code: def check_type_forward(self, in_types):
      type_check._argname(in_types, ("p", "x", "y"))
      p_type, x_type, y_type = in_types
  
      type_check.expect(
          p_type.dtype.kind == "f",
          x_type.dtype == p_type.dtype,
          y_type.dtype == p_type.dtype,
          p_type.shape == x_type.shape,
          p_type.shape == y_type.shape,
      )
  
file_path: chainer/chainer/functions/math/linear_interpolate.py
imports: from chainer.backends import cuda
  from chainer import function_node
  from chainer import utils
  from chainer.utils import type_check
label_desc: Use image node_id 1 for calling the LinearInterpolate obj's underlying member method code with example usage: obj.check_type_forward(in_types) without return types