Add EPSILON to amp for numerical stability for division (#907) #3699

Job	Run time
code-quality	4m 0s
docs	4m 50s
build (ubuntu-latest, 3.8, 1.10.15)	38m 56s
build (ubuntu-latest, 3.8, 2.7.1)	39m 8s
licenses	52s
optional_dependencies (default)	54s
build (ubuntu-latest, 3.9, 1.10.15)	38m 55s
optional_dependencies (tensorflow)	1m 23s
optional_dependencies (torch)	2m 10s
build (ubuntu-latest, 3.9, 2.7.1)	39m 5s
optional_dependencies (prophet)	1m 1s
build (ubuntu-latest, 3.10, 1.10.15)	39m 13s
optional_dependencies (keops)	2m 8s
build (ubuntu-latest, 3.10, 2.7.1)	39m 8s
optional_dependencies (all)	2m 47s
build (ubuntu-latest, 3.11, 1.10.15)	39m 8s
build (ubuntu-latest, 3.11, 2.7.1)	38m 51s
build (windows-latest, 3.10, 1.10.15)	39m 3s
build (windows-latest, 3.10, 2.7.1)	39m 4s
	6h 50m 36s

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