# pylint: disable=g-bad-file-header
# Copyright 2021 DeepMind Technologies Limited. All Rights Reserved.
#
# 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.
# ============================================================================
"""Sweeps for K-nearest neighbors agent."""

from typing import Sequence

from neural_testbed.agents.factories import base as factories_base
from neural_testbed.agents.factories import knn


def knn_sweep() -> Sequence[knn.KnnConfig]:
  sweep = []
  for num_neighbors in [1, 5, 10, 30, 50, 100]:
    for weighting in ['uniform', 'distance']:
      sweep.append(knn.KnnConfig(num_neighbors, weighting))
  return tuple(sweep)


def paper_agent() -> factories_base.PaperAgent:
  return factories_base.PaperAgent(
      default=knn.KnnConfig(),
      ctor=knn.make_agent,
      sweep=knn_sweep,
  )
