libcdd.py 文件源码

def dd_DDMatrix2Poly(matrixptr):
  error = ctypes.c_int()
  polyhedraptr = libcdd.dd_DDMatrix2Poly(matrixptr, ctypes.byref(error))

  # Return None on error.
  # The error values are enums, so they aren't exposed.
  if error.value != DD_NO_ERRORS:
    # Dump out the errors to stderr
    libcdd.dd_WriteErrorMessages(
        ctypes.pythonapi.PyFile_AsFile(ctypes.py_object(sys.stdout)),
        error)
    dd_FreePolyhedra(polyhedraptr)
    return None
  return polyhedraptr