29 lines
688 B
Python
29 lines
688 B
Python
"""Module for PINA Torch Optimizer"""
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import torch
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from ..utils import check_consistency
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from .optimizer_interface import Optimizer
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class TorchOptimizer(Optimizer):
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def __init__(self, optimizer_class, **kwargs):
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check_consistency(optimizer_class, torch.optim.Optimizer, subclass=True)
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self.optimizer_class = optimizer_class
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self.kwargs = kwargs
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self._optimizer_instance = None
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def hook(self, parameters):
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self._optimizer_instance = self.optimizer_class(
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parameters, **self.kwargs
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)
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@property
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def instance(self):
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"""
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Optimizer instance.
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"""
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return self._optimizer_instance
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