code: def _hinge_fwd_kernel():
      return cuda.elementwise(
          "S t",
          "raw T bottom_diff",
          "int ind[] = {i, t}; bottom_diff[ind] *= -1",
          "hinge_fwd",
      )
  
file_path: chainer/chainer/functions/loss/hinge.py
imports: import numpy
  from chainer import backend
  from chainer.backends import cuda
  from chainer import function
  from chainer.utils import type_check
label_desc: Use image node_id 1 for calling a global function with example usage: _hinge_fwd_kernel() and returns: cuda