0, 4, 4, 1, 0.f, 0)
  
             || test_padding(a, 2, 0, 2, 0, 0, 2, 2, 0.f, 0)
             || test_padding(b, 2, 0, 2, 0, 0, 2, 2, 0.f, 0)
             || test_padding(c, 2, 0, 2, 0, 0, 2, 2, 0.f, 0)
  
             || test_padding(a, 4, 2, 1, 3, 3, 5, 2, 0.f, 0)
             || test_padding(b, 4, 2, 1, 3, 3, 5, 2, 0.f, 0)
             || test_padding(c, 4, 2, 1, 3, 3, 5, 2, 0.f, 0);
  }
  
  static int test_padding_2()
  {
      ncnn::Mat a = RandomMat(15, 96);
      ncnn::Mat b = RandomMat(19, 44);
      ncnn::Mat c = RandomMat(17, 15);
  
      return 0
             || test_padding(a, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding(b, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding(c, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
  
             || test_padding(a, 0, 0, 1, 1, 0, 0, 0, 1.f, 0)
             || test_padding(b, 0, 0, 1, 1, 0, 0, 0, 2.f, 0)
             || test_padding(c, 0, 0, 1, 1, 0, 0, 0, -3.f, 0)
  
             || test_padding(a, 0, 0, 3, 4, 0, 0, 1, 0.f, 0)
             || test_padding(b, 0, 0, 3, 4, 0, 0, 1, 0.f, 0)
             || test_padding(c, 0, 0, 3, 4, 0, 0, 1, 0.f, 0)
  
             || test_padding(a, 0, 0, 3, 2, 0, 0, 2, 0.f, 0)
             || test_padding(b, 0, 0, 3, 2, 0, 0, 2, 0.f, 0)
             || test_padding(c, 0, 0, 3, 2, 0, 0, 2, 0.f, 0)
  
             || test_padding(a, 2, 2, 2, 2, 0, 0, 0, 1.f, 0)
             || test_padding(b, 2, 2, 2, 2, 0, 0, 0, 2.f, 0)
             || test_padding(c, 2, 2, 2, 2, 0, 0, 0, -3.f, 0)
  
             || test_padding(a, 16, 16, 2, 5, 0, 0, 0, -1.f, 0)
             || test_padding(b, 16, 16, 2, 5, 0, 0, 0, -2.f, 0)
             || test_padding(c, 16, 16, 2, 5, 0, 0, 0, 3.f, 0)
  
             || test_padding(a, 3, 1, 3, 1, 0, 0, 1, 0.f, 0)
             || test_padding(b, 3, 1, 3, 1, 0, 0, 1, 0.f, 0)
             || test_padding(c, 3, 1, 3, 1, 0, 0, 1, 0.f, 0)
  
             || test_padding(a, 4, 4, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding(b, 4, 4, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding(c, 4, 4, 0, 1, 0, 0, 1, 0.f, 0)
  
             || test_padding(a, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding(b, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding(c, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
  
             || test_padding(a, 2, 6, 1, 0, 0, 0, 2, 0.f, 0)
             || test_padding(b, 2, 6, 1, 0, 0, 0, 2, 0.f, 0)
             || test_padding(c, 2, 6, 1, 0, 0, 0, 2, 0.f, 0);
  }
  
  static int test_padding_3()
  {
      ncnn::Mat a = RandomMat(128);
      ncnn::Mat b = RandomMat(124);
      ncnn::Mat c = RandomMat(127);
  
      return 0
             || test_padding(a, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding(b, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding(c, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
  
             || test_padding(a, 0, 0, 2, 2, 0, 0, 0, 1.f, 0)
             || test_padding(b, 0, 0, 2, 2, 0, 0, 0, 2.f, 0)
             || test_padding(c, 0, 0, 2, 2, 0, 0, 0, -3.f, 0)
  
             || test_padding(a, 0, 0, 32, 16, 0, 0, 0, -1.f, 0)
             || test_padding(b, 0, 0, 32, 16, 0, 0, 0, -2.f, 0)
             || test_padding(c, 0, 0, 32, 16, 0, 0, 0, 3.f, 0)
  
             || test_padding(a, 0, 0, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding(b, 0, 0, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding(c, 0, 0, 0, 1, 0, 0, 1, 0.f, 0)
  
             || test_padding(a, 0, 0, 4, 12, 0, 0, 1, 0.f, 0)
             || test_padding(b, 0, 0, 4, 12, 0, 0, 1, 0.f, 0)
             || test_padding(c, 0, 0, 4, 12, 0, 0, 1, 0.f, 0)
  
