新增MultiLabelMarginLoss by Qin-sx · Pull Request #73538 · PaddlePaddle/Paddle

@Qin-sx

	modified:   python/paddle/nn/__init__.py
	modified:   python/paddle/nn/functional/__init__.py
	modified:   python/paddle/nn/functional/loss.py
	modified:   python/paddle/nn/layer/__init__.py
	modified:   python/paddle/nn/layer/loss.py
	new file:   test/legacy_test/test_multilabelmarginloss.py

@Qin-sx

	modified:   test/legacy_test/CMakeLists.txt
	modified:   test/legacy_test/test_multilabelmarginloss.py

zhwesky2010

@Qin-sx

	modified:   python/paddle/nn/functional/loss.py

@Qin-sx

zhwesky2010

@Qin-sx

zhwesky2010