code: def test_abs_expr():
      expr = ast.AbsExpr(ast.NumVal(-1.0))
  
      expected_code = """
  defmodule Model do
      @compile {:inline, read: 2}
      defp read(bin, pos) do
          <<_::size(pos)-unit(64)-binary, value::float, _::binary>> = bin
          value
      end
      defp list_to_binary(list) do
          for i <- list, into: <<>>, do: <<i::float>>
      end
      def score(input) do
          input = list_to_binary(input)
          abs(-1.0)
      end
  end
  """
  
      interpreter = ElixirInterpreter()
      assert_code_equal(interpreter.interpret(expr), expected_code)
  
imports: from itertools import product
  import pytest
  from m2cgen import ast
  from m2cgen.interpreters import ElixirInterpreter
  from tests.utils import assert_code_equal
label_desc: Use image node_id 14 for calling a global function with example usage: test_abs_expr() without return types