message: Fixed a warning of signed/unsigned comparison
diff: @@ -177,10 +177,10 @@ std::vector<float> GenerateExpected(const size_t* dim, size_t load_dim) {
  size_t size = dim[0] * dim[1] * dim[2] * dim[3];
  std::vector<float> result(size);
  size_t idx = 0;
  - for (int w = 0; w < dim[0]; ++w) {
  - for (int x = 0; x < dim[1]; ++x) {
  - for (int y = 0; y < dim[2]; ++y) {
  - for (int z = 0; z < dim[3]; ++z) {
  + for (size_t w = 0; w < dim[0]; ++w) {
  + for (size_t x = 0; x < dim[1]; ++x) {
  + for (size_t y = 0; y < dim[2]; ++y) {
  + for (size_t z = 0; z < dim[3]; ++z) {
  if (load_dim == 0) {
  result[idx++] = w;
  } else if (load_dim == 1) {
  