#   Copyright (c) 2020 PaddlePaddle Authors. 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.

# TODO: define loss functions of neural network  
# __all__ = ['bpr_loss',
#            'center_loss',
#            'cross_entropy',
#            'dice_loss',
#            'edit_distance',
#            'huber_loss',
#            'iou_similarity',
#            'kldiv_loss',
#            'log_loss',
#            'margin_rank_loss',
#            'mse_loss',
#            'nce',
#            'npair_loss',
#            'rank_loss',
#            'sampled_softmax_with_cross_entropy',
#            'sigmoid_cross_entropy_with_logits',
#            'sigmoid_focal_loss',
#            'smooth_l1',
#            'softmax_with_cross_entropy',
#            'square_error_cost',
#            'ssd_loss',
#            'teacher_student_sigmoid_loss']