code: def coarseMaximum(arr, shape):
      '''
      return an array of [shape]
      where every cell equals the localised maximum of the given array [arr]
      at the same (scalled) position
      '''
      ss0, ss1 = shape
      s0, s1 = arr.shape
  
      pos0 = linspace2(0, s0, ss0, dtype=int)
      pos1 = linspace2(0, s1, ss1, dtype=int)
  
      k0 = pos0[0]
      k1 = pos1[0]
  
      out = np.empty(shape, dtype=arr.dtype)
      _calc(arr, out, pos0, pos1, k0, k1, ss0, ss1)
      return ouf coarseMaximum(arr, shape):
      '''
      return an array of [shape]
      where every cell equals the localised maximum of the given array [arr]
      at the same (scalled) position
      '''
      ss0, ss1 = shape
      s0, s1 = arr.shape
  
      pos0 = linspace2(0, s0, ss0, dtype=int)
      pos1 = linspace2(0, s1, ss1, dtype=int)
  
      k0 = pos0[0]
      k1 = pos1[0]
  
      out = np.empty(shape, dtype=arr.dtype)
      _calc(arr, out, pos0, pos1, k0, k1, ss0, ss1)
      return out
docs: return an array of [shape]
      where every cell equals the localised maximum of the given array [arr]
      at the same (scalled) position