code: def testRegression(self):
      # Checks whether the windows are as expected
      inputSize = 1024
      input = [1] * inputSize
  
      # cannot use reference file as we use a different formula than others.
      # Essentia uses 0.53836 instead of 0.54 and 0.46164 instead of 0.46
      expected = self.normalize(hamming(inputSize))
      output = Windowing(
          size=inputSize, zeroPadding=0, type="hamming", zeroPhase=False
      )(input)
      self.assertAlmostEqualVector(expected, output, 1e-6)
  
      expected = self.normalize(hann(inputSize))
      output = Windowing(
          size=inputSize, zeroPadding=0, type="hann", zeroPhase=False
      )(input)
      self.assertAlmostEqualVector(expected, output, 1e-6)
  
      expected = self.normalize(triangular(inputSize))
      output = Windowing(
          size=inputSize,
          zeroPadding=0,
          type="triangular",
          zeroPhase=False,
      )(input)
      self.assertAlmostEqualVector(expected, output, 1e-6)
  
      expected = self.normalize(ones(inputSize))
      output = Windowing(
          size=inputSize, zeroPadding=0, type="square", zeroPhase=False
      )(input)
      self.assertAlmostEqualVector(expected, output)
  
      expected = self.normalize(
          readVector(
              join(testdir, str(inputSize), "blackmanharris62.txt")
          )
      )
      output = Windowing(
          size=inputSize,
          zeroPadding=0,
          type="blackmanharris62",
          zeroPhase=False,
      )(input)
      self.assertAlmostEqualVector(expected, output, 1e-5)
  
      expected = self.normalize(
          readVector(
              join(testdir, str(inputSize), "blackmanharris70.txt")
          )
      )
      output = Windowing(
          size=inputSize,
          zeroPadding=0,
          type="blackmanharris70",
          zeroPhase=False,
      )(input)
      self.assertAlmostEqualVector(expected, output, 1e-5)
  
      expected = self.normalize(
          readVector(
              join(testdir, str(inputSize), "blackmanharris74.txt")
          )
      )
      output = Windowing(
          size=inputSize,
          zeroPadding=0,
          type="blackmanharris74",
          zeroPhase=False,
      )(input)
      self.assertAlmostEqualVector(expected, output, 1e-5)
  
      expected = self.normalize(
          readVector(
              join(testdir, str(inputSize), "blackmanharris92.txt")
          )
      )
      output = Windowing(
          size=inputSize,
          zeroPadding=0,
          type="blackmanharris92",
          zeroPhase=False,
      )(input)
      self.assertAlmostEqualVector(expected, output, 1e-3)
  
file_path: essentia/test/src/unittests/standard/test_windowing.py
imports: from essentia_test import *
  import math
label_desc: Use image node_id 5 for calling the TestWindowing obj's underlying member method code with example usage: obj.testRegression() without return types