Function Product

include/singa/core/tensor.h:314–321

};  // end of tensor class

inline size_t Product(const Shape &shape, int start = 0, size_t len = 0) {
  if (len == 0) len = shape.size();
  if (len == 0) return 0;
  CHECK_LE(len, shape.size());
  size_t v = 1;
  for (unsigned int i = start; i < len; i++) v *= shape[i];
  return v;
}

inline void CheckDataTypeAndLang(const Tensor &in1, const Tensor &in2) {
  CHECK_EQ(in1.data_type(), in2.data_type());