feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change
on this file since 5a7e2c3 was
5a7e2c3,
checked in by Paul Brossier <piem@piem.org>, 9 years ago
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ext/py-musicutils.c: add level_lin
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-
Property mode set to
100755
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File size:
1.6 KB
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1 | #! /usr/bin/env python |
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2 | |
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3 | from numpy.testing import TestCase |
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4 | from numpy.testing.utils import assert_equal, assert_almost_equal |
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5 | from numpy import cos, arange |
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6 | from math import pi |
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7 | |
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8 | from aubio import window, level_lin |
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9 | |
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10 | from aubio import fvec |
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11 | |
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12 | class aubio_window(TestCase): |
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13 | |
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14 | def test_accept_name_and_size(self): |
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15 | window("default", 1024) |
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16 | |
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17 | def test_fail_name_not_string(self): |
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18 | try: |
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19 | window(10, 1024) |
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20 | except ValueError, e: |
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21 | pass |
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22 | else: |
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23 | self.fail('non-string window type does not raise a ValueError') |
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24 | |
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25 | def test_fail_size_not_int(self): |
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26 | try: |
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27 | window("default", "default") |
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28 | except ValueError, e: |
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29 | pass |
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30 | else: |
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31 | self.fail('non-integer window length does not raise a ValueError') |
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32 | |
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33 | def test_compute_hanning_1024(self): |
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34 | size = 1024 |
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35 | aubio_window = window("hanning", size) |
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36 | numpy_window = .5 - .5 * cos(2. * pi * arange(size) / size) |
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37 | assert_almost_equal(aubio_window, numpy_window) |
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38 | |
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39 | class aubio_level_lin(TestCase): |
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40 | def test_accept_fvec(self): |
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41 | level_lin(fvec(1024)) |
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42 | |
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43 | def test_fail_not_fvec(self): |
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44 | try: |
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45 | level_lin("default") |
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46 | except ValueError, e: |
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47 | pass |
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48 | else: |
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49 | self.fail('non-number input phase does not raise a TypeError') |
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50 | |
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51 | def test_zeros_is_zeros(self): |
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52 | assert_equal(level_lin(fvec(1024)), 0.) |
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53 | |
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54 | def test_minus_ones_is_one(self): |
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55 | from numpy import ones |
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56 | assert_equal(level_lin(-ones(1024, dtype="float32")), 1.) |
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57 | |
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58 | if __name__ == '__main__': |
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59 | from unittest import main |
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60 | main() |
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