code: def __init__(self, signature):
      self.signature = signature
      self.fp_type = ll.DoubleType()
      self.module = ll.Module("mod1")
      self.fn = None
      self.llvm_arg_types = []
      self.llvm_ret_type = self.fp_type
      self.param_dict = {}  # map symbol name to LLVM function argument
      self.link_name = ""
  
imports: import ctypes
  from sympy.external import import_module
  from sympy.printing.printer import Printer
  from sympy.core.singleton import S
  from sympy.tensor.indexed import IndexedBase
  from sympy.utilities.decorator import doctest_depends_on
label_desc: Use image node_id 1 to create a new LLVMJitCode object  with example: obj = LLVMJitCode(signature)