#!/usr/bin/env python3
#
# Copyright 2023 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

import numpy as np
import scipy.signal as signal

b, a = signal.butter(2, 1. / 60)
print(('a:' + ' {:17.10e}' * 2).format(*a[1:]))
print(('b:' + ' {:17.10e}' * 3).format(*b))