             || test_padding(a, 0, 0, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding(b, 0, 0, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding(c, 0, 0, 2, 3, 0, 0, 2, 0.f, 0)
  
             || test_padding(a, 0, 0, 10, 6, 0, 0, 2, 0.f, 0)
             || test_padding(b, 0, 0, 10, 6, 0, 0, 2, 0.f, 0)
             || test_padding(c, 0, 0, 10, 6, 0, 0, 2, 0.f, 0);
  }
  
  static int test_padding_int8(const ncnn::Mat& a, int top, int bottom, int left, int right, int front, int behind, int type, float value, int per_channel_pad_data_size)
  {
      // TODO enable padding int8 with per_channel_pad_data_size
      per_channel_pad_data_size = 0;
  
      ncnn::ParamDict pd;
      pd.set(0, top);
      pd.set(1, bottom);
      pd.set(2, left);
      pd.set(3, right);
      pd.set(4, type);
      pd.set(5, value);
      pd.set(6, per_channel_pad_data_size);
      pd.set(7, front);
      pd.set(8, behind);
  
      std::vector<ncnn::Mat> weights(per_channel_pad_data_size ? 1 : 0);
      if (per_channel_pad_data_size)
          weights[0] = RandomMat(per_channel_pad_data_size);
  
      int flag = TEST_LAYER_DISABLE_AUTO_INPUT_CASTING | TEST_LAYER_DISABLE_GPU_TESTING;
      int ret = test_layer<ncnn::Padding>("Padding", pd, weights, a, 0.001, 0, flag);
      if (ret != 0)
      {
          fprintf(stderr, "test_padding_int8 failed a.dims=%d a=(%d %d %d %d) top=%d bottom=%d left=%d right=%d front=%d behind=%d type=%d value=%f per_channel_pad_data_size=%d\n", a.dims, a.w, a.h, a.d, a.c, top, bottom, left, right, front, behind, type, value, per_channel_pad_data_size);
      }
  
      return ret;
  }
  
  static int test_padding_4()
  {
      ncnn::Mat a = RandomS8Mat(9, 10, 11, 96);
      ncnn::Mat b = RandomS8Mat(10, 12, 13, 44);
      ncnn::Mat c = RandomS8Mat(8, 7, 9, 13);
  
      return 0
             || test_padding_int8(a, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding_int8(b, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding_int8(c, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
  
             || test_padding_int8(a, 2, 2, 2, 2, 1, 1, 0, 1.f, 0)
             || test_padding_int8(b, 2, 2, 2, 2, 1, 1, 0, 2.f, 0)
             || test_padding_int8(c, 2, 2, 2, 2, 1, 1, 0, -3.f, 0)
  
             || test_padding_int8(a, 2, 1, 2, 1, 2, 1, 0, 0.f, a.c)
             || test_padding_int8(b, 2, 1, 2, 1, 2, 1, 0, 0.f, b.c)
             || test_padding_int8(c, 2, 1, 2, 1, 2, 1, 0, 0.f, c.c)
  
             || test_padding_int8(a, 0, 1, 0, 1, 0, 1, 0, 0.f, 0)
             || test_padding_int8(b, 0, 1, 0, 1, 0, 1, 0, 0.f, 0)
             || test_padding_int8(c, 0, 1, 0, 1, 0, 1, 0, 0.f, 0)
  
             || test_padding_int8(a, 1, 2, 3, 4, 5, 6, 0, 0.f, 0)
             || test_padding_int8(b, 1, 2, 3, 4, 5, 6, 0, 0.f, 0)
             || test_padding_int8(c, 1, 2, 3, 4, 5, 6, 0, 0.f, 0)
  
             || test_padding_int8(a, 2, 3, 2, 3, 2, 3, 0, 0.f, 0)
             || test_padding_int8(b, 2, 3, 2, 3, 2, 3, 0, 0.f, 0)
             || test_padding_int8(c, 2, 3, 2, 3, 2, 3, 0, 0.f, 0)
  
             || test_padding_int8(a, 1, 1, 1, 1, 1, 1, 0, -1.f, 0)
             || test_padding_int8(b, 1, 1, 1, 1, 1, 1, 0, -2.f, 0)
             || test_padding_int8(c, 1, 1, 1, 1, 1, 1, 0, 3.f, 0);
  }
  
  static int test_padding_5()
  {
      ncnn::Mat a = RandomS8Mat(9, 11, 96);
      ncnn::Mat b = RandomS8Mat(10, 13, 44);
      ncnn::Mat c = RandomS8Mat(8, 9, 13);
  
