1# Copyright 2016 The TensorFlow Authors. All Rights Reserved. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14# ============================================================================== 15"""Keras built-in loss functions.""" 16 17from __future__ import absolute_import 18from __future__ import division 19from __future__ import print_function 20 21# Loss functions. 22from tensorflow.python.keras.losses import binary_crossentropy 23from tensorflow.python.keras.losses import categorical_crossentropy 24from tensorflow.python.keras.losses import categorical_hinge 25from tensorflow.python.keras.losses import cosine_similarity 26from tensorflow.python.keras.losses import hinge 27from tensorflow.python.keras.losses import kullback_leibler_divergence 28from tensorflow.python.keras.losses import logcosh 29from tensorflow.python.keras.losses import mean_absolute_error 30from tensorflow.python.keras.losses import mean_absolute_percentage_error 31from tensorflow.python.keras.losses import mean_squared_error 32from tensorflow.python.keras.losses import mean_squared_logarithmic_error 33from tensorflow.python.keras.losses import poisson 34from tensorflow.python.keras.losses import sparse_categorical_crossentropy 35from tensorflow.python.keras.losses import squared_hinge 36 37# Auxiliary utils. 38# pylint: disable=g-bad-import-order 39from tensorflow.python.keras.losses import deserialize 40from tensorflow.python.keras.losses import serialize 41from tensorflow.python.keras.losses import get 42 43del absolute_import 44del division 45del print_function 46