Method generate_stride

include/singa/core/tensor.h:287–300

generate strides automatically if stride field is not passed

 protected:
  // generate strides automatically if stride field is not passed
  void generate_stride() {
    stride_.clear();
    if (shape_.size() == 0) {
      stride_.push_back(1);
      return;
    }

    size_t dim = Size();
    int cumulative_product = 1;
    for (size_t n = 0; n < shape_.size(); ++n) {
      cumulative_product = cumulative_product * shape_[n];
      stride_.push_back(dim / cumulative_product);
    }
  }

  void set_strides(const vector<int> new_strides) { stride_ = new_strides; }