      return 0
             || test_padding_int8(a, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding_int8(b, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding_int8(c, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
  
             || test_padding_int8(a, 2, 2, 2, 2, 0, 0, 0, 1.f, 0)
             || test_padding_int8(b, 2, 2, 2, 2, 0, 0, 0, 2.f, 0)
             || test_padding_int8(c, 2, 2, 2, 2, 0, 0, 0, -3.f, 0)
  
             || test_padding_int8(a, 2, 1, 2, 1, 0, 0, 0, 0.f, a.c)
             || test_padding_int8(b, 2, 1, 2, 1, 0, 0, 0, 0.f, b.c)
             || test_padding_int8(c, 2, 1, 2, 1, 0, 0, 0, 0.f, c.c)
  
             || test_padding_int8(a, 0, 1, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding_int8(b, 0, 1, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding_int8(c, 0, 1, 0, 1, 0, 0, 1, 0.f, 0)
  
             || test_padding_int8(a, 1, 2, 3, 4, 0, 0, 1, 0.f, 0)
             || test_padding_int8(b, 1, 2, 3, 4, 0, 0, 1, 0.f, 0)
             || test_padding_int8(c, 1, 2, 3, 4, 0, 0, 1, 0.f, 0)
  
             || test_padding_int8(a, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding_int8(b, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding_int8(c, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
  
             || test_padding_int8(a, 1, 1, 1, 1, 1, 1, 0, -1.f, 0)
             || test_padding_int8(b, 1, 1, 1, 1, 1, 1, 0, -2.f, 0)
             || test_padding_int8(c, 1, 1, 1, 1, 1, 1, 0, 3.f, 0)
  
             || test_padding_int8(a, 2, 1, 0, 0, 2, 3, 0, 0.f, a.c + 5)
             || test_padding_int8(b, 2, 1, 0, 0, 2, 3, 0, 0.f, b.c + 5)
             || test_padding_int8(c, 2, 1, 0, 0, 2, 3, 0, 0.f, c.c + 5)
  
             || test_padding_int8(a, 1, 2, 3, 4, 8, 4, 0, 0.f, a.c + 12)
             || test_padding_int8(b, 1, 2, 3, 4, 8, 4, 0, 0.f, b.c + 12)
             || test_padding_int8(c, 1, 2, 3, 4, 8, 4, 0, 0.f, c.c + 12)
  
             || test_padding_int8(a, 0, 0, 0, 0, 3, 1, 1, 0.f, 0)
             || test_padding_int8(b, 0, 0, 0, 0, 3, 1, 1, 0.f, 0)
             || test_padding_int8(c, 0, 0, 0, 0, 3, 1, 1, 0.f, 0)
  
             || test_padding_int8(a, 2, 0, 1, 0, 4, 4, 1, 0.f, 0)
             || test_padding_int8(b, 2, 0, 1, 0, 4, 4, 1, 0.f, 0)
             || test_padding_int8(c, 2, 0, 1, 0, 4, 4, 1, 0.f, 0)
  
             || test_padding_int8(a, 2, 0, 2, 0, 0, 2, 2, 0.f, 0)
             || test_padding_int8(b, 2, 0, 2, 0, 0, 2, 2, 0.f, 0)
             || test_padding_int8(c, 2, 0, 2, 0, 0, 2, 2, 0.f, 0)
  
             || test_padding_int8(a, 4, 2, 1, 3, 3, 5, 2, 0.f, 0)
             || test_padding_int8(b, 4, 2, 1, 3, 3, 5, 2, 0.f, 0)
             || test_padding_int8(c, 4, 2, 1, 3, 3, 5, 2, 0.f, 0);
  }
  
  static int test_padding_6()
  {
      ncnn::Mat a = RandomS8Mat(15, 96);
      ncnn::Mat b = RandomS8Mat(19, 44);
      ncnn::Mat c = RandomS8Mat(17, 15);
  
      return 0
             || test_padding_int8(a, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding_int8(b, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding_int8(c, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
  
             || test_padding_int8(a, 0, 0, 1, 1, 0, 0, 0, 1.f, 0)
             || test_padding_int8(b, 0, 0, 1, 1, 0, 0, 0, 2.f, 0)
             || test_padding_int8(c, 0, 0, 1, 1, 0, 0, 0, -3.f, 0)
  
             || test_padding_int8(a, 0, 0, 3, 4, 0, 0, 1, 0.f, 0)
             || test_padding_int8(b, 0, 0, 3, 4, 0, 0, 1, 0.f, 0)
             || test_padding_int8(c, 0, 0, 3, 4, 0, 0, 1, 0.f, 0)
  
