ref: 6f33badc4cf043d3205783eb839e748c4bae0285
dir: /python/tests/test_mathutils.py/
#! /usr/bin/env python from unittest import main from numpy.testing import TestCase, assert_equal from numpy import array, arange, isnan, isinf from aubio import bintomidi, miditobin, freqtobin, bintofreq, freqtomidi, miditofreq from aubio import unwrap2pi from aubio import fvec from math import pi class aubio_mathutils(TestCase): def test_unwrap2pi(self): unwrap2pi(int(23)) unwrap2pi(float(23.)) unwrap2pi(int(23.)) unwrap2pi(arange(10)) unwrap2pi(arange(10).astype("int")) unwrap2pi(arange(10).astype("float")) unwrap2pi(arange(10).astype("float32")) unwrap2pi([1,3,5]) unwrap2pi([23.,24.,25.]) a = fvec(10) a[:] = 4. unwrap2pi(a) a = pi/100. * arange(-600,600).astype("float") unwrap2pi(a) #print zip(a, b) def test_unwrap2pi_fails_on_list(self): with self.assertRaises((TypeError, NotImplementedError)): unwrap2pi(["23.","24.",25.]) def test_unwrap2pi_takes_fvec(self): a = fvec(10) b = unwrap2pi(a) #print zip(a, b) assert ( b > -pi ).all() assert ( b <= pi ).all() def test_unwrap2pi_takes_array_of_float(self): a = arange(-10., 10.).astype("float") b = unwrap2pi(a) #print zip(a, b) assert ( b > -pi ).all() assert ( b <= pi ).all() def test_unwrap2pi_takes_array_of_float32(self): a = arange(-10, 10).astype("float32") b = unwrap2pi(a) #print zip(a, b) assert ( b > -pi ).all() assert ( b <= pi ).all() def test_freqtomidi(self): a = array(list(range(-20, 50000, 100)) + [ -1e32, 1e32 ]) b = freqtomidi(a) #print zip(a, b) assert_equal ( isnan(array(b)), False ) assert_equal ( isinf(array(b)), False ) assert_equal ( array(b) < 0, False ) def test_miditofreq(self): a = list(range(-30, 200)) + [-100000, 10000] b = miditofreq(a) #print zip(a, b) assert_equal ( isnan(b), False ) assert_equal ( isinf(b), False ) assert_equal ( b < 0, False ) def test_miditobin(self): a = list(range(-30, 200)) + [-100000, 10000] b = [ miditobin(x, 44100, 512) for x in a ] #print zip(a, b) assert_equal ( isnan(array(b)), False ) assert_equal ( isinf(array(b)), False ) assert_equal ( array(b) < 0, False ) def test_bintomidi(self): a = list(range(-100, 512)) b = [ bintomidi(x, 44100, 512) for x in a ] #print zip(a, b) assert_equal ( isnan(array(b)), False ) assert_equal ( isinf(array(b)), False ) assert_equal ( array(b) < 0, False ) def test_freqtobin(self): a = list(range(-20, 50000, 100)) + [ -1e32, 1e32 ] b = [ freqtobin(x, 44100, 512) for x in a ] #print zip(a, b) assert_equal ( isnan(array(b)), False ) assert_equal ( isinf(array(b)), False ) assert_equal ( array(b) < 0, False ) def test_bintofreq(self): a = list(range(-20, 148)) b = [ bintofreq(x, 44100, 512) for x in a ] #print zip(a, b) assert_equal ( isnan(array(b)), False ) assert_equal ( isinf(array(b)), False ) assert_equal ( array(b) < 0, False ) if __name__ == '__main__': main()