code: def check_IFT_continuous(a, t0, f0, method):
      f = np.linspace(-9, 10, 10000)
      H = sinegauss_FT_a(f, t0, f0, a)
      t, h = IFT_continuous(f, H, method=method)
      assert_allclose(h, sinegauss_a(t, t0, f0, a), atol=1e-12)
  
file_path: astroML/astroML/tests/test_fourier.py
imports: import pytest
  import numpy
  from numpy.testing import assert_allclose
  from astroML.fourier import FT_continuous, IFT_continuous, PSD_continuous, sinegauss, sinegauss_FT
label_desc: Use image node_id 7 for calling a global function with example usage: check_IFT_continuous(a, t0, f0, method) without return types