ref: 6fee79310710d00117e2e7fc0f0d9738dd356dc6
parent: fc197b0d36bb1b7be874e9c32f72b7b3b68c428e
author: Paul Brossier <piem@piem.org>
date: Fri Jul 27 07:27:56 EDT 2012
interfaces/python/test_fft.py: add an explanation about signed 0
--- a/interfaces/python/test_fft.py
+++ b/interfaces/python/test_fft.py
@@ -89,8 +89,9 @@
fftgrain = f ( timegrain )
#self.plot_this ( fftgrain.phas )
assert_equal ( fftgrain.phas[0], 0)
- assert_equal ( abs(fftgrain.phas[1]), 0)
- assert_almost_equal (fftgrain.norm[0], impulse, decimal = 6 )
+ # could be 0 or -0 depending on fft implementation (0 for fftw3, -0 for ooura)
+ assert_almost_equal ( fftgrain.phas[1], 0)
+ assert_almost_equal ( fftgrain.norm[0], impulse, decimal = 6 )
def test_rdo_before_do(self):
""" check running fft.rdo before fft.do works """