ref: 2d8880d5099451bcd23f551f7327df74067567fb
parent: 5c0662a46d9f9332e9a35f70f6f028dc67f1359c
author: Paul Brossier <piem@piem.org>
date: Sat Nov 3 13:38:45 EDT 2007
add test fft back and forth
--- a/tests/python/fft.py
+++ b/tests/python/fft.py
@@ -14,8 +14,8 @@
def tearDown(self):
del_aubio_mfft(self.o)
- def test_aubio_mfft(self):
- """ create and delete mfft """
+ def test_create(self):
+ """ test creation and deletion of fft object """
pass
def test_aubio_mfft_do_zeroes(self):
@@ -99,6 +99,22 @@
for index in range(buf_size/2+1):
for channel in range(channels):
self.assertEqual(fvec_read_sample(output, channel, index),1./buf_size)
+ del fftgrain
+ del output
+
+ def test_aubio_mfft_do_back_and_forth(self):
+ """ test aubio_mfft_rdo on a constant """
+ input = new_fvec(buf_size, channels)
+ output = new_fvec(buf_size, channels)
+ fftgrain = new_cvec(buf_size, channels)
+ for index in range(buf_size/2+1):
+ for channel in range(channels):
+ fvec_write_sample(input, 0.67, channel, index)
+ aubio_mfft_do(self.o, input, fftgrain)
+ aubio_mfft_rdo(self.o, fftgrain, output)
+ for index in range(buf_size/2+1):
+ for channel in range(channels):
+ self.assertAlmostEqual(fvec_read_sample(output, channel, index), 0.67, 7)
del fftgrain
del output