code: def test_dense_signature(doc):
      from pybind11_tests import double_col, double_row, double_mat_rm
  
      assert (
          doc(double_col)
          == """
          double_col(arg0: numpy.ndarray[float32[m, 1]]) -> numpy.ndarray[float32[m, 1]]
      """
      )
      assert (
          doc(double_row)
          == """
          double_row(arg0: numpy.ndarray[float32[1, n]]) -> numpy.ndarray[float32[1, n]]
      """
      )
      assert (
          doc(double_mat_rm)
          == """
          double_mat_rm(arg0: numpy.ndarray[float32[m, n]]) -> numpy.ndarray[float32[m, n]]
      """
      )
  
file_path: coremltools/deps/pybind11/tests/test_eigen.py
imports: import pytest
label_desc: Use image node_id 9 for calling a global function with example usage: test_dense_signature(doc) without return types