             || test_padding_int8(a, 0, 0, 3, 2, 0, 0, 2, 0.f, 0)
             || test_padding_int8(b, 0, 0, 3, 2, 0, 0, 2, 0.f, 0)
             || test_padding_int8(c, 0, 0, 3, 2, 0, 0, 2, 0.f, 0)
  
             || test_padding_int8(a, 2, 2, 2, 2, 0, 0, 0, 1.f, 0)
             || test_padding_int8(b, 2, 2, 2, 2, 0, 0, 0, 2.f, 0)
             || test_padding_int8(c, 2, 2, 2, 2, 0, 0, 0, -3.f, 0)
  
             || test_padding_int8(a, 8, 8, 2, 5, 0, 0, 0, -1.f, 0)
             || test_padding_int8(b, 8, 8, 2, 5, 0, 0, 0, -2.f, 0)
             || test_padding_int8(c, 8, 8, 2, 5, 0, 0, 0, 3.f, 0)
  
             || test_padding_int8(a, 3, 1, 3, 1, 0, 0, 1, 0.f, 0)
             || test_padding_int8(b, 3, 1, 3, 1, 0, 0, 1, 0.f, 0)
             || test_padding_int8(c, 3, 1, 3, 1, 0, 0, 1, 0.f, 0)
  
             || test_padding_int8(a, 4, 4, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding_int8(b, 4, 4, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding_int8(c, 4, 4, 0, 1, 0, 0, 1, 0.f, 0)
  
             || test_padding_int8(a, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding_int8(b, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding_int8(c, 2, 3, 2, 3, 0, 0, 2, 0.f, 0)
  
             || test_padding_int8(a, 2, 6, 1, 0, 0, 0, 2, 0.f, 0)
             || test_padding_int8(b, 2, 6, 1, 0, 0, 0, 2, 0.f, 0)
             || test_padding_int8(c, 2, 6, 1, 0, 0, 0, 2, 0.f, 0);
  }
  
  static int test_padding_7()
  {
      ncnn::Mat a = RandomS8Mat(128);
      ncnn::Mat b = RandomS8Mat(124);
      ncnn::Mat c = RandomS8Mat(127);
  
      return 0
             || test_padding_int8(a, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding_int8(b, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
             || test_padding_int8(c, 0, 0, 0, 0, 0, 0, 0, 0.f, 0)
  
             || test_padding_int8(a, 0, 0, 2, 2, 0, 0, 0, 1.f, 0)
             || test_padding_int8(b, 0, 0, 2, 2, 0, 0, 0, 2.f, 0)
             || test_padding_int8(c, 0, 0, 2, 2, 0, 0, 0, -3.f, 0)
  
             || test_padding_int8(a, 0, 0, 16, 8, 0, 0, 0, -1.f, 0)
             || test_padding_int8(b, 0, 0, 16, 8, 0, 0, 0, -2.f, 0)
             || test_padding_int8(c, 0, 0, 16, 8, 0, 0, 0, 3.f, 0)
  
             || test_padding_int8(a, 0, 0, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding_int8(b, 0, 0, 0, 1, 0, 0, 1, 0.f, 0)
             || test_padding_int8(c, 0, 0, 0, 1, 0, 0, 1, 0.f, 0)
  
             || test_padding_int8(a, 0, 0, 4, 12, 0, 0, 1, 0.f, 0)
             || test_padding_int8(b, 0, 0, 4, 12, 0, 0, 1, 0.f, 0)
             || test_padding_int8(c, 0, 0, 4, 12, 0, 0, 1, 0.f, 0)
  
             || test_padding_int8(a, 0, 0, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding_int8(b, 0, 0, 2, 3, 0, 0, 2, 0.f, 0)
             || test_padding_int8(c, 0, 0, 2, 3, 0, 0, 2, 0.f, 0)
  
             || test_padding_int8(a, 0, 0, 10, 6, 0, 0, 2, 0.f, 0)
             || test_padding_int8(b, 0, 0, 10, 6, 0, 0, 2, 0.f, 0)
             || test_padding_int8(c, 0, 0, 10, 6, 0, 0, 2, 0.f, 0);
  }
  
  int main()
  {
      SRAND(7767517);
  
      return test_padding_0()
             || test_padding_1()
             || test_padding_2()
             || test_padding_3()
             || test_padding_4()
             || test_padding_5()
             || test_padding_6()
             || test_padding_7();
  }
  