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1327f34 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | # Copyright 2025 The Scenic Authors.
#
# 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.
"""Constant value and types' definitions."""
from typing import Dict, Callable, Any, Tuple, Iterable
import jax.numpy as jnp
PyTree = Any
DType = jnp.dtype
JTensor = jnp.ndarray
JTensorDict = Dict[str, JTensor]
Batch = Dict[str, JTensor]
Shape = Iterable[int]
MetricFn = Callable[[JTensor, Batch], Dict[str, Tuple[float, int]]]
LossFn = Callable[[JTensorDict, Batch], Dict[str, float]]
Initializer = Callable[[JTensor, Shape, DType], JTensor]
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