reid from https://github.com/michuanhaohao/reid-strong-baseline
zhangmeng
2020-01-11 bdf3ad71583fb4ef100d3819ecdae8fd9f70083e
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#pragma once
 
#include <c10/core/Scalar.h>
#include <ATen/core/Tensor.h>
#include <iostream>
 
 
namespace c10 {
CAFFE2_API std::ostream& operator<<(std::ostream& out, Backend b);
}
namespace at {
 
CAFFE2_API std::ostream& operator<<(std::ostream& out, const DeprecatedTypeProperties& t);
CAFFE2_API std::ostream& print(
    std::ostream& stream,
    const Tensor& tensor,
    int64_t linesize);
static inline std::ostream& operator<<(std::ostream & out, const Tensor & t) {
  return print(out,t,80);
}
static inline void print(const Tensor & t, int64_t linesize=80) {
  print(std::cout,t,linesize);
}
 
static inline std::ostream& operator<<(std::ostream & out, Scalar s) {
  return out << (s.isFloatingPoint() ? s.toDouble() : s.toLong());
}
 
}