parameters: (template, n_val, mode)
return_statement: return '{0}_{1}_{2}.cpp'.format(template.name, n_val, mode.identifier)
docstring: Determine the output filename
docstring_summary: Determine the output filename
docstring_tokens: Determine the output filename
function: def out_filename(template, n_val, mode):
      """Determine the output filename"""
      return '{0}_{1}_{2}.cpp'.format(template.name, n_val, mode.identifier)
function_tokens: def out_filename ( template , n_val , mode ) : return '{0}_{1}_{2}.cpp' . format ( template . name , n_val , mode . identifier )