# SPDX-License-Identifier: MPL-2.0
# Copyright (C) 2020- The University of Tokyo
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
import numpy as np
[docs]
class zero:
"""zero"""
def __init__(self):
self.num_params = 0
self.params = np.array([])
[docs]
def get_mean(self, num_data, params=None):
"""
Returning numpy.zeros(num_data)
Parameters
----------
num_data: int
dimension of numpy.zeros
params: object
not used
Returns
-------
numpy.ndarray
"""
return np.zeros(num_data)
[docs]
def get_grad(self, num_data, params=None):
"""
Returning empty numpy.ndarray
Parameters
----------
num_data: int
not used
params: object
not used
Returns
-------
numpy.ndarray
"""
return np.array([])
[docs]
def set_params(self, params):
"""
Not defined
Parameters
----------
params
Returns
-------
"""
pass